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Article: A new placodont from the Upper Triassic of Spain provides new insights on the acquisition of the specialized skull of Henodontidae

Papers in Palaeontology - Volume 4 Part 4 - Cover
Publication: Palaeontology
Volume: 4
Part: 4
Publication Date: November 2018
Page(s): 567 576
Author(s): Carlos de Miguel Chaves, Francisco Ortega, and Adán Pérez‐García
DOI: 10.1002/spp2.1218
Addition Information

How to Cite

CHAVES, C.D.M., ORTEGA, F., PéREZ‐GARCíA, A. 2018. A new placodont from the Upper Triassic of Spain provides new insights on the acquisition of the specialized skull of Henodontidae. Papers in Palaeontology, 4, 4, 567-576. DOI: /doi/10.1002/spp2.1218

Author Information

  • Carlos de Miguel Chaves - Grupo de Biología Evolutiva Facultad de Ciencias UNED Paseo de la Senda del Rey 9 28040 Madrid Spain
  • Francisco Ortega - Grupo de Biología Evolutiva Facultad de Ciencias UNED Paseo de la Senda del Rey 9 28040 Madrid Spain
  • Adán Pérez‐García - Grupo de Biología Evolutiva Facultad de Ciencias UNED Paseo de la Senda del Rey 9 28040 Madrid Spain

Publication History

  • Issue published online: 03 November 2018
  • Manuscript Accepted: 08 March 2018
  • Manuscript Received: 15 January 2018

Funded By

FPI UNED. Grant Number: 0271864713 Y0SC001170
Ayudas para Estancias breves en España y en el extranjero 2017 of the UNED
Viceconsejería de Cultura of the Consejería de Educación, Cultura y Deportes of Castilla–La Mancha. Grant Number: SBPLY/15/180601/000044

Online Version Hosted By

Wiley Online Library
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Abstract

Henodus chelyops Huene is considered to be a highly autapomorphic cyamodontoid placodont with specialized trophic adaptations relative to all the other members of Placodontia. It has been exclusively found in the Carnian (Upper Triassic) of Tübingen (Germany). Here we present a partial skull identified as a new cyamodontoid placodont from the Upper Triassic of El Atance (Guadalajara Province, Spain), Parahenodus atancensis gen. et sp. nov. It is recognized as the sister taxon of Hchelyops, both taxa composing the clade Henodontidae. An emended diagnosis for Hchelyops and Henodontidae is given here. Parahenodus atancensis shares with Hchelyops several cranial characters considered until now to be autapomorphic for the latter, but it also retains some states common in most cyamodontoids. Thus, the discovery of Patancensis provides new information on the acquisition process of the highly specialized skull of the Henodontidae.

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