Order	Species name in original reference	Species according to Wilson & Reader 2005 - Mammal species of the World	Neonatal brain size (g)	Reference	Neonatal body mass (g)	Reference 	Maternal body mass (g)	Reference	Gestation length (days)	Reference	Litter Size (N)	Reference	Placental invasiveness	Reference	Placental interdigitation	Reference	Developmental state	Reference
Afrosoricida	Hemicentetes semispinosus	Hemicentetes_semispinosus	0.67	Bauchot & Stephan 1966	29.95	Bauchot & Stephan 1966	113.25	Jones et al. 2009	51.912	Jones et al. 2009	4.45	Jones et al. 2009	hemo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al. 1993
Artiodactyla	Axis axis	Axis_axis	78.6	Sacher & Staffeldt 1974	4170	Sacher & Staffeldt 1974	50000	Jones et al. 2009	235.183	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Bos grunniens	Bos_grunniens	187	Sacher & Staffeldt 1974	18000	Sacher & Staffeldt 1974	306000	Jones et al. 2009	273.41	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Bos taurus	Bos_taurus	203	Crile & Quiring 1940	28366.67	Leitch et al. 1959	483502	"Crile & Quiring 1940, Leitch et al 1959"	282	Findlay 1981	1	Leitch et al. 1959	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Capra hircus	Capra_hircus	45.53	"Warncke 1908, Anthony 1928"	1307.6	"Warncke 1908, Anthony 1928"	23333.33333	Jones et al. 2009	154.748	Jones et al. 2009	1.25	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Capreolus capreolus	Capreolus_capreolus	34.32	Mangold-Wirz 1966	1142	Jones et al. 2009	24650	Jones et al. 2009	150.1	"Andersen et al 1998, Hayssen et al. 1993, Sempere et al 1996"	2	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Cephalophus dorsalis	Cephalophus_dorsalis	39.1	Sacher & Staffeldt 1974	790	Sacher & Staffeldt 1974	11600	Silva & Downing 1995	245.86	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Cervus elaphus	Cervus_elaphus	156	"Hrdlicka 1905, Anthony 1928"	9703.5	"Hrdlicka 1905, Anthony 1928"	203625	Jones et al. 2009	242.954	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Cervus nippon	Cervus_nippon	86.27	Mangold-Wirz 1966	4337.5	Jones et al. 2009	28640	Jones et al. 2009	224.476	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Rusa hippelaphus	Cervus_timorensis	126.36	"Warncke 1908, Mangold-Wirz 1966"	7500	Benirschke - website comparative placentation	53000	Jones et al. 2009	250.617	Jones et al. 2009	1	Ernest 2001	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Cervus unicolor	Cervus_unicolor	96	missing citation in Sacher & Staffeldt 1974	10270	Jones et al. 2009	146000	Jones et al. 2009	246.24	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Dama dama	Dama_dama	91.65	Mangold-Wirz 1966	4789.58	Jones et al. 2009	40766.66667	Jones et al. 2009	229.689	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Artiodactyla	Elaphurus davidianus	Elaphurus_davidianus	177	Rowlands pers comm in Sacher & Staffeldt 1974	10960	Jones et al. 2009	130500	Jones et al. 2009	290.991	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Hemitragus jemlahicus	Hemitragus_jemlahicus	83	Mangold-Wirz 1966	2700	Jones et al. 2009	45000	Jones et al. 2009	189.375	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Hexaprotodon liberiensis	Hexaprotodon_liberiensis	90	Sacher & Staffeldt 1974	6600	Sacher & Staffeldt 1974	217800	Jones et al. 2009	210.422	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Hippopotamus amphibius	Hippopotamus_amphibius	195	Fox 1923 in Sacher & Staffeldt 1974	39722.31	Jones et al. 2009	1349750	Jones et al. 2009	233.23	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Hydropotes inermis	Hydropotes_inermis	20.38	Mangold-Wirz 1966	1042.5	Jones et al. 2009	12220	Jones et al. 2009	175.5	Price & Gittleman 2007	2.25	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Lama glama	Lama_glama	164.45	"Warncke 1908, Mangold-Wirz 1966"	12000	Jones et al. 2009	103000	Wurzinger et al. 2005	334.1	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Muntiacus muntjak	Muntiacus_muntjak	50	Anthony 1928	1240	Anthony 1928	15000	Jones et al. 2009	184.675	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Ovis aries	Ovis_aries	43.65	Warncke 1908	2412.5	Jones et al. 2009	33100	Jones et al. 2009	151.31	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Ovis dalli	Ovis_dalli	92.5	Sacher & Staffeldt 1974	3220	Sacher & Staffeldt 1974	49066.66667	Jones et al. 2009	170.097	Jones et al. 2009	1	Jones et al. 2009	epi	Goodrowe et al. 1998	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Rangifer tarandus	Rangifer_tarandus	105	Anthony 1928	3760	Anthony 1928	93266.66667	Jones et al. 2009	217.972	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Sus scrofa (wild boar)	Sus_scrofa	26.6	Sacher & Staffeldt 1974	1030	Sacher & Staffeldt 1974	75200	Silva & Downing 1995	118.29	Jones et al. 2009	5.375	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Taurotragus oryx	Taurotragus_oryx	252	Treus & Kravchenko 1968 in Sacher & Staffeldt 1974	32650	Jones et al. 2009	422600	Jones et al. 2009	259.982	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Artiodactyla	Vicugna vicugna	Vicugna_vicugna	104	Rowlands pers comm in Sacher & Staffeldt 1974	5925	Jones et al. 2009	37500	PerezBarberia & Gordon 2000	345.5	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Carnivora	Callorhinus ursinus	Callorhinus_ursinus	198	Scheffer 1960	4410	Scheffer 1960	42187.5	Jones et al. 2009	246.8	"Bininda Emonds & Gittleman 2000, Hayssen et al 1993, Boness et al 2002"	1	Jones et al. 2009	endo	Benirschke - website comparative placentation	Labyrinthine	Benirschke - website comparative placentation	precocial	Hayssen et al. 1993
Carnivora	Canis lupus	Canis_lupus	35.4	Warncke 1908	610	Warncke 1908	31100	Jones et al. 2009	64.171	Jones et al. 2009	4.75	Jones et al. 2009	endo	Mossman 1987	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	altricial	Hayssen et al. 1993
Carnivora	Felis catus	Felis_silvestris	5.65	Ziehen in Warncke 1908 & in Anthony 1928	105.25	"Leitch et al. 1959, Nowak 1999"	3150	"Crile & Quiring 1940, Leitch et al 1959, Silva & Downing 1995"	64	"Sacher & Staffeldt 1974, Nowak 1999"	4	"Leitch et al. 1959, Nowak 1999"	endo	Mossman 1987	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	altricial	BinidaEmonds & Gittleman 2000
Carnivora	Otocyon megalotis	Otocyon_megalotis	7.11	Sacher & Staffeldt 1974	123	Sacher & Staffeldt 1974	4073.75	Jones et al. 2009	68.125	Jones et al. 2009	4.5	Jones et al. 2009	endo	Mossman 1987	-		-	-
