cirrus
Multiarticulate food-gathering appendage of "thoracic" region of cirriped, normally one of six pairs, each with two long hairy rami curled towards mouth [Moore and McCormick, 1969].
Penes; specialized reproductive organ of pentastomids; the term penes can also refer to reproductive appendages or structures in other taxa [Brusca and Brusca, 2002].
(Subclass Cirripedia):
() [Anderson, 1980].
Lepas anatifera: cirrus V; cirrus I, and extended cirral fan. [Anderson, 1980]
(Subclass Cirripedia):
One of up to six pairs of elongate appendages of thorax regions (those of ascothoracican being termed thoracopods). Biramous, basically consisting of proximal protopod and distal endopod and exopod. Reduced and set-off pair of cirri in acrothoracican are termed mouth cirri. (uniramous, biramous; acanthopodus, ctenopodous, lasiopdous) [Stachowitsch, 1992].
(Subclass Cirripedia):
Thoracic, usually biramous, multiarticulate appendage generally flattened laterally and curled anteriorly, with food-gathering function; anterior and posterior margins designated lesser and greater curvature respectively. (Pl. cirri) [McLaughlin, 1980].

Crustacea glossary. . 2011.

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