Zenometridae: Brief Summary
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Zenometridae is a family of echinoderms belonging to the order Comatulida.
Genera:
Psathyrometra Clark, 1907
Sarametra Clark, 1917
Zenometra Clark, 1907
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Classification
provided by World Register of Marine Species
Described by Clakrk as a subfamily of the Antedonidae
Messing CG, White CM (2001). A revision of the Zenometridae (new rank)(Echinodermata, Crinoidea, Comatulidina). Zoologica Scripta 30(3):159-180
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Description
provided by World Register of Marine Species
A family of Antedonoidea with centrodorsal completely hollow with little if any overhanging oral rim and without interior radial or interradial pockets or pits. Cirrus sockets with concave fulcral bowl surrounding central lumen; proximal facet of first cirral with corresponding large boss. Basals forming thin, complete circlet with large central lumen, each visible externally as pentagonal extension of one of the centrodorsal interradial ridges (or flat strips), often extending laterally as extremely narrow strip in deep subradial clefts; adjacent basals meeting midradially in external view or not.
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