MammalBase - Accepted taxon: Thrichomys apereoides

Accepted taxon: Thrichomys apereoides
Taxon:	Thrichomys apereoides
Rank:	Species
Higher Classification:	RODENTIA \| HYSTRICOMORPHA \| HYSTRICOGNATHI \| Echimyidae \| Eumysopinae \| Thrichomys
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 Thrichomys apereoides diet.
CF (Crude Fibre) 16, ASH (Ash contents) 6, NFE (Nitrogen-Free-Extract) 53, CP (Crude Protein) 15, EE (Ether Extract) 10. 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 Thrichomys apereoides.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Gossypium	SEED	30.48	Grzimek,B…
Gossypium	FRUIT	18.10	Grzimek,B…
Cocos nucifera	SEED	15.24	Grzimek,B…
Magnoliopsida	FRUIT	14.29	Damuth, J…
Magnoliopsida	SEED	9.52	Damuth, J…
Cactaceae	SHOOT	7.62	Grzimek,B…
Insecta	WHOLE	4.76	Damuth, J…

^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 Thrichomys apereoides.
Trait	Selected Value	All Value(s)	Reference(s)
Locomotion: Eisenberg 1981	Terrestrial	Scansonal, Terrestrial	– Arends, A. and McNab, B.K., 2001. The comparative energetics of ‘caviomorph’rodents. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 130(1), pp.105-122., Carvalhaes, J., Tavares, W., do Val Vilela, R., D’Andrea, P. 2022. Phylogenetic, Allometric, and Ecological Factors Affecting Morphological Variation in the Scapula and Humerus of Spiny Rats (Rodentia: Echimyidae). Journal of Mammalian Evolution. None(None), pp.None. Available at: 10.1007/s10914-022-09617-5., Ferreira, J., Rinderknecht, A., de Moura Bubadué, J., Gasparetto, L., Dozo, M., Sánchez-Villagra, M., Kerber, L. 2024. Unveiling the neuroanatomy of Josephoartigasia monesi and the evolution of encephalization in caviomorph rodents. Brain Structure and Function. None(None), pp.None. Available at: 10.1007/s00429-024-02762-y., Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition
Dietary category: Eisenberg 1981	Frugivore-Herbivore	Frugivore-Granivore, Frugivore-Herbivore, Herbivore-Grazer	– Arends, A. and McNab, B.K., 2001. The comparative energetics of ‘caviomorph’rodents. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 130(1), pp.105-122., Ferreira, J., Rinderknecht, A., de Moura Bubadué, J., Gasparetto, L., Dozo, M., Sánchez-Villagra, M., Kerber, L. 2024. Unveiling the neuroanatomy of Josephoartigasia monesi and the evolution of encephalization in caviomorph rodents. Brain Structure and Function. None(None), pp.None. Available at: 10.1007/s00429-024-02762-y., Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition
Dietary category: Miljutin 2009	Frugivore	Frugivore, Herbivore	– Arends, A. and McNab, B.K., 2001. The comparative energetics of ‘caviomorph’rodents. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 130(1), pp.105-122., Ferreira, J., Rinderknecht, A., de Moura Bubadué, J., Gasparetto, L., Dozo, M., Sánchez-Villagra, M., Kerber, L. 2024. Unveiling the neuroanatomy of Josephoartigasia monesi and the evolution of encephalization in caviomorph rodents. Brain Structure and Function. None(None), pp.None. Available at: 10.1007/s00429-024-02762-y., Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition, Ricardo A. Ojeda, Pedro G. Blendinger, Roland Brandl, 2000, 'Mammals in South American drylands: faunal similarity and trophic structure', Global Ecology and Biogeography, vol. 9, no. 2, pp. 115-123

Table 3. List of Standard Measurements for Thrichomys apereoides.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	nan	g	-	-	-	-	-	280	-	-	Ferreira,…
Body Mass (BM)	Brazil	g	-	-	-	-	-	260	-	-	Paglia,A.…
Body Mass (BM)	nan	g	-	-	-	-	200	-	500	-	Freudenth…
Body Mass (BM)	New World	g	-	-	-	-	-	323	-	-	Arends, A…

