Biology:Hegetotheriidae
Hegetotheriidae is an extinct family of notoungulate mammals known from the Oligocene through the Pliocene of South America.[1][2] The family underwent many sequential radiation events throughout the Cenozoic, which led to Hegetotheriids being among the most diverse of the Typotheria.[3]
Description
Hegetotheriids are anatomically convergent with caviomorph rodents, possessing hypertrophied (enlarged) incisors. The incisors of Hegetotheriids are also hypsodont, scalpriform and procumbent, indicating a diet of abrasive plants. This is due to the fact that Hegetotheriids, living in the southernmost portions of South America, had a diet consisting of both Neotropical and Andean flora.[3]
Classification
Hegetotheriidae is placed in Typotheria, a clade of rodent-like notoungulates. Historically, there has been debate as to whether Hegetotheriidae should be split from the other Typotheres,[4] though this view is not upheld.[3]
References
- ↑ McKenna, Malcolm C., and Bell, Susan K. 1997. Classification of Mammals Above the Species Level. Columbia University Press, New York, 631 pp. ISBN 0-231-11013-8
- ↑ "Fossilworks: Hegetotheriidae". https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=43439.
- ↑ 3.0 3.1 3.2 (in en) Phylogeny and paleobiogeography of Hegetotheriidae (Mammalia, Notoungulata), Taylor & Francis, 2017-04-07, doi:10.6084/m9.figshare.4743550.v1, https://tandf.figshare.com/articles/dataset/Phylogeny_and_paleobiogeography_of_Hegetotheriidae_Mammalia_Notoungulata_/4743550/1, retrieved 2025-09-05
- ↑ Ameghino, Florentino (1889) (in es). Contribucion al conocimiento de los mamiferos fosiles de la República Argentina: Obra escrita bajo los auspicios de la Academia nacional de ciencias de la República Argentina para ser presentada á la Exposicion universal de Paris de 1889. P. E. Coni é hijos. https://books.google.com/books?hl=en&lr=&id=27syAQAAMAAJ&oi=fnd&pg=PA1&dq=hegetotherium&ots=dt6ynjC5A1&sig=xAZIRDpr1aYlcC54DM4TSAGyFb4#v=snippet&q=hegetotheriidae&f=false.
Template:Meridiungulata Wikidata ☰ Q508615 entry
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