Xenocynus

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Xenocynus
Temporal range: Early Eocene
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Clade: Metatheria
Genus:† Xenocynus
Species:
†X. crypticus
Binomial name
†Xenocynus crypticus
Carneiro et. al., 2024

Xenocynus is an extinct genus of metatherian mammal that lived in Brazil during the Eocene. It is a monotypic genus that contains a single species, Xenocynus crypticus. [1]

Contents

Palaeobiology

Biomechanics

X. crypticus possessed a weak bite, but one that was fast. [2]

Palaeoecology

X. crypticus was insectivorous and carnivorous. [3]

References

  1. ↑ "PBDB Taxon" . Retrieved 24 December 2025.
  2. ↑ Carneiro, L. M.; Bampi, H.; Silva, R. C.; Loyola-Bartra, O. (12 August 2025). "The diversification of carnivorous trophic niches among Pucadelphyda (Mammalia, Metatheria) during the Palaeocene and early Eocene in South America". Historical Biology : 1–27. doi:10.1080/08912963.2025.2537163. ISSN   0891-2963 . Retrieved 24 December 2025– via Taylor and Francis Online.
  3. ↑ Carneiro, L. M.; Bampi, H.; Rangel, C. C.; Guimarães, B. M. G.; Silva, R. C.; Oliveira, é. V. (July 2024). "A new metatherian (Mammalia) from the Itaboraí basin (Early Eocene), Brazil: Implications to trophic niche partitioning between large-sized "didelphoid-like" metatherians" . Journal of South American Earth Sciences . 139 104895. Bibcode:2024JSAES.13904895C. doi:10.1016/j.jsames.2024.104895 . Retrieved 15 December 2024– via Elsevier Science Direct.
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