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Chulpasia

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Extinct genus of marsupials

Chulpasia
Temporal range: Early Eocene (Itaboraian)
~48 Ma PreꞒ O S D C P T J K Pg N
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Polydolopimorphia
Subfamily: Chulpasiinae
Genus: Chulpasia
Crochet & Sigé, 1993
Type species
Chulpasia mattaueri

Chulpasia is an extinct genus of Eocene marsupial related to today's shrew opossums. It was a small animal, about 20 centimetres (7.9 in) long, with an omnivorous diet. Its diet probably included seeds, small fruits, and insects. Fossils were found in the Muñani Formation in present-day Peru.

Australian conundrum

In 2009 Bernard Sigé et al. described a marsupial fossil found on the Eocene Murgon fossil site, Queensland. Referring to the specimen as Chulpasia jimthorselli, they exhibited this find as an example of Gondwanan faunal interchange between South America and Australia during the early Paleogene.

However, more recent re-evaluations showcase that this specimen has nothing referrable to Chulpasia or any of its close relatives, and instead identified it as a metatherian incertae sedis. For now, the genus, as well as paucituberculates in general, remain exclusively South American.

References

  1. Goin, Francisco; Woodburne, Michael; Zimicz, Ana Natalia; Martin, Gabriel M.; Chornogubsky, Laura (2015). A Brief History of South American Metatherians: Evolutionary Contexts and Intercontinental Dispersals. Springer. p. 109. ISBN 978-94-017-7420-8.
Metatheria
Synapsida
Cynodontia
Mammalia
Metatheria
    • see below↓
Metatheria
Metatheria
Deltatheroida
Deltatheridiidae
Marsupialiformes
Sparassodonta
    • see below↓
Asiatheriidae
Archimetatheria
Stagodontidae
Pediomyoidea
Peradectidae
Alphadontidae
Herpetotheriidae
Anatoliadelphyidae
Polydolopimorphia
    • see below↓
Marsupialia
Didelphodon vorax

Alphadon sp.

Herpetotherium fugax
Sparassodonta
Sparassodonta
Hathliacynidae
Borhyaenoidea
Borhyaenidae
Proborhyaenidae
Thylacosmilidae
Thylacosmilus atrox
Polydolopimorphia
Polydolopimorphia
Bonapartheriiformes
Bonapartheriidae
Argyrolagidae
Chulpasiinae
Prepidolopidae
Rosendolopidae
Polydolopiformes
Polydolopidae
Sillustaniidae
Argyrolagus palmeri
Taxon identifiers
Chulpasia


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