Carnivora	Panthera leo	Panthera_leo	49.5	Warncke 1908	1383.9	Jones et al. 2009	135500	Jones et al. 2009	108.09	Jones et al. 2009	2	Jones et al. 2009	endo	Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	altricial	Hayssen et al 1993
Carnivora	Panthera pardus	Panthera_pardus	28.5	"Warncke 1908, Mangold-Wirz 1966"	425.38	Jones et al. 2009	39300	Jones et al. 2009	94.229	Jones et al. 2009	1.67	Jones et al. 2009	endo	Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	altricial	Hayssen et al 1993
Carnivora	Panthera tigris	Panthera_tigris	30.69	"Warncke 1908, Mangold-Wirz 1966"	1293.72	Jones et al. 2009	131000	Jones et al. 2009	105.373	Jones et al. 2009	2.14	Jones et al. 2009	endo	Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	altricial	Hayssen et al 1993
Carnivora	Phoca groenlandica	Phoca_groenlandica	243	Sacher & Staffeldt 1974	8960	Jones et al. 2009	129500	Jones et al. 2009	225	Hayssen et al 1993	1	Hayssen et al 1993	endo	Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Carnivora	Procyon lotor	Procyon_lotor	4.8	Anthony 1928	97.5	Anthony 1928	6320	Jones et al. 2009	64.025	Jones et al. 2009	2.89	Jones et al. 2009	endo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Carnivora	Taxidea taxus	Taxidea_taxus	3.34	Welker pers comm in Sacher & Staffeldt 1974	100.9	Jones et al. 2009	6385	Jones et al. 2009	50.67	Hayssen et al 1993	4	Jones et al. 2009	endo	Hamlett 1932	Labyrinthine	Hamlett32	altricial	Nowak 1999
Carnivora	Ursus americanus	Ursus_americanus	6.42	Mangold-Wirz 1966	288.07	Jones et al. 2009	97000	Jones et al. 2009	91	"BinindaEmonds & Gittleman 2000, Bininda Emonds et al 2001"	2.54	Ernest 2001	endo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Carnivora	Ursus arctos	Ursus_arctos	7	Anthony 1928	361	Anthony 1928	111857.14	Jones et al. 2009	63	"BinindaEmonds & Gittleman 2000, Bininda Emonds et al 2001"	2.3	Jones et al. 2009	endo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Carnivora	Thalarctos maritimus	Ursus_maritimus	11.09	Mangold-Wirz 1966	668.01	Jones et al. 2009	272500	Jones et al. 2009	62	"BinindaEmonds & Gittleman 2000, Bininda Emonds et al 2001"	1.33	Jones et al. 2009	endo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Nowak 1999
Carnivora	Vulpes vulpes	Vulpes_vulpes	3.82	Mangold-Wirz 1966	103.06267	Jones et al. 2009	3900	Jones et al. 2009	52.421	Jones et al. 2009	4.875	Jones et al. 2009	endo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Carnivora	Zalophus californianus	Zalophus_californianus	180	Sacher & Staffeldt 1974	6000	Sacher & Staffeldt 1974	95666.66667	Jones et al. 2009	195.5	"BinindaEmonds & Gittleman 2000, Bininda Emonds et al 2001"	1	Jones et al. 2009	endo	Benirschke - website comparative placentation	Labyrinthine	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Cetacea	Orcinus orca	Orcinus_orca	2997	Ridgway & Brownson 1984	153000	Ridgway & Browns 1984	5443200	Jones et al. 2009	442.93	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Cetacea	Phocoena phocoena	Phocoena_phocoena	199	Weber in Anthony 1928	8033.33	Jones et al. 2009	65420	"Leitch et al 1959, Silva & Downing 1995, Boness et al 2002"	327.98	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987	Villous	Mossman 1987	precocial	Hayssen et al 1993
