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MammalBase - Accepted taxon: Bassaricyon alleni

Accepted taxon: Bassaricyon alleni


Accepted taxon: Bassaricyon alleni
Taxon: Bassaricyon alleni
Rank: Species
Higher Classification: CARNIVORA | CANIFORMIA | Procyonidae | Bassaricyon
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 Bassaricyon alleni diet.
CF (Crude Fibre) 9, ASH (Ash contents) 5, NFE (Nitrogen-Free-Extract) 42, CP (Crude Protein) 33, EE (Ether Extract) 10. 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 Bassaricyon alleni.
TSN Complete name Part Ratio a. Reference(s)
Magnoliopsida FRUIT 50.00 Grzimek,B…
Insecta WHOLE 33.33 Grzimek,B…
Vertebrata WHOLE 16.67 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 Bassaricyon alleni.
Trait Selected Value All Value(s) Reference(s)
Dietary category: Miljutin 2009 Frugivore Frugivore – Juhn, M., Balisi, M., Doughty, E., Friscia, A., Howenstine, A., Jacquemetton, C., Marcot, J., Nugen, S., Van Valkenburgh, B. 2024. Cenozoic climate change and the evolution of North American mammalian predator ecomorphology. Paleobiology. None(None), pp.1-10. Available at: 10.1017/pab.2024.27., Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition
Locomotion: Eisenberg 1981 Arboreal Arboreal – Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition
Dietary category: Eisenberg 1981 Frugivore-omnivore Frugivore-omnivore – Juhn, M., Balisi, M., Doughty, E., Friscia, A., Howenstine, A., Jacquemetton, C., Marcot, J., Nugen, S., Van Valkenburgh, B. 2024. Cenozoic climate change and the evolution of North American mammalian predator ecomorphology. Paleobiology. None(None), pp.1-10. Available at: 10.1017/pab.2024.27., Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals 2nd Edition

Table 3. List of Standard Measurements for Bassaricyon alleni.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
Body Mass (BM) Brazil g - - - - 1,100 1,250 1,400 - Paglia,A.…
Body Mass (BM) nan g - - - - - 1,336 - - Juhn, M.,…
Body Mass (BM) nan g 27 27 - - - 1,336 - - Nelson, A…
Body Mass (BM) nan g - - - - 900 - 1,500 - Freudenth…
Head-Body Length (HBL) nan mm 27 27 - - 304 391 455 29 Helgen, K…
Head-Body Length (HBL) nan mm 27 27 - - - 383 - - Nelson, A…
Tail Length (TL) nan mm 27 27 - - 401 450 530 29 Helgen, K…

