Hegetotherium

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Hegetotherium
Temporal range: Mid Miocene (Santacrucian)
~17.5–16.5 Ma
↓
Hegetotherium.svg
Skull of Hegetotherium mirabile
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: †Notoungulata
Family: †Hegetotheriidae
Subfamily: †
Genus: †Hegetotherium
Ameghino 1887
Species
  • H. mirabile Ameghino 1887 (type)
  • H. cerdasensis et al. 2016

Hegetotherium is an extinct genus of mammals from the Middle Miocene (Santacrucian in the SALMA classification) of Argentina (Collón Curá, and ) and Chile (Río Frías Formation), South America.

Taxonomy[]

Hegetotherium is currently restricted to the type species, H. mirable, of which H. convexum, H. anceps, H. minum and H. andinum are synonyms, but also H. cerdasensis. "Hegetotherium" arctum was formerly assigned to this genus, but is clearly not a member of Hegetotheriidae. "Hegetotherium" novum was formerly referred to the closely related genus Prohegetotherium, but is now considered generically distinct from that genus.[1][2][3]

References[]

  1. ^ F. D. Seoane, S. R. Juñent, and E. Cerdeño. 2017. Phylogeny and paleobiogeography of Hegetotheriidae (Mammalia, Notoungulata). Journal of Vertebrate Paleontology 37(1):e1278547:1-13.
  2. ^ D. A. Croft, A. A. Carlini, M. R. Ciancio, D. Brandoni, N. E. Drew, R. K. Engelman, and F. Anaya. 2016. New mammal faunal data from Cerdas, Bolivia, a middle-latitude Neotropical site that chronicles the end of the Middle Miocene Climatic Optimum in South America. Journal of Vertebrate Paleontology 36(5):e1163574
  3. ^ Federico Damián Seoane; Esperanza Cerdeño (2019). "Systematic revision of Hegetotherium and Pachyrukhos (Hegetotheriidae, Notoungulata) and a new phylogenetic analysis of Hegetotheriidae". Journal of Systematic Palaeontology. in press. doi:10.1080/14772019.2018.1545146.



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