Accepted taxon: Oryzomys megacephalus
| Taxon: | Oryzomys megacephalus |
|---|---|
| Rank: | Species |
| Higher Classification: | RODENTIA | MYOMORPHA | Muroidea | Cricetidae | Sigmodontinae | Oryzomys |
| 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 Oryzomys megacephalus diet.
CF (Crude Fibre) 11, ASH (Ash contents) 4, NFE (Nitrogen-Free-Extract) 57, CP (Crude Protein) 19, EE (Ether Extract) 8.
See details for the calculations in Lintulaakso, K., Tatti, N. and Žliobaitė, I., 2022. Quantifying mammalian diets.
Mammalian Biology, pp.1-15.
[DOI]
| TSN Complete name | Part | Ratio a. | Reference(s) |
|---|---|---|---|
| Magnoliopsida | FRUIT | 50.00 | Damuth, J… |
| Magnoliopsida | SEED | 33.33 | Damuth, J… |
| Insecta | WHOLE | 16.67 | 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]
| Trait | Selected Value | All Value(s) | Reference(s) |
|---|---|---|---|
| Locomotion: Eisenberg 1981 | Terrestrial | Terrestrial | – Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition |
| Dietary category: Eisenberg 1981 | Frugivore-Granivore | Frugivore-Granivore | – 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 | – JOSHUA X. SAMUELS, 2009, 'Cranial morphology and dietary habits of rodents', Zoological Journal of the Linnean Society, vol. 156, no. 4, pp. 864-888, Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition |
| Hypsodonty | 1 = brachydont | 1 = brachydont | – ALEXANDRE R. PERCEQUILLO, MARCELO WEKSLER, LEONORA P. COSTA, 2011, 'A new genus and species of rodent from the Brazilian Atlantic Forest (Rodentia: Cricetidae: Sigmodontinae: Oryzomyini), with comments on oryzomyine biogeography', Zoological Journal of the Linnean Society, vol. 161, no. 2, pp. 357-390, Carleton,M. D., 1980, Phylogenetic relationships in neotomine-peromyscine rodents (Muroidea) and a reappraisal of the dichotomy within New World Cricetinae, |
| Measurement | Location | Unit | n Total | n Unknown | n Female | n Male | Min | Mean | Max | SD | Reference(s) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Body Mass (BM) | nan | g | 40 | - | 40 | - | - | 42.1 | - | - | Nelson, A… |
| Body Mass (BM) | nan | g | - | - | - | - | 24 | - | 115 | - | Freudenth… |
| Body Mass (BM) | Brazil | g | - | - | - | - | - | 60 | - | - | Paglia,A.… |
| Body Mass (BM) | nan | g | 53 | - | - | 53 | - | 51.7 | - | - | Nelson, A… |
| Head-Body Length (HBL) | nan | mm | 53 | - | - | 53 | - | 120 | - | - | Nelson, A… |
| Head-Body Length (HBL) | nan | mm | 40 | - | 40 | - | - | 118 | - | - | Nelson, A… |
| Measurement | Location | Unit | n Total | n Unknown | n Female | n Male | Min | Mean | Max | SD | Reference(s) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| femur circumference | nan | mm | - | - | - | - | - | 8 | - | - | Nelson, A… |
| humerus circumference | nan | mm | - | - | - | - | - | 6 | - | - | Nelson, A… |
b. other Measurements. Source Measurements which are not listed on or mapped with the Standard Traits..
Citation for this page: [The MammalBase community 2026. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Oryzomys megacephalus , Accessed 15th April 2026 at https://mammalbase.net/me/8861]