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- Title
A stem lineage representative of buttonquails from the Lower Oligocene of Germany – fossil evidence for a charadriiform origin of the Turnicidae.
- Authors
MAYR, GERALD; KNOPF, CHARLES W.
- Abstract
A new species of the charadriiform taxon Turnipax Mayr, 2000 is described from the Lower Oligocene fossil site Frauenweiler in southern Germany. The postcranial skeleton assigned to Turnipax oechslerorum sp. nov. is very well preserved and allows the recognition of significant, previously unknown osteological details of Turnipax, especially concerning the wing and pectoral girdle bones. We provide evidence that Turnipax is a stem lineage representative of the Turnicidae (buttonquails) and synonymize Turnipacidae Mayr, 2000 with Turnicidae Gray, 1840. Turnipax is the earliest fossil representative of the Turnicidae, which otherwise have no Paleogene fossil record. Because recent molecular studies support a charadriiform origin of buttonquails, the mosaic distribution in the skeleton of Turnipax of derived features of the Turnicidae and non-turnicid charadriiform birds is of particular interest. Turnipax exhibits a more plesiomorphic morphology than extant Turnicidae, and we assume that its habitat and way of living differed from that of crown group Turnicidae, which may not have diversified before the spread of grasslands during the Oligocene and Miocene.
- Subjects
SOUTHERN Germany; TURNICIDAE; FOSSILS; CHARADRIIFORMES; BIRDS; SKELETON; MOLECULES; HABITATS; OLIGOCENE stratigraphic geology
- Publication
Ibis, 2007, Vol 149, Issue 4, p774
- ISSN
0019-1019
- Publication type
Article
- DOI
10.1111/j.1474-919X.2007.00712.x