Cetacea	Tursiops truncatus	Tursiops_truncatus	770	Lilly 1967 in Sacher & Staffeldt 1974	18057.14	Jones et al. 2009	165400	"Silva & Downing 1995, Boness et al 2002"	368.257	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987	Villous	Mossman 1987	precocial	Hayssen et al 1993
Chiroptera	Pteropus giganteus	Pteropus_giganteus	4.4	Mangold-Wirz 1966	45	DeMagalhaes et al 2005	900	Wilkinson & South 2002	169.645	Jones et al. 2009	1	Wilkinson & South 2002	hemo	Badwaik & Rasweiler 2000; Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Hyracoidea	Procavia capensis	Procavia_capensis	7.75	Mangold-Wirz 1966	223.77	Jones et al. 2009	3600	Jones et al. 2009	225.059	Jones et al. 2009	2.65	Jones et al. 2009	hemo	Mossman 1987; Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Lagomorpha	Lepus europaeus	Lepus_europaeus	4.51	Mangold-Wirz 1966	123.88	Jones et al. 2009	3750	Jones et al. 2009	42	Jones et al. 2009	2	Jones et al. 2009	hemo	Strauss 1957	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Lagomorpha	Oryctolagus cuniculus	Oryctolagus_cuniculus	1.365	Anthony 1928	39.35	Anthony 1928	1438.5	Jones et al. 2009	30.767	Jones et al. 2009	4.56	Jones et al. 2009	hemo	Mossman 1987; Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	altricial	Hayssen et al 1993
Lypothyphla	Erinaceus europaeus	Erinaceus_europaeus	0.313	Mangold-Wirz 1966	15.708	Jones et al. 2009	776.385	Jones et al. 2009	35.676	Jones et al. 2009	3.8	Jones et al. 2009	hemo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Lypothyphla	Talpa europaea	Talpa_europaea	0.086	Mangold-Wirz 1966	3.33	Jones et al. 2009	75.64	Jones et al. 2009	30.691	Jones et al. 2009	3	Jones et al. 2009	endo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Macroscelidea	Elephantulus intufi	Elephantulus_intufi	0.673	Sacher & Staffeldt 1974	10.5	Sacher & Staffeldt 1974	57	Jones et al. 2009	51	Jones et al. 2009	1	Jones et al. 2009	hemo	citations in Carter et al. 2004	Labyrinthine	Mossman 1987	precocial	Hayssen et al 1993
Macroscelidea	Elephantulus myurus	Elephantulus_myurus	0.58	Sacher & Staffeldt 1974	9	Sacher & Staffeldt 1974	62.825	Jones et al. 2009	52.75	Jones et al. 2009	1.33	Jones et al. 2009	hemo	citations in Carter et al. 2004	Labyrinthine	Mossman 1987	precocial	Hayssen et al 1993
Perissodactyla	Equus asinus	Equus_asinus	252.38	Mangold-Wirz 1966	29250	Jones et al. 2009	191133	"Crile & Quiring 1940, Kruska 1973, Henry et al. 1987"	359.1	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Perissodactyla	Hippotigris zebra	Equus_zebra	369.59	Mangold-Wirz 1966	30000	Jones et al. 2009	248100	Jones et al. 2009	327.6	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Perissodactyla	Tapirus indicus	Tapirus_indicus	131.19	Mangold-Wirz 1966	6650	Jones et al. 2009	225000	Sacher & Staffeldt 1974	384.563	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Alouatta palliata	Alouatta_palliata	30.8	Leutenegger 1970 in Sacher & Staffeldt 1974	363.875	Jones et al. 2009	5499.14286	Jones et al. 2009	186.2	Jones et al. 2009	1	Ernest 2001	hemo	Gruenwald 1973	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Ateles geoffroyi	Ateles_geoffroyi	63.95	Schultz 1941	512	Schultz 1941	7653	Jones et al. 2009	221.6	Jones et al. 2009	1	Ernest 2001	hemo	Mossman 1987	Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Callithrix jacchus	Callithrix jacchus	3.63	Mano et al. 1987	28.2	Mano et al. 