Second or distal segment of the protopodite of antenna, to which are attached the scale and peduncle [Butler, T.H.].
Second segment of antennal peduncle (in Caridea bearing scaphocerite) [Moore and McCormick, 1969].
Second segment of antennal peduncle, bearing scaphocerite (Caridea) [McLaughlin, 1980].
Spine on dorsal side of basis of antenna; sometimes more lateral than dorsal [Martin, 2005].
(Order Decapoda):
In antenna, term applied to second of two segments (coxicerite, basicerite) of peduncle; may bear antennal scale (scaphocerite). See: carpocerite, ischiocerite, merocerite [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.