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Proticia

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Extinct genus of mammals
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Proticia
Temporal range: Eocene
~52–50 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: Pyrotheria
Family: Colombitheriidae
Genus: Proticia
Patterson 1977
Type species
Proticia venezuelensis
Patterson, 1977
Species
  • P. venezuelensis Patterson 1977

Proticia is an extinct genus of mammals belonging to the order Pyrotheria. It lived during the Early Eocene, and its fossilized remains were discovered in South America.

Description

This animal is only known from a fragmentary mandible preserving several teeth, and it is therefore impossible to reconstruct its exact appearance.

Proticia's teeth had a bunodont structure, and their characteristic were similar to its enigmatic relative Colombitherium; the molars and premolars, however, possessed more bulbous cusps and the lophids had disappeared.

Classification

Proticia venezuelensis was first described in 1977 by Bryan Patterson, based on an incomplete mandible preserving the third premolar and the first molar. It is likely that Proticia was similar to Colombitherium, another enigmatic large mammal from the South American Eocene, probably more recent. Patterson found the remains of Proticia in the Lara State of Venezuela, in soils probably belonging to the upper part of the Trujillo Formation (Lower Eocene). It is unclear, however, whether the fossils of Proticia also date back to the Early Eocene.

Bibliography

  • B. Patterson. 1977. A primitive pyrothere (Mammalia, Notoungulata) from the early Tertiary of Northwestern Venezuela. Fieldiana Geology 33(22):397-422
  • Billet, G., Orliac, M., Antoine, P.-O., Jaramillo, C. A. 2010. New observations and reinterpretation on the enigmatic taxon Colombitherium (?Pyrotheria, Mammalia) from Colombia. Palaeontology, 53(2): 319-325.
Genera of South American native ungulates
Xenungulata, Pyrotheria, Astrapotheria, and other minor groups
Kollpaniidae?
Didolodontidae
Protolipternidae
Xenungulata
Carodniidae
Pyrotheria
Colombitheriidae
Pyrotheriidae
Astrapotheria
Trigonostylopidae
Astrapotheriidae
Albertogaudryinae
Astrapotheriinae
Uruguaytheriinae
Carodnia vieirai

Pyrotherium romeroi

Astrapotherium magnum
Litopterna
Eulitopterna
Adianthidae
Macraucheniidae
Cramaucheniinae
Macraucheniinae
Proterotherioidea
Anisolambdidae
Anisolambdinae
Sparnotheriodontinae
Proterotheriidae
Megadolodinae
Proterotheriinae
Notopterna
Amilnedwardsiidae
Indaleciidae
Notonychopidae
Incertae sedis
Theosodon garretorum Xenorhinotherium bahiense
Notoungulata
incertae sedis
Notioprogonia
Henricosborniidae
Notostylopidae
Toxodontia
Homalodotheriidae
Isotemnidae
Eutoxodontia
Leontiniidae
Notohippidae
Toxodontidae
Nesodontinae
Toxodontinae
Typotheria
Archaeopithecidae
Oldfieldthomasiidae
Interatheriidae
Interatheriinae
Notopithecinae
Mesotheriidae
Mesotheriinae
Archaeohyracidae
Hegetotheriidae
Hegetotheriinae
Pachyrukhinae
Pachyrukhini
Thomashuxleya rostrata

Huilatherium pluriplicatum

Toxodon platensis
Taxon identifiers
Proticia
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