Interatherium extensus Fernández et al. 2023 (notoungulate)

Mammalia - Notoungulata - Interatheriidae

Synonyms: Icochilus crassiramis Ameghino 1894 [objective synonym], Icochilus extensus Ameghino 1889 [objective synonym], Icochilus hegetotheroides Ameghino 1894 [objective synonym], Icochilus lamellosus Ameghino 1894 [objective synonym], Icochilus robustus Ameghino 1891 [objective synonym], Icochilus senilis Ameghino 1894 [objective synonym], Icochilus trilineatus Ameghino 1894 [objective synonym], Icochilus truncus Ameghino 1894 [objective synonym], Interatherium dentatum Ameghino 1894 [objective synonym], Interatherium interruptum Ameghino 1894 [objective synonym], Interatherium robustum Ameghino 1891

Full reference: M. Fernández, J. C. Fernicola, and E. Cerdeño. 2023. Systematic Revision of Interatherium and Icochilus (Interatheriidae, Notoungulata) from the Santa Cruz Formation (Early To Middle Miocene), Santa Cruz Province, Argentina. Ameghiniana 60(3):236-258

Belongs to Interatherium according to M. Fernández et al. 2023

See also Ameghino 1889, Ameghino 1894, Fernández et al. 2021, Fernández and Muñoz 2019, Pascual and Rivas 1971 and Vera et al. 2019

Sister taxa: Interatherium brevifrons, Interatherium excavatum, Interatherium extensum, Interatherium rodens, Icochilus curtus

Type specimens:

  • Interatherium extensus: Lectotype: MACN-A 1083, skull with complete dentition; and MACN-A 1084, complete mandible with its broken anterior dentition and left dp1-p2–m3 and right dp1–p2 (alveolus)–p3–m3, a skull
  • Icochilus crassiramis:
  • Icochilus extensus:
  • Icochilus hegetotheroides:
  • Icochilus lamellosus:
  • Icochilus robustus:
  • Icochilus senilis:
  • Icochilus trilineatus:
  • Icochilus truncus:
  • Interatherium dentatum:
  • Interatherium interruptum:
  • Interatherium robustum:

Ecology: scansorial herbivore


• Miocene of Argentina (15 collections)

Total: 15 collections including 16 occurrences

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Specimen images are retrieved through the ePANDDA API.

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