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MammalBase - Accepted taxon: Myocastor coypus

Accepted taxon: Myocastor coypus


Accepted taxon: Myocastor coypus
Taxon: Myocastor coypus
Rank: Species
Higher Classification: RODENTIA | HYSTRICOMORPHA | HYSTRICOGNATHI | Myocastoridae | Myocastor
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 Myocastor coypus diet.
CF (Crude Fibre) 18, ASH (Ash contents) 12, NFE (Nitrogen-Free-Extract) 52, CP (Crude Protein) 15, EE (Ether Extract) 4. 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 Myocastor coypus.
TSN Complete name Part Ratio a. Reference(s)
Magnoliopsida SHOOT 34.39 Damuth, J…
Magnoliopsida ROOT 26.96 Damuth, J…
Plantae SHOOT 10.00 Reid,F., …
Bivalvia WHOLE 4.67 Grzimek,B…
Oryza sativa SEED 4.00 Grzimek,B…
Insecta WHOLE 3.33 Grzimek,B…
Saccharum officinarum STEM 3.00 Grzimek,B…
Glycine SEED 2.00 Grzimek,B…
Gastropoda WHOLE 1.33 Grzimek,B…
Zea mays SEED 1.00 Grzimek,B…
Juncus SHOOT 0.99 Grzimek,B…
Eleocharis LEAF 0.94 Grzimek,B…
Lilianae SHOOT 0.88 Grzimek,B…
Pontederia cordata SHOOT 0.82 Grzimek,B…
Polygonum SHOOT 0.76 Grzimek,B…
Sparganium SHOOT 0.70 Grzimek,B…
Oligochaeta WHOLE 0.67 Grzimek,B…
Schoenoplectus americanus LEAF 0.64 Grzimek,B…
Typha SHOOT 0.58 Grzimek,B…
Nereocystis luetkeanus SHOOT 0.53 Grzimek,B…
Alternanthera philoxeroides SHOOT 0.47 Grzimek,B…
Magnoliopsida STEM 0.41 Grzimek,B…
Araceae SHOOT 0.41 Grzimek,B…
Magnoliopsida LEAF 0.35 Grzimek,B…
Magnoliopsida BARK 0.12 Grzimek,B…
Trifolium SHOOT 0.06 Grzimek,B…

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 Myocastor coypus.
Trait Selected Value All Value(s) Reference(s)
Dietary category: Eisenberg 1981 Herbivore-Grazer Frugivore-omnivore,Herbivore-Browser,Herbivore-Grazer Arends, A…
Dietary category: Miljutin 2009 Herbivore Frugivore,Herbivore Arends, A…
Locomotion: Eisenberg 1981 Semiaquatic Aquatic,Semiaquatic Arends, A…

Table 3. List of Standard Measurements for Myocastor coypus.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
Body Mass (BM) nan g - - - - - 4,980 - - Ferreira,…
Body Mass (BM) Brazil g - - - - 1,000 1,040 1,080 - Paglia,A.…
Body Mass (BM) nan g - - - - 2,000 - 12,000 - Freudenth…
Body Mass (BM) New World g - - - - - 4,325 - - Arends, A…
Body Mass (BM) Chile g - - - - - 4,193 - - Cofre, H.…

Table 4. List of other Measurements b. for Myocastor coypus.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
BMR (kJ/h) nan kJ/h - - - - - 61 - - McNab, B.…
femur circumference nan mm - - - - - 33 - - Nelson, A…
femur diameter nan mm - - - - - 9 - - Nelson, A…
humerus circumference nan mm - - - - - 26 - - Nelson, A…
humerus diameter nan mm - - - - - 7 - - Nelson, A…
neck length nan mm - - - - - 40 - - Nelson, A…
BCL, basicranial length nan mm 1 1 - - - 30 - - Ferreira,…
DL, diastema length nan mm 1 1 - - - 28 - - Ferreira,…
FW, frontal width nan mm 1 1 - - - 38 - - Ferreira,…
IW, incisor width nan mm 1 1 - - - 12 - - Ferreira,…
RL, rostral length nan mm 1 1 - - - 58 - - Ferreira,…
skull, condyle-basal length of the skull nan mm 1 1 - - - 104 - - Ferreira,…
TL, total length of skull nan mm 1 1 - - - 113 - - Ferreira,…
Upper T, Upper incisor transverse diameter nan mm 1 1 - - - 6 - - Ferreira,…
UTRW, Upper tooth row length nan mm 1 1 - - - 30 - - Ferreira,…
ZL, zygomatic arc length nan mm 1 1 - - - 57 - - Ferreira,…

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


Table 5. List of Data Sources for Myocastor coypus.
Taxon Reference Match Status
Myocastor coypus SAMUELS,J. X., 2009, Cranial morphology and dietary habits of rodents, Zoological Journal of the Linnean Society 1: Exact Taxon match Verified - Accepted
Myocastor coypus Cofre,H., 1999, Conservation status, rarity, and geographic priorities for conservation of Chilean mammals: an assessment, Biological Conservation 1: Exact Taxon match Verified - Accepted
Myocaster coypus McNab,B. K., 1986, The influence of food habits on the energetics of eutherian mammals, Ecological Monographs 51: Name variant or misspelling of the taxon Verified - Accepted
Myocastor coypus Samuels,J. X., 2008, Skeletal indicators of locomotor adaptations in living and extinct rodents, Journal of Morphology 1: Exact Taxon match Verified - Accepted
Myocastor coypus Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals, 1: Exact Taxon match Verified - Accepted
Myocastor coypus Arends,A., 2001, The comparative energetics of ‘caviomorph’rodents, Comparative Biochemistry and Physiology-Part A: Molecular & Integrative Physiology 1: Exact Taxon match Verified - Accepted
Myocastor coypus 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
Myocastor coypus i 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
Myocastor coypus Samuels, Joshua X., and Blaire Van Valkenburgh. “Skeletal Indicators of Locomotor Adaptations in Living and Extinct Rodents.” J. Morphol. 269, no. 11 (November 2008): 1387–1411. doi:10.1002/jmor.10662. 1: Exact Taxon match Verified - Accepted
Myocastor coypus Reid,F., 2006, Peterson field guide to mammals of North America, 1: Exact Taxon match Verified - Accepted
Myocastor coypus Nowak,R. M., 1991, Walker's mammals of the world, 1: Exact Taxon match Verified - Accepted
Myocastor coypus Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V, 1: Exact Taxon match Verified - Accepted
Myocastor coypus Nowak,R. M., 1991, Walker's mammals of the world, 1: Exact Taxon match Verified - Accepted
Myocastor coypus 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
Myocastor coypus 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
Myocastor coypus 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
Myocastor coypus 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
Myocastor coypus 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 Myocastor coypus , Accessed 4th December 2024 at https://mammalbase.net/me/10231]