Crustacea glossary. Natural History Museum of Los Angeles County. 2011.
peduncle — A stalk like structure [AHD]. Basal portion of certain appendages; also fleshy part of body in some cirripeds (Lepadomorpha), between capitulum and attachment to substrate with or without armor of chitinous or calcareous beads, scales, or… … Crustacea glossary
stylocerite — A spine arising from the lateral margin of the first segment of the antennular peduncle in shrimps [Chace and Hobbs, 1969]. Pointed scale arising from the lateral base of the first segment of the antennular peduncle (Fig. 3B) [Perez Farfante and… … Crustacea glossary
prosartema — Long, thin, ciliated lobe arising dorsally from proximomesial border of first antennular segment and extending anteriorly; found in Penaeidae. (Syn. dorsal eye brush) [Williams, 1984]. Process arising from mesial margin of first article of… … Crustacea glossary
flagellum — A long, multi segmented sensory appendage found at the distal ends of the antennae [Mauchline, 1984]. Antennal endopodite; thin, tapering, multiarticulate, elongate extension of antenna and antennule (distal to peduncle) [Hobbs and Jass, 1988].… … Crustacea glossary
statocyst — Cavity filled with fluid and particles acting as organ of orientation [Poore, 2004]. Diminutive organ providing sense of balance [McLaughlin, 1980]. Organ of balance at base of antennular peduncle in brachyurans [Ingle, 1992]. Sensory organ of… … Crustacea glossary
stylocerite — n. [Gr. stylos, pillar; keras, horn] (ARTHROPODA: Crustacea) A rounded or spiniform process on the outer part of the proximal segment of the antennular peduncle; antennular scale … Dictionary of invertebrate zoology
prosartema — n. [Gr. pros, forward; artema, earring] (ARTHROPODA: Crustacea) In Decapoda, a row of dense setae on the inner margin of the basal segment of the antennular peduncle; also called eye brush … Dictionary of invertebrate zoology
antennule — First cephalic appendage, usually with peduncle of three articles and two multiarticulate flagella (sometimes antenna 1) [Poore, 2004]. First pair of cephalic appendages (antenna 1) [Holdich and Jones, 1983]. First pair of feelers, or antennae… … Crustacea glossary
antenna — ( ) [Baba, 2005]. Antennal peduncle consisting of 5 articles, based on Uroptychus. [Baba, 2005] Mobile sensory appendages arising below the eyes at the front of the head. There are two pairs of these appendages, the first and second antennae. The … Crustacea glossary
aesthetasc(s) — See: esthetasc [Martin, 2005]. A long, tubular, sensory seta having thin cuticle, found on the antennula or antenna. Aesthetascs may have a chemosensory function, because males generally have more of these structures than females [Wilson, 1989].… … Crustacea glossary
