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- Title
The first possible remingtonocetid stem whale from North America.
- Authors
UHEN, MARK D.; PEREDO, CARLOS MAURICIO
- Abstract
Remingtonocetid cetaceans are a group of stem whales known from the Indo-Pakistan and North African Tethys Ocean. An unusual tooth was discovered by Peter J. Harmatuk in 1973 in the middle Eocene Superior Stone Quarry (now the Martin Marietta Quarry) near Castle Hayne, North Carolina, USA. Here we identify this tooth as a premolar of a possible member of the Remingtonocetidae, which would extend the range of this family across the Atlantic to eastern North America. This partial tooth includes most of the crown (missing the mesial end) and the posterior root. The tooth bears a single central cusp and a worn accessory cusp on the posterior end. This tooth most closely resembles premolars of Remingtonocetus and is rather dissimilar to premolars of other archaeocetes known from the middle Eocene of North America, such as the families Protocetidae and Basilosauridae. This new record potentially expands the geographic distribution of the amphibious cetacean family Remingtonocetidae across the Atlantic.
- Subjects
NORTH America; PAKISTAN; CETACEA; UNIVERSITY of North Carolina at Chapel Hill; QUARRIES &; quarrying; EOCENE Epoch; WHALES; BICUSPIDS; WHALING
- Publication
Acta Palaeontologica Polonica, 2021, Vol 66, Issue 1, p77
- ISSN
0567-7920
- Publication type
Article
- DOI
10.4202/app.00799.2020