Acyon tricuspidatus Ameghino 1887 (metatherian)

Mammalia - Sparassodonta

Synonyms: Anatherium herrerae Marshall 1981, Ictioborus destructor Ameghino 1894

Belongs to Acyon according to A. M. Forasiepi et al. 2006

See also Ameghino 1894, Marshall 1978 and Marshall 1981

Sister taxon: Acyon myctoderos

Type specimens:

  • Acyon tricuspidatus: MLP 11-64, a mandible (right mandibular ramus in two parts, anterior with root of c, alveoli of p1-2; posterior with p3-m4 all present but partially broken). Its type locality is Monte León, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
  • Anatherium herrerae: FMNH P13521, a mandible (associated left and right mandibular rami with bases of cs, and p1-m4 (tips of right p1-2 and protoconids of right m3 and left m3-4 missing)). Its type locality is Gran Barranca - southern cliff of lake Colhué Huapí, which is in a Colhuehuapian terrestrial horizon in the Sarmiento Formation of Argentina.
  • Ictioborus destructor: MACN 5988, a mandible (fragment of right mandibular ramus with posterior root of p1, roots of p2-3, m1-2 complete but very, very worn). Its type locality is Shehuén, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.

Ecology: scansorial carnivore

Distribution:

• Miocene of Argentina (3 collections)

Total: 3 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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