MammalBase - Accepted taxon: Hexaprotodon liberiensis

Accepted taxon: Hexaprotodon liberiensis
Taxon:	Hexaprotodon liberiensis
Rank:	Species
Higher Classification:	ARTIODACTYLA \| Hippopotamidae \| Hexaprotodon
Reference:	Wilson, Don E., and DeeAnn M. Reeder, eds. Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed), JHU Press, 2005.

Fig.1 - Ternary plot of the proximate analysis for the Hexaprotodon liberiensis diet.
CF (Crude Fibre) 21, ASH (Ash contents) 8, NFE (Nitrogen-Free-Extract) 57, CP (Crude Protein) 10, EE (Ether Extract) 4. See details for the calculations in Lintulaakso, K., Tatti, N. and Žliobaitė, I., 2022. Quantifying mammalian diets. Mammalian Biology, pp.1-15. [DOI]

Table 1. List of Diet Items for Hexaprotodon liberiensis.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Magnoliopsida	SHOOT	33.33	Damuth, J…
Magnoliopsida	FRUIT	27.78	Damuth, J…
Magnoliopsida	LEAF	22.22	Damuth, J…
Pteridophyta	LEAF	11.11	Grzimek,B…
Poaceae	STEM	5.56	Grzimek,B…

^a. Standardized values. See details for the calculations in Lintulaakso, K., Tatti, N. and Žliobaitė, I., 2022. Quantifying mammalian diets. Mammalian Biology, pp.1-15. [DOI]

Table 2. List of Standard Traits for Hexaprotodon liberiensis.
Trait	Selected Value	All Value(s)	Reference(s)
Dietary category: Eisenberg 1981	Herbivore-Browser	Herbivore-Browser	– Abraham, J.O., Upham, N.S., Damian-Serrano, A. and Jesmer, B.R., 2022. Evolutionary causes and consequences of ungulate migration. Nature Ecology & Evolution, 6(7), pp.998-1006., M. Mendoza, P. Palmqvist, 2008, 'Hypsodonty in ungulates: an adaptation for grass consumption or for foraging in open habitat?', Journal of Zoology, vol. 274, no. 2, pp. 134-142
Dietary category: Miljutin 2009	Herbivore	Herbivore	– Abraham, J.O., Upham, N.S., Damian-Serrano, A. and Jesmer, B.R., 2022. Evolutionary causes and consequences of ungulate migration. Nature Ecology & Evolution, 6(7), pp.998-1006., M. Mendoza, P. Palmqvist, 2008, 'Hypsodonty in ungulates: an adaptation for grass consumption or for foraging in open habitat?', Journal of Zoology, vol. 274, no. 2, pp. 134-142

Table 3. List of Standard Measurements for Hexaprotodon liberiensis.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	5	5	-	-	-	233,800	-	-	Engelman,…
Head-Body Length (HBL)	nan	mm	-	-	-	-	-	1,588	-	-	Engelman,…
Occipital condyle width (OCW)	nan	mm	5	5	-	-	-	83.73	-	-	Engelman,…

Table 4. List of other Measurements ^b. for Hexaprotodon liberiensis.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
brainmass	nan	g	-	-	-	-	-	215	-	-	Engelman,…
skull_length	nan	mm	-	-	-	-	-	339	-	-	Engelman,…
average ungulate dietary grass fraction (proportional)	nan	unitless	-	-	-	-	-	0	-	-	Abraham, …
femur circumference	nan	mm	-	-	-	-	-	106	-	-	Nelson, A…
femur diameter	nan	mm	-	-	-	-	-	34	-	-	Nelson, A…
humerus circumference	nan	mm	-	-	-	-	-	104	-	-	Nelson, A…
humerus diameter	nan	mm	-	-	-	-	-	30	-	-	Nelson, A…
neck length	nan	mm	-	-	-	-	-	121	-	-	Nelson, A…

^b. other Measurements. Source Measurements which are not listed on or mapped with the Standard Traits..

Table 5. List of Data Sources for Hexaprotodon liberiensis.
Taxon	Reference	Match	Status
Hexaprotodon liberiensis	Mendoza,M., 2008, Hypsodonty in ungulates: an adaptation for grass consumption or for foraging in open habitat?, Journal of zoology	1: Exact Taxon match	Verified - Accepted
Hexaprotodon liberiensis	Damuth, J. 2010. ABSOLUT 6 a mammalian database compiled by the national center for ecological analysis and synthesis (NCEAS ) workshop on mammalian communities.	1: Exact Taxon match	Verified - Accepted
Choeropsis liberiensis	Nowak,R. M., 1991, Walker's mammals of the world,	150: Genus synonym, same species epithet	Verified - Accepted
Hexaprotodon liberiensis	Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V,	1: Exact Taxon match	Verified - Accepted
Choeropsis liberiensis	Nowak,R. M., 1991, Walker's mammals of the world,	150: Genus synonym, same species epithet	Verified - Accepted
Choeropsis liberiensis	Engelman, R.K., 2022. Occipital condyle width (OCW) is a highly accurate predictor of body mass in therian mammals. BMC biology, 20(1), p.37.	150: Genus synonym, same species epithet	Verified - Accepted
Choeropsis liberiensis	DeMers, A.C., 2023. Functional Significance of the Mandible, Tooth Roots, and Tooth Crowns, and their Implications for Fossil Dietary Inference (Doctoral dissertation, The Ohio State University).	150: Genus synonym, same species epithet	Verified - Accepted
Choeropsis liberiensis	Abraham, J.O., Upham, N.S., Damian-Serrano, A. and Jesmer, B.R., 2022. Evolutionary causes and consequences of ungulate migration. Nature Ecology & Evolution, 6(7), pp.998-1006.	150: Genus synonym, same species epithet	Verified - Accepted
Choeropsis liberiensis	Lundgren, E.J., Schowanek, S.D., Rowan, J., Middleton, O., Pedersen, R.Ø., Wallach, A.D., Ramp, D., Davis, M., Sandom, C.J. and Svenning, J.C., 2021. Functional traits of the world’s late Quaternary large-bodied avian and mammalian herbivores. Scientific data, 8(1), p.17.	150: Genus synonym, same species epithet	Verified - Accepted
Choeropsis liberiensis	Nelson, A., Engelman, R.K. and Croft, D.A., 2023. How to weigh a fossil mammal? South American notoungulates as a case study for estimating body mass in extinct clades. Journal of Mammalian Evolution, 30(3), pp.773-809.	150: Genus synonym, same species epithet	Verified - Accepted
Choeropsis liberiensis	Rowan, J., Beaudrot, L., Franklin, J., Reed, K.E., Smail, I.E., Zamora, A. and Kamilar, J.M., 2020. Geographically divergent evolutionary and ecological legacies shape mammal biodiversity in the global tropics and subtropics. Proceedings of the National Academy of Sciences, 117(3), pp.1559-1565.	150: Genus synonym, same species epithet	Verified - Accepted

Citation for this page: [The MammalBase community 2026. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Hexaprotodon liberiensis , Accessed 30th April 2026 at https://mammalbase.net/me/15467]