Reallocation of Cyamiocardium crassilabrum Dell, 1964, into Perrierina Bernard, 1897 (Bivalvia, Cyamiidae)

Re-examination of the holotype of Cyamiocardium crassilabrum Dell, 1964, allowed confirmation that the species was wrongly allocated to the genus Cyamiocardium. This material, together with additional specimens from the western Malvinas (Falklands) Islands allowed for a re-description of that specie...

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Bibliographic Details
Main Author: Zelaya, Diego Gabriel
Format: Article in Journal/Newspaper
Language:English
Published: Bailey-Matthews Shell Museum
Subjects:
SOUTHERN OCEAN
MOLLUSCA
BIVALVIA
SYSTEMATICS
https://purl.org/becyt/ford/1.6
https://purl.org/becyt/ford/1
Argentina
Southern Ocean
Online Access:http://hdl.handle.net/11336/242460
Description
Summary:Re-examination of the holotype of Cyamiocardium crassilabrum Dell, 1964, allowed confirmation that the species was wrongly allocated to the genus Cyamiocardium. This material, together with additional specimens from the western Malvinas (Falklands) Islands allowed for a re-description of that species. The species is also properly illustrated through scanning electron microscopy, and its updated generic placement discussed. The presence of a “taxodont” hinge plate is the main morphological character supporting the re-allocation of this species in the genus Perrierina Bernard, 1897. Information on the brooding condition of the species is provided. Fil: Zelaya, Diego Gabriel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División de Zoología Invertebrados; Argentina

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