- rostral spine
- Median spine resembling a rostrum, adjacent to frontal margin of carapace on shrimps or genus Argis [Butler, T.H.].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.
rostral spine
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rostrum — (1) Anteriorly projecting, unpaired, usually rigid median extension of carapace between eyes or ocular peduncles; (2) anterior beaklike projection of valve margins overhanging incisure or notch (Ostracoda); (3) unpaired anteroventral plate of… … Crustacea glossary
