Print ISSN: 0031-0247
Online ISSN: 2274-0333
Eocene otoliths (Clinchfield Formation), Georgia
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Early adaptive radiation of Theridomorpha
Evolution et extinction des reptiles marins au Mésozoïque
La palichnofaune de vertébrés tétrapodes du permien supérieur du Bassin de Lodève (Languedoc-France).Footprints; France; Languedoc; Lodève basin; new ichnotypus; Saxonian; Upper Permian
Cite this article: Gand G., Garric J., Demathieu G., Ellenberger P., 2000. La palichnofaune de vertébrés tétrapodes du permien supérieur du Bassin de Lodève (Languedoc-France). Palaeovertebrata 29 (1): 1-82.
Near "la Lieude", in the Lodève basin, more than a thousand of footprints are distributed in a twenty of trackways which amounts to 220 m length. They have been found on calcareous siltstone level in the B site named also "Réserve Naturelle Volontaire". This last is located in the Saxonian summit dated Upper Permian. "La Lieude" tracks are described by using statistical methods then they are compared with others from the world Permian. What allows to distinguish 4 following ichnotaxa: Lunaepes ollierorum nov.ichnosp., Merifontichnus thalerius nov. ichnogen. and nov. ichnosp., Planipes brachydactylus nov.ichnosp. and Brontopus circagiganteus nov. ichnosp. All these traces are attributed with possibility or probability to Therapsida or to Therosauria, except Brontopus circagiganteus nov. ichnosp. that could be due to Caseamorpha. All these animals whose sizes have been estimated between l and 5 m lived probably in a playa environment.The biological and sedimentological data from "la Lieude" footprints levels compared with informations provided by the tracks orientations, suggest the following scenario. Animals coming from the North have crossed a sandy channel bank with plants zones by directing to the South for the majority. Maybe, they were going to the lacustrine part of the playa, close to "la Lieude" footprints that they have just trampled on.
Published in Vol. 29, Fasc. 1 (2000)