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MammalBase - Accepted taxon: Oryzomys megacephalus

Accepted taxon: Oryzomys megacephalus


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]


Table 1. List of Diet Items for Oryzomys megacephalus.
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]


Table 2. List of Standard Traits for Oryzomys megacephalus.
Trait Selected Value All Value(s) Reference(s)
Dietary category: Eisenberg 1981 Frugivore-Granivore Frugivore-Granivore Paglia,A.…
Dietary category: Miljutin 2009 Frugivore Frugivore JOSHUA X.…
Hypsodonty 1 = brachydont 1 = brachydont ALEXANDRE…
Locomotion: Eisenberg 1981 Terrestrial Terrestrial Paglia,A.…

Table 3. List of Standard Measurements for Oryzomys megacephalus.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
Body Mass (BM) nan g 53 - - 53 - 51.7 - - Nelson, A…
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.…
Head-Body Length (HBL) nan mm 40 - 40 - - 118 - - Nelson, A…
Head-Body Length (HBL) nan mm 53 - - 53 - 120 - - Nelson, A…

Table 4. List of other Measurements b. for Oryzomys megacephalus.
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..


Table 5. List of Data Sources for Oryzomys megacephalus.
Taxon Reference Match Status
Hylaeamys megacephalus PERCEQUILLO,A. R., 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 150: Genus synonym, same species epithet Verified - Accepted
Oryzomys megacephalus SAMUELS,J. X., 2009, Cranial morphology and dietary habits of rodents, Zoological Journal of the Linnean Society 1: Exact Taxon match Verified - Accepted
Oryzomys capito Carleton,M. D., 1980, Phylogenetic relationships in neotomine-peromyscine rodents (Muroidea) and a reappraisal of the dichotomy within New World Cricetinae, 61: Genus, Species = Master genus, species synonym Verified - Accepted
Hylaeamys megacephalus Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals, 150: Genus synonym, same species epithet Verified - Accepted
Oryzomys capito 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
Hylaeamys megacephalus 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
Oryzomys megacephalus 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 2024. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Oryzomys megacephalus , Accessed 20th May 2024 at https://mammalbase.net/me/8861]