Table 4. List of other Measurements ^b. for Thrichomys apereoides.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
BMR (kJ/h)	nan	kJ/h	-	-	-	-	-	4	-	-	McNab, B.…
BMR,mlO2/h	nan	mlO2/h	2	2	-	-	-	207	-	-	Genoud, M…
BCL, basicranial length	nan	mm	1	1	-	-	-	16	-	-	Ferreira,…
DL, diastema length	nan	mm	1	1	-	-	-	11	-	-	Ferreira,…
FW, frontal width	nan	mm	1	1	-	-	-	16	-	-	Ferreira,…
IW, incisor width	nan	mm	1	1	-	-	-	3	-	-	Ferreira,…
RL, rostral length	nan	mm	1	1	-	-	-	24	-	-	Ferreira,…
skull, condyle-basal length of the skull	nan	mm	1	1	-	-	-	47	-	-	Ferreira,…
TL, total length of skull	nan	mm	1	1	-	-	-	50	-	-	Ferreira,…
Upper T, Upper incisor transverse diameter	nan	mm	1	1	-	-	-	1	-	-	Ferreira,…
UTRW, Upper tooth row length	nan	mm	1	1	-	-	-	12	-	-	Ferreira,…
ZL, zygomatic arc length	nan	mm	1	1	-	-	-	24	-	-	Ferreira,…

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

Table 5. List of Data Sources for Thrichomys apereoides.
Taxon	Reference	Match	Status
Trichomys apereoides	Ojeda,R. A., 2001, Mammals in South American drylands: faunal similarity and trophic structure, Global Ecology and Biogeography	51: Name variant or misspelling of the taxon	Verified - Accepted
Thrichomys apereoides	Paglia,A. P., 2012, Lista Anotada dos MamÃƒÂferos do Brasil 2Ã‚Âª EdiÃƒÂ§ÃƒÂ£o Annotated Checklist of Brazilian Mammals,	1: Exact Taxon match	Verified - Accepted
Trichomys apereoides	Arends,A., 2001, The comparative energetics of Ã¢â‚¬ËœcaviomorphÃ¢â‚¬â„¢rodents, Comparative Biochemistry and Physiology-Part A: Molecular & Integrative Physiology	51: Name variant or misspelling of the taxon	Verified - Accepted
Thrichomys apereoides	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
Thrichomys apereoides	Nowak,R. M., 1991, Walker's mammals of the world,	1: Exact Taxon match	Verified - Accepted
Thrichomys apereoides	Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V,	1: Exact Taxon match	Verified - Accepted
Thrichomys apereoides	Nowak,R. M., 1991, Walker's mammals of the world,	1: Exact Taxon match	Verified - Accepted
Thrichomys apereoides	Carvalhaes, J.G., Tavares, W.C., do Val Vilela, R. and D’Andrea, P.S., 2022. Phylogenetic, Allometric, and Ecological Factors Affecting Morphological Variation in the Scapula and Humerus of Spiny Rats (Rodentia: Echimyidae). Journal of Mammalian Evolution, pp.1-18.	1: Exact Taxon match	Verified - Accepted
Trichomys apereoides	McNab, B.K., 2008. An analysis of the factors that influence the level and scaling of mammalian BMR. Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology, 151(1), pp.5-28.	51: Name variant or misspelling of the taxon	Verified - Accepted
Thrichomys apereoides	Genoud, M., Isler, K. and Martin, R.D., 2018. Comparative analyses of basal rate of metabolism in mammals: data selection does matter. Biological Reviews, 93(1), pp.404-438.	1: Exact Taxon match	Verified - Accepted
Thrichomys apereoides	Ferreira, J.D., Rinderknecht, A., de Moura Bubadué, J., Gasparetto, L.F., Dozo, M.T., Sánchez-Villagra, M.R. and Kerber, L., 2024. Unveiling the neuroanatomy of Josephoartigasia monesi and the evolution of encephalization in caviomorph rodents. Brain Structure and Function, pp.1-15.	1: Exact Taxon match	Verified - Accepted
Thrichomys apereoides	Freudenthal, M. and Martín-Suárez, E., 2013. Estimating body mass of fossil rodents. Scripta Geologica, 145, pp.1-513.	1: Exact Taxon match	Verified - Accepted

Citation for this page: [The MammalBase community 2026. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Thrichomys apereoides , Accessed 16th April 2026 at https://mammalbase.net/me/10201]