megalopa

A larva with setose pleopods, used for swimming, on some or all abdominal segments [Ingle, 1983].

First postlarval stage in development of many Eucarida [McLaughlin, 1980].

First postlarval stage in ontogeny of crabs, not developed in macruran decapods or other crustaceans. (Syn. megalops stage) [Moore and McCormick, 1969].

Term often used to refer to the first postlarval stage in the Amphionidacea, Caridea, and Brachyura [Brusca and Brusca, 2002].

Terminal larval stage in Brachyura and Anomura [Poore, 2004].

The postlarval stage of a brachyuran crab [Bliss, 1982].

(Order Decapoda):

Postlarva [Stachowitsch, 1992].