Abstract
A new mysid, Mysidella hoshinoi sp. n. is described from Izu-Oshima Island, Sagami Sea, central Japan. This species differs from its congeners in having a posterodorsal finger-like papilla on the eyestalk, five peculiar spines terminating in plumed seta on outer margin of carpopropodus of endopod of first thoracopod, and uropodal endopod bearing 27 spines on inner margin.
Highlights
Eyestalk with posterodorsal finger-like papilla; carpopropodus of endopod of first thoracopod with five peculiar spines terminating in plumed seta on outer margin; terminal claw of carpopropodus of endopod of first thoracopod
Endopod of third thoracopod (Fig. 4A): preischium trapezoidal; ischium 3.0 times as long as preischium; merus 1.1 times as long as ischium; carpopropodus divided into two subsegments, 0.8 times as long as merus; dactylus small, with strong terminal claw
Endopod of fourth thoracopod (Fig. 4B): preischium trapezoidal; ischium 3.0 times as long as preischium; merus 0.9 times as long as ischium; carpopropodus divided into two subsegments, 0.7 times as long as merus; dactylus small, with strong terminal claw
Summary
A new species from Izu-Oshima Island, Japan... Endopod of third thoracopod (Fig. 4A): preischium trapezoidal; ischium 3.0 times as long as preischium; merus 1.1 times as long as ischium; carpopropodus divided into two subsegments, 0.8 times as long as merus; dactylus small, with strong terminal claw.
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