MammalBase - Accepted taxon: Reithrodon auritus

Accepted taxon: Reithrodon auritus
Taxon:	Reithrodon auritus
Rank:	Species
Higher Classification:	RODENTIA \| MYOMORPHA \| Muroidea \| Cricetidae \| Sigmodontinae \| Reithrodon
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 Reithrodon auritus diet.
CF (Crude Fibre) 24, ASH (Ash contents) 7, NFE (Nitrogen-Free-Extract) 54, CP (Crude Protein) 11, EE (Ether Extract) 3. 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 Reithrodon auritus.
TSN Complete name	Part	Ratio ^a.	Reference(s)
Poaceae	STEM	63.33	Damuth, J…
Magnoliopsida	ROOT	36.67	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 Reithrodon auritus.
Trait	Selected Value	All Value(s)	Reference(s)
Dietary category: Miljutin 2009	Herbivore	Herbivore	– 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., 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 Reithrodon auritus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
Body Mass (BM)	Chile	g	-	-	-	-	-	80.2	-	-	Cofre, H.…
Body Mass (BM)	nan	g	-	-	-	-	20	-	116	-	Freudenth…
Body Mass (BM)	nan	g	7	7	-	-	-	60	-	-	Nelson, A…
Head-Body Length (HBL)	nan	mm	7	7	-	-	-	134	-	-	Nelson, A…

Table 4. List of other Measurements ^b. for Reithrodon auritus.
Measurement	Location	Unit	n Total	n Unknown	n Female	n Male	Min	Mean	Max	SD	Reference(s)
OPD (l)		n/a	3	3	-	-	-	134	-	-	Evans, Al…
OPD (u)		n/a	3	3	-	-	-	104	-	-	Evans, Al…
BMR (kJ/h)	nan	kJ/h	-	-	-	-	-	2	-	-	McNab, B.…
BMR,mlO2/h	nan	mlO2/h	3	3	-	-	-	77	-	-	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 Reithrodon auritus.
Taxon	Reference	Match	Status
Reithrodon auritus	Cofre,H., 1999, Conservation status, rarity, and geographic priorities for conservation of Chilean mammals: an assessment, Biological Conservation	1: Exact Taxon match	Verified - Accepted
Reithrodon auritus	Ojeda,R. A., 2001, Mammals in South American drylands: faunal similarity and trophic structure, Global Ecology and Biogeography	1: Exact Taxon match	Verified - Accepted
Reithrodon auritus	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
Reithrodon autitus	Damuth, J. 2010. ABSOLUT 6 a mammalian database compiled by the national center for ecological analysis and synthesis (NCEAS ) workshop on mammalian communities.	51: Name variant or misspelling of the taxon	Verified - Accepted
Reithrodon physodes	Damuth, J. 2010. ABSOLUT 6 a mammalian database compiled by the national center for ecological analysis and synthesis (NCEAS ) workshop on mammalian communities.	61: Genus, Species = Master genus, species synonym	Verified - Accepted
Reithrodon auritus	Evans, Alistair R., Gregory P. Wilson, Mikael Fortelius, and Jukka Jernvall. Ã¢â‚¬Å“High-Level Similarity of Dentitions in Carnivorans and Rodents.Ã¢â‚¬Â Nature 445, no. 7123 (December 13, 2006): 78Ã¢â‚¬â€œ81. doi:10.1038/nature05433.	1: Exact Taxon match	Verified - Accepted
Reithrodon physodes	Nowak,R. M., 1991, Walker's mammals of the world,	61: Genus, Species = Master genus, species synonym	Verified - Accepted
Reithrodon auritus	Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V,	1: Exact Taxon match	Verified - Accepted
Reithrodon physodes	Nowak,R. M., 1991, Walker's mammals of the world,	61: Genus, Species = Master genus, species synonym	Verified - Accepted
Reithrodon auritus	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
Reithrodon auritus	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
Reithrodon auritus	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
Reithrodon auritus	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 Reithrodon auritus , Accessed 16th April 2026 at https://mammalbase.net/me/8916]