MammalBase - Accepted taxon: Chaetophractus villosus

Accepted taxon: Chaetophractus villosus
Taxon:	Chaetophractus villosus
Rank:	Species
Higher Classification:	CINGULATA \| Dasypodidae \| Euphractinae \| Chaetophractus
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 Chaetophractus villosus diet.
CF (Crude Fibre) 5, ASH (Ash contents) 6, NFE (Nitrogen-Free-Extract) 9, CP (Crude Protein) 38, EE (Ether Extract) 9. 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 Chaetophractus villosus.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Insecta	WHOLE	36.67	Damuth, J…
Vertebrata	WHOLE	20.00	Damuth, J…
Vertebrata	CARRION	18.33	Damuth, J…
Arthropoda	WHOLE	13.33	Grzimek,B…
Magnoliopsida	SHOOT	11.67	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 Chaetophractus villosus.
Trait	Selected Value	All Value(s)	Reference(s)
Dietary category: Miljutin 2009	Frugivore	Animalivore, Frugivore	– Brian K. McNab, 1986, 'The Influence of Food Habits on the Energetics of Eutherian Mammals', Ecological Monographs, vol. 56, no. 1, p. 1, Cofre, H. and Marquet, P.A., 1999. Conservation status, rarity, and geographic priorities for conservation of Chilean mammals: an assessment. Biological Conservation, 88(1), pp.53-68.
Dietary category: Eisenberg 1981	Insectivore	Insectivore	– Brian K. McNab, 1986, 'The Influence of Food Habits on the Energetics of Eutherian Mammals', Ecological Monographs, vol. 56, no. 1, p. 1

Table 3. List of Standard Measurements for Chaetophractus villosus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	Chile	g	-	-	-	-	-	2,370	-	-	Cofre, H.…
Body Mass (BM)	nan	g	-	-	-	-	1,000	-	4,571	-	Freudenth…

Table 4. List of other Measurements ^b. for Chaetophractus villosus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
BMR (kJ/h)	nan	kJ/h	-	-	-	-	-	16	-	-	McNab, B.…
femur diameter	nan	mm	-	-	-	-	-	8	-	-	Nelson, A…
humerus diameter	nan	mm	-	-	-	-	-	6	-	-	Nelson, A…
BMR,mlO2/h	nan	mlO2/h	2	2	-	-	-	808	-	-	Genoud, M…

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

Table 5. List of Data Sources for Chaetophractus villosus.
Taxon	Reference	Match	Status
Chaetophractus villosus	Cofre,H., 1999, Conservation status, rarity, and geographic priorities for conservation of Chilean mammals: an assessment, Biological Conservation	1: Exact Taxon match	Verified - Accepted
Chaetophractus villosus	Nowak,R. M., 1991, Walker's mammals of the world,	1: Exact Taxon match	Verified - Accepted
Chaetophractus villosus	McNab,B. K., 1986, The influence of food habits on the energetics of eutherian mammals, Ecological Monographs	1: Exact Taxon match	Verified - Accepted
Chaetophractus villosus	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
Chaetophractus villosus	Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V,	1: Exact Taxon match	Verified - Accepted
Chaetophractus villosus	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.	1: Exact Taxon match	Verified - Accepted
Chaetophractus villosus	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.	1: Exact Taxon match	Verified - Accepted
Chaetophractus villosus	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
Chaetophractus villosus	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
Chaetophractus villosus	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.	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 Chaetophractus villosus , Accessed 17th April 2026 at https://mammalbase.net/me/5409]