Two new species of the shrimp genus Lebbeus White from the Sea of Japan, with redescription of Lebbeus kuboi Hayashi (Decapoda: Caridea: Hippolytidae)

Abstract

A b s t r ct. r o n e w species of hippolytid shrimp L e b b e u s eleg n s sp. nov. and L. poly cnthus sp. nov. are described f r o m the S e a of J a p a n at depths of 250-400 m. L e b b e u s eleg n s is characterized b y the absence of epipods o n the second a n d third pereopods distinct ventral blade of the rostrum and the rounded fourth abdominal pleuron. L e b b e u s poly cnthus is compared with L. nt rctic( H a l e 1941) L. C rintus Zarenkov 1976 a n d L. w shingtonin u s ( R a t h b u n 1902). L e b b e u s poly cnthus 'ers from the latter three species e m o r e posteriorly arising posteriormost tooth of the dorsal rostral series and m o r e numerous lateral spines o n the meri of the third to fifth pereopods. Examination of the n e w l y obtained material of L. k u b o i