Borhyaenidium

Borhyaenidium
Temporal range: Miocene–Pliocene
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: †Sparassodonta
Family: †Hathliacynidae
Genus: †Borhyaenidium
Pascual and Bocchino, 1963
Type species
Borhyaenidium musteloides
Pascual and Bocchino 1963
Other species
  • Borhyaenidium altiplanicus Villarroel and Marshall, 1983
  • Borhyaenidium riggsi Marshall, 1981

Borhyaenidium is an extinct genus of hathliacynid sparassodont that lived in South America during the Miocene and Pliocene epochs.[1]

Distribution

The type species, Borhyaenidium musteloides, inhabited Argentina,[2] as did Borhyaenidium riggsi.[3] Borhyaenidium altiplanicus lived in Bolivia.[4]

Description

B. altiplanicus had a significant diastema between P1 and P2 and a smaller one between P2 and P3. The P2 was slightly longer mesiodistally than the P3. The talonid of its M1 was unbasined and small. The talonid was larger on M2, which also had a hypoconid and hypoconulid that were both larger than the diminished entoconid.[5]

References

  1. ^ "Borhyaenidium". Paleobiology Database. Retrieved 3 May 2026.
  2. ^ "Borhyaenidium musteloides". Paleobiology Database. Retrieved 3 May 2026.
  3. ^ "Borhyaenidium riggsi". Paleobiology Database. Retrieved 3 May 2026.
  4. ^ "Borhyaenidium altiplanicus". Paleobiology Database. Retrieved 3 May 2026.
  5. ^ Villarroel, Carlos; Marshall, Larry G. (September 1983). "Two New Late Tertiary Marsupials (Hathlyacyninae and Sparassocyninae) from the Bolivian Altiplano". Journal of Paleontology. 57 (5): 1061–1066. ISSN 0022-3360. Retrieved 3 May 2026 – via GeoScienceWorld.
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