preanal carina
A rigid keel protruding from the ventral midline of the sixth abdominal somite between the insertions of the uropods in certain shrimps [Chace and Hobbs, 1969].

Crustacea glossary. . 2011.

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  • telson — ( ) [Baba, 2005]. Entire animal, right appendages omitted, dorsal view, based on Munida. [Baba, 2005] Last somite of body, bearing arms and commonly caudal furca or pair of cerci, growth zone for postcephalic somites located at its anterior edge …   Crustacea glossary

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