Ichthyolestes
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| Ichthyolestes | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Ichthyolestes ( Ichthyolestes pinfoldi ) |
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| Temporal occurrence | ||||||||||||
| Eocene | ||||||||||||
| 50 million years | ||||||||||||
| Locations | ||||||||||||
| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Ichthyolestes pinfoldi | ||||||||||||
| Dehm & Oettingen-Spielberg, 1958 | ||||||||||||
Ichthyolestes ("fish thief") is a genus of extinct early whales of the Pakicetidae family that were native to northern Pakistan and lived in the lutetium .
Ichthyolestes, the oldest of the Pakicetids , had semicircular canals in the inner ear the size of the living relatives of the Cetaceans, the Artiodactyls, as opposed to the smaller size found in later Pakicetids and Protocetids such as Remingtonocetus, Indocetus, and Dorudon and extant whales.
Initial description
- Richard Dehm, Therese zu Oettingen-Spielberg: Paleontological and geological investigations in the Tertiary of Pakistan. 2. The Middle Eocene mammals of Ganda Kas near Basal in northwest Pakistan. Bavarian Academy of Sciences, math and science class, treatises, new series. 91. C. Becksche Verlagsbuchhandlung, Munich 1958 ( PDF on ZOBODAT ).
literature
- Sirpa Nummela, S. Taseer Hussain, JGM Thewissen: Cranial Anatomy of Pakicetidae (Cetacea, Mammalia) . In: Journal of Vertebrate Paleontology . tape 26 , no. 3 , 2006, ISSN 0272-4634 , p. 746-759 , JSTOR : 4524618 .
- JG Thewissen, EM Williams, LJ Roe, ST Hussain: Skeletons of terrestrial cetaceans and the relationship of whales to artiodactyls . In: Nature . tape 413 , no. 6853 , September 20, 2001, p. 277-281 , doi : 10.1038 / 35095005 , PMID 11565023 .
- Paul Janositz: Evolution: Pigs went underground . In: Der Tagesspiegel. September 19, 2001 ( tagesspiegel.de ).
- Science: Ancestors of the whales ran across the land . In: Frankfurter Allgemeine Zeitung . September 19, 2001 ( faz.net ).
Web links
- The early primeval whales of Indopakistan cetacea.de