1987	301.33333	Jones et al. 2009	144.737	Jones et al. 2009	2	Jones et al. 2009	hemo	Mossman 1987	Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Callithrix geoffroyi	Callithrix_geoffroyi	3.7	Sacher & Staffeldt 1974	35.3	Sacher & Staffeldt 1974	274.5	Jones et al. 2009	145	Sacher & Staffeldt 1974	2	Sacher & Staffeldt 1974	hemo		Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Cebus albifrons	Cebus_albifrons	33.65	Elias 1977	232.9	Elias 1977	2133.66667	Jones et al. 2009	155	Jones et al. 2009	1	Jones et al. 2009	hemo	Benirschke - website comparative placentation	Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Cebus apella	Cebus_apella	35.7	De Silva pers. comm.	219.8	De Silva pers. comm.	2491.2	Jones et al. 2009	155.166	Jones et al. 2009	1.33	Jones et al. 2009	hemo	Gruenwald 1973	Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Cebus capucinus	Cebus_capucinus	29	Leutenegger 1970 in Sacher & Staffeldt 1974	239.67	Jones et al. 2009	2783.5	Jones et al. 2009	162	Jones et al. 2009	1	Ernest 2001	hemo		Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Cercocebus atys	Cercocebus_torquatus	57.48	De Silva & Lesnik 2006	474.7	De Silva & Lesnik 2006	6200	Smith & Jungers 1997 	167.3	Jones et al. 2009	-	-	hemo	Houston & Hendrickx 1975	-		precocial	Hayssen et al 1993
Primates	Cercopithecus aethiops	Chlorocebus_aethiops	33.5	Crisp 1875 in Sacher & Staffeldt 1974	356.65	Jones et al. 2009	3161.28571	Jones et al. 2009	168.832	Jones et al. 2009	1	Ernest 2001	hemo	Gruenwald 1973; Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Colobus polykomos	Colobus_polykomos	38	Sacher & Staffeldt 1974	340	Sacher & Staffeldt 1974	7790.5	Jones et al. 2009	179.88	Jones et al. 2009	1	Jones et al. 2009	hemo	Gruenwald 1973; Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Eulemur fulvus	Eulemur_fulvus	10.7	Roberts 1994	73.375	Jones et al. 2009	2276.42857	Jones et al. 2009	120.014	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke & Miller 1982	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Galago senegalensis	Galago_senegalensis	2.3	Roberts 1994	13.58	Jones et al. 2009	199.25	Jones et al. 2009	127.583	Jones et al. 2009	1	Jones et al. 2009	epi	"Mossman 1987, Njogu et al. 2006"	Villous	Mossman 1987	precocial	Hayssen et al 1993
Primates	Galago demidoff	Galagoides_demidoff	1.2	Roberts 1994	11.58	Jones et al. 2009	78.25	Jones et al. 2009	98.546	Jones et al. 2009	1.57	Ernest 2001	epi	Mossman 1987	Villous	Mossman 1987	precocial	Hayssen et al 1993
Primates	Gorilla gorilla	Gorilla_gorilla	289	Mangold-Wirz 1966	2072	Jones et al. 2009	89113.46154	Jones et al. 2009	257.116	Jones et al. 2009	1	Jones et al. 2009	hemo	Mossman 1987; Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Homo sapiens	Homo_sapiens	300	Anthony 1928	3320.78	Jones et al. 2009	55040	Jones et al. 2009	275.322	Jones et al. 2009	1	Ernest 2001	hemo	Mossman 1987	Villous	Mossman 1987	precocial	Hayssen et al 1993
Primates	Hylobates lar	Hylobates_lar	65	Schultz 1944 in Sacher & Staffeldt 1974	354.75	Jones et al. 2009	5341	Jones et al. 2009	211.911	Jones et al. 2009	1	Jones et al. 2009	hemo	Gruenwald 1973	-		precocial	Hayssen et al 1993
