caudal siphon
(Class Ostracoda):
Posteroventral gape in valve margin; may be extended as tubular structure [Stachowitsch, 1992].
(Class Ostracoda):
Posteroventral opening in valve border; sometimes produced as tubular structure (Ostracoda) [McLaughlin, 1980].

Crustacea glossary. . 2011.

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