Copepoda — noun minute planktonic or parasitic crustaceans • Syn: ↑subclass Copepoda • Hypernyms: ↑class • Member Holonyms: ↑Crustacea, ↑class Crustacea • Member Meronyms: ↑ … Useful english dictionary
Copepoda — An order of abundant, free living, freshwater and marine crustaceans of basic importance in the aquatic food chain in both the marine and freshwater environments; some species are commonly called water fleas. Some are ectoparasites of both cold… … Medical dictionary
subclass Entomostraca — noun in some older classifications includes the Branchiopoda and Copepoda and Ostracoda and Cirripedia; no longer in technical use • Syn: ↑Entomostraca • Hypernyms: ↑class • Member Holonyms: ↑Crustacea, ↑class Crustacea … Useful english dictionary
anal operculum — (Subclass Copepoda): A small median process on dorsal surface of the anal somite protecting the anus [Boxshall and Halsey, 2004]. (Subclass Copepoda): Lid like structure covering anus. (smooth, toothed) [Stachowitsch, 1992] … Crustacea glossary
antrum — (Subclass Copepoda): Atrium [Stachowitsch, 1992]. (Subclass Copepoda): In female reproductive system, invagination of ventral surface (sternite) of first abdominal segment (genital somite). Recieves common opening of both oviducts and openings of … Crustacea glossary
bulla — (Subclass Copepoda): A small, chitinous anchor like structure fused to the tips of the maxillary arms in lernaeopodid copepods, that is embedded in the surface of the host fish to serve as an anchor [Boxshall and Halsey, 2004]. (Subclass… … Crustacea glossary
chalimus — (Subclass Copepoda): One of up to four stages in copepodid phase of development of caligid like parasitic copepods; the chalimus usually is attached to the host, often by a frontal filament held by maxilla 2. The first chalimus is molted from the … Crustacea glossary
genital somite — (Subclass Copepoda): Segment of body bearing gonopores. Typically corresponds to first abdominal segment, yet also to fused last thoracic and first abdominal somites. May be enlarged in parasitic female. (Syn. genital complex) [Stachowitsch,… … Crustacea glossary
syncoxa — (Subclass Copepoda): A segment complex of the praecoxa and the coxa of a protopod [Ferrari and Dahms, in press]. (Subclass Copepoda): A segment formed by the fusion or failure to separate of praecoxa and coxa [Boxshall and Halsey, 2004] … Crustacea glossary
oral cone — (Subclass Cirripedia): ( ) [Anderson, 1980]. Lepas anatifera: left valve removed. [Anderson, 1980] (Subclass Cirripedia): ( ) [Anderson, 1980]. Lepas anatifera: rostral view; and left valve and cirri removed. [Anderson, 1980] (Subclass… … Crustacea glossary