Primates	Lemur catta	Lemur_catta	8.78	Sacher & Staffeldt 1974	78	Sacher & Staffeldt 1974	2333.33333	Jones et al. 2009	131.857	Jones et al. 2009	1.167	Jones et al. 2009	epi	Benirschke & Miller 1982	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Loris tardigradus	Loris_tardigradus	2.7	Roberts 1994	10.8	Jones et al. 2009	224.25	Jones et al. 2009	166.575	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987	Villous	Mossman 1987	precocial	Hayssen et al 1993
Primates	Macaca fuscata	Macaca_fuscata	68.58	De Silva pers. comm.	625.7	De Silva pers. comm.	8671.66667	Jones et al. 2009	174.362	Jones et al. 2009	1.5	Jones et al. 2009	hemo	"Gruenwald 1973, Benirschke & Miller 1982"	Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Macaca maurus	Macaca_maura	32	Hulshoff in Anthony 1928	389.5	Jones et al. 2009	5716.66667	Jones et al. 2009	169.25	Jones et al. 2009	1	Ernest 2001	hemo	"Gruenwald 1973, Benirschke & Miller 1982"	Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Macaca mulatta	Macaca_mulatta	45.5	"Mangold-Wirz 1966, Sacher & Staffeldt 1974"	475.61	Jones et al. 2009	6526.11111	Jones et al. 2009	164.18	Jones et al. 2009	1	Jones et al. 2009	hemo	Mossman 1987	Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Macaca nemestrina	Macaca_nemestrina	61.82	De Silva & Lesnik 2006	468.2	De Silva & Lesnik 2006	6610.14286	Jones et al. 2009	170.25	Jones et al. 2009	1	Jones et al. 2009	hemo	Gruenwald 1973	Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Nycticebus coucang	Nycticebus_coucang	4	Welker pers comm in Sacher & Staffeldt 1974	49.73	Jones et al. 2009	773	Jones et al. 2009	190.362	Jones et al. 2009	1	Jones et al. 2009	epi	Benirschke - website comparative placentation	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Otolemur crassicaudatus	Otolemur_crassicaudatus	4	Roberts 1994	47.92	Jones et al. 2009	1172	Jones et al. 2009	131.341	Jones et al. 2009	1.14	Jones et al. 2009	epi	Mossman 1987	Villous	Mossman 1987	precocial	Hayssen et al 1993
Primates	Galago galago	Otolemur_garnettii	4	Warncke 1908	40	Warncke 1908	728.75	Jones et al. 2009	132.175	Jones et al. 2009	1	Jones et al. 2009	epi	Mossman 1987	Villous	Mossman 1987	precocial	Hayssen et al 1993
Primates	Pan paniscus	Pan_paniscus	154.89	De Silva pers. comm.	1540	De Silva pers. comm.	31940	Jones et al. 2009	233.333	Jones et al. 2009	1	Jones et al. 2009	hemo	Benirschke - website comparative placentation	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Pan troglodytes	Pan_troglodytes	153.28	De Silva & Lesnik 2006	1528.3	De Silva & Lesnik 2006	39036.36364	Jones et al. 2009	226.833	Jones et al. 2009	1.67	Jones et al. 2009	hemo	Gruenwald 1973	Villous	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Papio hamadryas	Papio_hamadryas	77.27	Mangold-Wirz 1966	831.58	Jones et al. 2009	10650	Smith & Jungers 1997 	179.254	Jones et al. 2009	1	Jones et al. 2009	hemo	Benirschke & Miller 1982	Villous	Mossman 1987	precocial	Hayssen et al 1993
Primates	Pongo pygmaeus	Pongo_pygmaeus	168.75	Mangold-Wirz 1966	1601.94444	Jones et al. 2009	37797.55556	Jones et al. 2009	255.216	Jones et al. 2009	1.5	Jones et al. 2009	hemo	Gruenwald 1973	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Saimiri sciureus	Saimiri_sciureus	15.24	"Elias 1977, De Silva & Lesnik 2006"	153.49	"Elias 1977, De Silva & Lesnik 2006"	703.57143	Jones et al. 2009	166.797	Jones et al. 2009	1	Jones et al. 2009	hemo	"Gruenwald 1973, Benirschke & Miller 1982"	Trabecular	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Primates	Tarsius bancanus	Tarsius_bancanus	2.1	Roberts 1994	25.37	Jones et al. 2009	279.48333	Jones et al. 2009	142.8	Jones et al. 2009		Jones et al. 2009	hemo	Mossman 1987	Trabecular	Mossman 1987	precocial	Hayssen et al 1993
