(Class Ostracoda):
In closing apparatus of valve, ridge-like inner margin formed by projecting outer lamella. Fits into flange groove of opposite valve. (See also list, selvage) [Stachowitsch, 1992].
(Class Ostracoda):
Ridge along valve margin formed by projection of outer lamella as narrow brim [McLaughlin, 1980].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.