Table 4. List of other Measurements b. for Bassaricyon alleni.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
anteroposterior length of the auditory bullae including the eustachian tube (LAB) nan mm 17 - 17 - 13 14 16 1 Helgen, K…
anteroposterior length of the auditory bullae including the eustachian tube (LAB) nan mm 12 - - 12 14 15 17 1 Helgen, K…
breadth of braincase (BBC) nan mm 17 - 17 - 33 35 37 1 Helgen, K…
breadth of braincase (BBC) nan mm 12 - - 12 34 35 37 1 Helgen, K…
condylobasal length (CBL) nan mm 17 - 17 - 73 77 81 2 Helgen, K…
condylobasal length (CBL) nan mm 12 - - 12 77 79 83 2 Helgen, K…
dorsoventral diameter inside the external auditory meatus (EAM) nan mm 17 - 17 - 3 4 4 0 Helgen, K…
dorsoventral diameter inside the external auditory meatus (EAM) nan mm 12 - - 12 3 4 5 0 Helgen, K…
external width across the canines (CC) nan mm 17 - 17 - 15 16 17 1 Helgen, K…
external width across the canines (CC) nan mm 12 - - 12 16 17 18 1 Helgen, K…
greatest width across the postdental palatal shelf (WPP) nan mm 17 - 17 - 8 10 12 1 Helgen, K…
greatest width across the postdental palatal shelf (WPP) nan mm 12 - - 12 9 10 12 1 Helgen, K…
height of braincase (HBC) nan mm 17 - 17 - 26 27 28 1 Helgen, K…
height of braincase (HBC) nan mm 12 - - 12 26 27 29 1 Helgen, K…
length of external ear (E), or pinna nan mm 27 27 - - 30 37 43 3 Helgen, K…
length of hind foot (HF), which includes claws nan mm 27 27 - - 70 81 92 6 Helgen, K…
length of the maxillary toothrow C-M2 (MTR) nan mm 17 - 17 - 26 27 29 1 Helgen, K…
length of the maxillary toothrow C-M2 (MTR) nan mm 12 - - 12 27 28 30 1 Helgen, K…
length of the postdental palate behind an imaginary line delineated by the back of the second molars (LPP) nan mm 17 - 17 - 9 10 12 1 Helgen, K…
length of the postdental palate behind an imaginary line delineated by the back of the second molars (LPP) nan mm 12 - - 12 9 11 13 1 Helgen, K…
M1 length nan mm 34 34 - - 5 5 6 0 Helgen, K…
M1 length nan mm 34 34 - - 5 6 6 0 Helgen, K…
M1 width nan mm 34 34 - - 5 6 6 0 Helgen, K…
M1 width nan mm 34 34 - - 4 4 5 0 Helgen, K…
M2 length nan mm 34 34 - - 3 4 4 0 Helgen, K…
M2 length nan mm 34 34 - - 4 5 5 0 Helgen, K…
M2 width nan mm 34 34 - - 4 5 5 0 Helgen, K…
M2 width nan mm 34 34 - - 3 4 4 0 Helgen, K…
Mass (g) nan g 27 27 - - 1,100 1,336 1,500 152 Helgen, K…
p1 width nan mm 34 34 - - 2 2 2 0 Helgen, K…
p2 width nan mm 34 34 - - 2 2 3 0 Helgen, K…
p2 width nan mm 34 34 - - 2 2 3 0 Helgen, K…
p3 width nan mm 34 34 - - 2 3 3 0 Helgen, K…
p3 width nan mm 34 34 - - 3 3 4 0 Helgen, K…
P4 length nan mm 34 34 - - 4 4 5 0 Helgen, K…
p4 width nan mm 34 34 - - 3 3 4 0 Helgen, K…
p4 width nan mm 34 34 - - 4 5 6 0 Helgen, K…
total length nan mm 27 27 - - 705 842 985 51 Helgen, K…
zygomatic width (ZYG) nan mm 17 - 17 - 49 50 52 1 Helgen, K…
zygomatic width (ZYG) nan mm 12 - - 12 49 52 53 1 Helgen, K…
relative blade length (RBL) nan unitless - - - - - 0 - - Juhn, M.S…

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


Table 5. List of Data Sources for Bassaricyon alleni.
Taxon Reference Match Status
Bassaricyon alleni Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals, 1: Exact Taxon match Verified - Accepted
Bassaricyon alleni Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V, 1: Exact Taxon match Verified - Accepted
Bassaricyon alleni Law, C.J., Blackwell, E.A., Curtis, A.A., Dickinson, E., Hartstone‐Rose, A. and Santana, S.E., 2022. Decoupled evolution of the cranium and mandible in carnivoran mammals. Evolution. 1: Exact Taxon match Verified - Accepted
Bassaricyon alleni 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
Bassaricyon alleni Helgen, K.M., Pinto, C.M., Kays, R.W., Helgen, L.E., Tsuchiya, M.T., Quinn, A., Wilson, D.E. and Maldonado, J.E., 2013. Taxonomic revision of the olingos (Bassaricyon), with description of a new species, the Olinguito. Pensoft. 1: Exact Taxon match Verified - Accepted
Bassaricyon alleni 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
Bassaricyon alleni Juhn, M.S., Balisi, M.A., Doughty, E.M., Friscia, A.R., Howenstine, A.O., Jacquemetton, C., Marcot, J., Nugen, S. and Van Valkenburgh, B., 2024. Cenozoic climate change and the evolution of North American mammalian predator ecomorphology. Paleobiology, pp.1-10. 1: Exact Taxon match Verified - Accepted
Bassaricyon alleni 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 Bassaricyon alleni , Accessed 1st May 2026 at https://mammalbase.net/me/15234]