Primates	Tarsius spectrum	Tarsius_spectrum	3.4	Griner pers. comm. in Sacher 1982	25.03	Jones et al. 2009	148.8	Jones et al. 2009	178.375	Jones et al. 2009	1	Jones et al. 2009	hemo	Mossman 1987	Trabecular	Mossman 1987	precocial	Hayssen et al 1993
Primates	Varecia variegata	Varecia_variegata	10.6	Roberts 1994	91.92	Jones et al. 2009	3390.16667	Jones et al. 2009	107.325	Jones et al. 2009	2.2	Jones et al. 2009	epi	Benirschke & Miller 1982	Villous	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Proboscidea	Elephas indicus	Elephas_maximus	1572	Mangold-Wirz 1966	99427.77778	Jones et al. 2009	2663333.333	Jones et al. 2009	627.978	Jones et al. 2009	1.2	Jones et al. 2009	endo	Carter et al. 2004; Mossman 1987; Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Proboscidea	Loxodonta africana	Loxodonta_africana	1650	Laws pers comm in Sacher & Staffeldt 1974	103448.5714	Jones et al. 2009	2727333.333	Jones et al. 2009	654.028	Jones et al. 2009	1	Jones et al. 2009	endo	Carter et al. 2004; Mossman 1987; Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Rodentia	Castor canadensis	Castor_canadensis	13.9	Welker pers comm in Sacher & Staffeldt 1974	419.075	Jones et al. 2009	13000	Jones et al. 2009	110	Jones et al. 2009	3.75	Jones et al. 2009	hemo	Mossman 1987; Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Rodentia	Castor castor	Castor_fiber	13.85	Mangold-Wirz 1966	566.75	Jones et al. 2009	20100	Jones et al. 2009	105.25	Jones et al. 2009	1	Jones et al. 2009	hemo	Mossman 1987; Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Rodentia	Cavia porcellus	Cavia_porcellus	2.52	Dobbing & Sands 1970 in Sacher & Staffeldt 1974	81.42	Jones et al. 2009	592	Leitch et al 1959	64.625	Jones et al. 2009	3	Jones et al. 2009	hemo	Mossman 1987; Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Rodentia	Chinchilla lanigera	Chinchilla_lanigera	2.03	Sacher & Staffeldt 1974	28	Sacher & Staffeldt 1974	800	Jones et al. 2009	111	Jones et al. 2009	1.6	Jones et al. 2009	hemo	Mossman 1987; Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Rodentia	Dasyprocta aguti	Dasyprocta_leporina	7.73	Mangold-Wirz 1966	165	Sacher & Staffeldt 1974	3830	Silva & Downing 1995	112	Jones et al. 2009	1	Jones et al. 2009	hemo	Miglino et al. 2004	Labyrinthine	Mossman 1987	precocial	Hayssen et al 1993
Rodentia	Erethizon dorsatum	Erethizon_dorsatum	10	Sacher & Staffeldt 1974	480	Sacher & Staffeldt 1974	6818.44444	Jones et al. 2009	201.761	Jones et al. 2009	1	Jones et al. 2009	hemo	Mossman 1987	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Rodentia	Glaucomys volans	Glaucomys_volans	0.234	Sacher & Staffeldt 1974	3.8	Sacher & Staffeldt 1974	79.1	Jones et al. 2009	39.75	Jones et al. 2009	3.06	Jones et al. 2009	hemo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Rodentia	Hydrochoerus hydrochaeris	Hydrochoeris_hydrochaeris	24.84	Mangold-Wirz 1966	5537.5	Jones et al. 2009	41204	Jones et al. 2009	132.75	Jones et al. 2009	3.57	Jones et al. 2009	hemo	Benirschke - website comparative placentation	Labyrinthine	Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Rodentia	Hystrix cristata	Hystrix_cristata	11.3	Anthony 1928	1000	Ernest 2003	13800	Jones et al. 2009	56	Jones et al. 2009	3	Jones et al. 2009	hemo	Luckett & Mossman 1981	Labyrinthine	Mossman 1987	precocial	Hayssen et al 1993
