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.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • 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… …   Crustacea glossary

  • 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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