A new early miocene species of Ophiocrossota (ophiuroidea) from Southern Patagonia, Argentina

The first South American species of Ophiocrossota CLARK, 1928, O. kollembergorum n. sp., is described, extending the known geographical range of the genus to Argentina. The new species is characterized by its large radial shields, proximally in contact within, but separated distally by the triangula...

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Bibliographic Details
Authors: Caviglia, Sergio, Martinez, Sergio, del Río, Claudia Julia
Format: article
Status:Published version
Publication Date:2007
Country:Argentina
Institution:Consejo Nacional de Investigaciones Científicas y Técnicas
Repository:CONICET Digital (CONICET)
Language:English
OAI Identifier:oai:ri.conicet.gov.ar:11336/135362
Online Access:http://hdl.handle.net/11336/135362
Access Level:Open access
Keyword:ARGENTINA
CHENQUE FORMATION
MIOCENE
OPHIOCROSSOTA KOLLEMBERGORUM
OPHIUROIDEA
https://purl.org/becyt/ford/1.5
https://purl.org/becyt/ford/1
Description
Summary:The first South American species of Ophiocrossota CLARK, 1928, O. kollembergorum n. sp., is described, extending the known geographical range of the genus to Argentina. The new species is characterized by its large radial shields, proximally in contact within, but separated distally by the triangular plates, and by its large and elongate oral shields, that cover most of the interradial area.