Rodentia	Marmota marmota	Marmota_marmota	1.73	Mangold-Wirz 1966	29.75	Jones et al. 2009	4225	Jones et al. 2009	35.625	Jones et al. 2009	3	Jones et al. 2009	hemo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Rodentia	Mesocricetus auratus	Mesocricetus_auratus	0.06	Sacher & Staffeldt 1974	1.8	Sacher & Staffeldt 1974	76	Jones et al. 2009	15.5	Jones et al. 2009	8.71	Jones et al. 2009	hemo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Rodentia	Mus musculus	Mus_musculus	0.055	Mangold-Wirz 1966	1.16	Jones et al. 2009	16.7	Silva & Downing 1995	20.9	Jones et al. 2009	6	Jones et al. 2009	hemo	Mossman 1987	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	altricial	Hayssen et al 1993
Rodentia	Myocastor coypus	Myocastor_coypus	5.71	Mangold-Wirz 1966	201.38	Jones et al. 2009	5877.25	Jones et al. 2009	131.944	Jones et al. 2009	5	Jones et al. 2009	hemo	Mossman 1987	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993
Rodentia	Peromyscus gossypinus	Peromyscus_gossypinus	0.149	Sacher & Staffeldt 1974	2.45	Sacher & Staffeldt 1974	27.4	Jones et al. 2009	22.866	Jones et al. 2009	3	Jones et al. 2009	hemo	King & Hastings 1977	Labyrinthine	Mess 2003	altricial	Hayssen et al 1993
Rodentia	Peromyscus leucopus	Peromyscus_leucopus	0.113	Sacher & Staffeldt 1974	2.27	Sacher & Staffeldt 1974	17.675	Jones et al. 2009	25.445	Jones et al. 2009	3.79	Jones et al. 2009	hemo	King & Hastings 1977	Labyrinthine	Mess 2003	altricial	Hayssen et al 1993
Rodentia	Peromyscus maniculatus	Peromyscus_maniculatus	0.119	Sacher & Staffeldt 1974	1.83	Jones et al. 2009	19.11625	Jones et al. 2009	24.91	Jones et al. 2009	4.58	Jones et al. 2009	hemo	King & Hastings 1977	Labyrinthine	Mess 2003	altricial	Hayssen et al 1993
Rodentia	Rattus norvegicus	Rattus_norvegicus	0.27	Mangold-Wirz 1966	5.974	Jones et al. 2009	247.7	Jones et al. 2009	21.875	Jones et al. 2009	9	Jones et al. 2009	hemo	Mossman 1987; Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	altricial	Hayssen et al 1993
Rodentia	Sciurus vulgaris	Sciurus_vulgaris	0.623	Mangold-Wirz 1966	9.14	Jones et al. 2009	376	Jones et al. 2009	37.576	Jones et al. 2009	4	Jones et al. 2009	hemo	Mossman 1987	Labyrinthine	Mossman 1987	altricial	Hayssen et al 1993
Scandentia	Tupaia glis	Tupaia_glis	0.53	Sacher & Staffeldt 1974	9.2	Sacher & Staffeldt 1974	147.5	Jones et al. 2009	45.407	Jones et al. 2009	2.33	Jones et al. 2009	endo	Benirschke - website comparative placentation	Labyrinthine	Mossman 1987; Benirschke - website comparative placentation	altricial	Hayssen et al 1993
Xenarthra	Dasypus novemcinctus	Dasypus_novemcinctus	3.5	Storrs & Williams 1968	80	Storrs & Williams 1968	5700	Jones et al. 2009	128.4	Hayssen et al 1993	4	Jones et al. 2009	hemo	Mossman 1987; Benirschke - website comparative placentation	Trabecular	Mossman 1987; Benirschke - website comparative placentation	precocial	Hayssen et al 1993