carapace costellae

carapace costellae
Fine radial ridges that run from ventral margin to and across umbo, and are usually numerous on any given valve (e.g. Conchostraca) [Moore and McCormick, 1969].
(Order Diplostraca):
Fine radial ridges extending from ventral margin across umbo [McLaughlin, 1980].

Crustacea glossary. . 2011.

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Look at other dictionaries:

  • carapace costellae — (ARTHROPODA: Crustacea) Fine radial ridges, extending from the ventral margin to and across the umbo, generally numerous on any given valve, especially in Conchostraca …   Dictionary of invertebrate zoology

  • conchostracan carapace interval — (ARTHROPODA: Crustacea) Any space between two ribs, costae, or costellae of the conchostracan carapace …   Dictionary of invertebrate zoology

  • conchostracan carapace interval — Space between any 2 ribs, costae, or costellae on conchostracan carapace [Moore and McCormick, 1969] …   Crustacea glossary

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