Stilotherium dissimile Ameghino 1887 (marsupial)

Mammalia - Paucituberculata - Caenolestidae

Synonyms: Garzonia annectens Ameghino 1891, Garzonia captiva Ameghino 1891, Garzonia minima Ameghino 1891, Garzonia typica Ameghino 1891, Halmarhiphus nanus Ameghino 1891, Parhalmarhiphus annectens Ameghino 1891, Pichipilus exilis Ameghino 1891

Belongs to Stilotherium according to L. Marshall 1982

See also Abello et al. 2021, Abello et al. 2012, Ameghino 1891, Ameghino 1894 and Marshall 1980

Sister taxa: Stilotherium parvum, Stilotherium typicum, Garzonia patagonica

Type specimens:

  • Stilotherium dissimile: MACN 8464, a mandible (fragment of a right mandibular ramus with complete dentition, missing only tip of large incisor). Its type locality is La Cueva, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
  • Garzonia annectens: MACN 5703, a mandible (fragment of a right mandibular ramus with m1-4 complete but worn). Its type locality is Cerro Observatorio, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
  • Garzonia captiva: MACN 5706, a mandible (right mandibular ramus with p3-m2 complete, and alveoli of m3-4). Its type locality is ShehuĂ©n, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
  • Garzonia minima: MACN 5709, a mandible (fragment of a right mandibular ramus with alveoli of m1 and m2-4 complete). Its type locality is Cerro Observatorio, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
  • Garzonia typica: MACN 5700, a mandible (fragment of a right mandibular ramus with p2-3 and m1-2 complete). Its type locality is Cerro Observatorio, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
  • Halmarhiphus nanus: MACN 5720, a mandible (fragment of a right mandibular ramus with alveoli of m1 and m4, and m2-3 complete but worn). Its type locality is Cerro Observatorio, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.
  • Pichipilus exilis: MACN 5698, a mandible (fragment of left mandibular ramus with alveoli of m2, m3 present but very worn, and alveoli of m4). Its type locality is Cerro Observatorio, which is in a Santacrucian terrestrial horizon in the Santa Cruz Formation of Argentina.

Ecology: scansorial insectivore

Distribution:

• Miocene of Argentina (4 collections)

Total: 4 collections including 10 occurrences

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Specimen images are retrieved through the ePANDDA API.


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