A new, first fossil species of Ophioderma Mhller and Troschel, 1842 (Echinodermata: Ophiuroidea) (Late Miocene, Argentina)

A new species of Ophioderma Müller and Troschel, 1842 is described. The new species is the first fossil one of thegenus, and the third ophiuroid described for the Tertiary of South America. It is characterized by its large size, proximaldorsal arm plates arched, entire or irregularly fragmented in t...

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Detalles Bibliográficos
Autores: Martínez, Sergio, del Río, Claudia Julia
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2008
País:Argentina
Institución:Consejo Nacional de Investigaciones Científicas y Técnicas
Repositorio:CONICET Digital (CONICET)
Idioma:inglés
OAI Identifier:oai:ri.conicet.gov.ar:11336/110419
Acceso en línea:http://hdl.handle.net/11336/110419
Access Level:acceso abierto
Palabra clave:OPHIUROIDEA
OPHIODERMA
MIOCENE
ARGENTINA
https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
Descripción
Sumario:A new species of Ophioderma Müller and Troschel, 1842 is described. The new species is the first fossil one of thegenus, and the third ophiuroid described for the Tertiary of South America. It is characterized by its large size, proximaldorsal arm plates arched, entire or irregularly fragmented in two or three parts and lateral arm plates with four or fiveshort, flat spines of similar length with a finger-like outline.Key words: Ophiuroidea, Ophioderma, new species, Miocene, Argentina.