- cephalic constriction
- (Subclass Mystacocarida):Constriction delimiting anterior antennulary part of head from posterior part [McLaughlin, 1980].(Subclass Mystacocarida):Transverse groove dividing head (cephalon) into anterior (antennulary) and posterior parts [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.
Look at other dictionaries:
cephalic constriction — (ARTHROPODA: Crustacea) In Myastacocarida, a constriction delimiting anterior antennulary part of the head from the posterior part … Dictionary of invertebrate zoology
cephalon — A term that refers to the head of a crustacean [Brusca and Brusca, 2002]. Anterior region of the body bearing the antennules, antennae, eyes, mandibles, maxillules, and maxillae [Holdich and Jones, 1983]. Anteriormost tagma, bearing eyes, mouth,… … Crustacea glossary
antennulary part — (Subclass Mystacocarida): Region of head (cephalon) anterior to cephalic constriction. Bears antennules, four ocelli, two anteromedian lobes (rostral plate), and two anterolateral (lateral) lobes. (posterolateral corner: obtuse, right angled)… … Crustacea glossary
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