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MammalBase - Accepted taxon: Hydrurga leptonyx

Accepted taxon: Hydrurga leptonyx


Accepted taxon: Hydrurga leptonyx
Taxon: Hydrurga leptonyx
Rank: Species
Higher Classification: CARNIVORA | CANIFORMIA | Phocidae | Hydrurga
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 Hydrurga leptonyx diet.
CF (Crude Fibre) 1, ASH (Ash contents) 10, NFE (Nitrogen-Free-Extract) 8, CP (Crude Protein) 55, EE (Ether Extract) 25. 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 Hydrurga leptonyx.
TSN Complete name Part Ratio a. Reference(s)
Spheniscidae WHOLE 30.00 Grzimek,B…
Phocidae WHOLE 28.33 Grzimek,B…
Euphausiidae WHOLE 26.67 Grzimek,B…
Osteichthyes WHOLE 6.67 Nowak,R. …
Lobodon carcinophaga WHOLE 5.00 Grzimek,B…
Cephalopoda WHOLE 3.33 Nowak,R. …

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 Hydrurga leptonyx.
Trait Selected Value All Value(s) Reference(s)
Dietary category: Eisenberg 1981 Carnivore Carnivore Paglia,A.…
Dietary category: Miljutin 2009 Animalivore Animalivore Paglia,A.…
Locomotion: Eisenberg 1981 Aquatic Aquatic Paglia,A.…

Table 3. List of Standard Measurements for Hydrurga leptonyx.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)
Body Mass (BM) Brazil g - - - - - 450,000 - - Paglia,A.…

Table 4. List of other Measurements b. for Hydrurga leptonyx.
Measurement Location Unit n Total n Unknown n Female n Male Min Mean Max SD Reference(s)

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


Table 5. List of Data Sources for Hydrurga leptonyx.
Taxon Reference Match Status
Hydrurga leptonyx Turner,J., 2004, Mammals of Australia, 1: Exact Taxon match Verified - Accepted
Hydrurga leptonyx Paglia,A. P., 2012, Lista Anotada dos Mamíferos do Brasil 2ª Edição Annotated Checklist of Brazilian Mammals, 1: Exact Taxon match Verified - Accepted
Hydrurga leptonyx Nowak,R. M., 1991, Walker's mammals of the world, 1: Exact Taxon match Verified - Accepted
Hydrurga leptonyx Grzimek,B., 2003, Grzimek's Animal Life Encyclopedia: Mammals I-V, 1: Exact Taxon match Verified - Accepted
Hydrurga leptonyx DeMers, A.C., 2023. Functional Significance of the Mandible, Tooth Roots, and Tooth Crowns, and their Implications for Fossil Dietary Inference (Doctoral dissertation, The Ohio State University). 1: Exact Taxon match Verified - Accepted

Citation for this page: [The MammalBase community 2025. / CC BY 4.0. http://doi.org/10.5281/zenodo.7462864 Hydrurga leptonyx , Accessed 3rd August 2025 at https://mammalbase.net/me/14719]