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3 October 2019 Phylogenetic relationships of Nyctereutes Temminck, 1838 (Canidae, Carnivora, Mammalia) from early Pliocene of Çalta, Turkey
Thibault Daguenet, Sevket Sen
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Abstract

The locality of Çalta has yielded one of the richest collection of fossil canids belonging to the raccoon dog genus NyctereutesTemminck, 1838. This locality is situated in central Anatolia and its age is determined as early Pliocene, c. 4 Ma. Ginsburg (1998) studied these canid remains and identified them as N. donnezani, which was previously known from some early Pliocene localities in southern France and Spain. Some later studies questioned this attribution. The present study provides a new description of all available material, housed in collections in Paris, Lyon and Ankara, and a detailed comparison of the cranial and dental characters with other known species of Nyctereutes. This study is completed by a cladistic analysis of cranial and dental characters to document the phylogenetic relationships of the Çalta raccoon dog. This analysis was done on the locality-based data, using the main occurrences of each species. Both morphological and cladistic analyses favour attribution of the Çalta raccoon dog to N. donnezani, in agreement with Ginsburg (1998). In addition, this study reveals that possible sexual dimorphism in the size and proportions of some cranial elements, such as stronger sagittal and nuchal crests, a better defined temporal line, a thicker zygomatic process of the maxillary bone, a braincase that is elongated but less round and, in particular, stronger subangular lobe in male individuals.

© Publications scientifiques du Muséum national d'Histoire naturelle, Paris.
Thibault Daguenet and Sevket Sen "Phylogenetic relationships of Nyctereutes Temminck, 1838 (Canidae, Carnivora, Mammalia) from early Pliocene of Çalta, Turkey," Geodiversitas 41(1), 663-677, (3 October 2019). https://doi.org/10.5252/geodiversitas2019v41a18
Received: 21 December 2018; Accepted: 28 March 2019; Published: 3 October 2019
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KEYWORDS
Canidae
Nyctereutes
phylogeny
Pliocene
sexual dimorphism
Turkey
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