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