(dorsal) locking folds
Paired projections of the male's first pleopod's dorsal cuticle. They form a seat for the medial edge of the second pleopods, allowing both pairs of pleopods to function together during mating or as an operculum [Wilson, 1989].

Crustacea glossary. . 2011.

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  • chondrichthian — /kon drik thee euhn/, n. any member of the class Chondrichthyes, comprising the cartilaginous fishes. [ < NL, equiv. to chondr CHONDR + Gk ichthýes (pl.) fish] * * * ▪ fish class Introduction class name  Chondrichthyes,  or  Selachii    any… …   Universalium

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