Uroptychus michaeli (Decapoda, Chirostylidae), a new species of deep-water squat lobster from north-western Australia and Taiwan

in Crustaceana
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Uroptychus michaeli sp. nov. is described from northwestern Australia and Taiwan. The new species closely resembles U. nigricapillis, to which northwestern Australian and some Taiwanese records had been previously referred. Uroptychus michaeli sp. nov. is readily distinguished from U. nigricapillis by the deeply excavate cervical groove on the carapace (versus shallow, weakly indicated), more elongate pereopods 2-4 in which the pereopod 2 merus is longer than the postorbital carapace length (versus shorter), and the proportionally longer pereopod 2 carpus, which is as long as or longer than half postorbital carapace length (versus less than half) and approximately twice the length of the dactylus (versus 1.2× or less).

Uroptychus michaeli (Decapoda, Chirostylidae), a new species of deep-water squat lobster from north-western Australia and Taiwan

in Crustaceana

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References

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    Uroptychus michaeli sp. nov., ovigerous female holotype (cl 11.0 mm, pcl 7.6 mm), AM P67832. A, dorsal habitus; B, carapace, right lateral view; C, cheliped, distal ventral view; D, cheliped, proximal ventral view; E, right antennule, distal peduncular segment, lateral view; F, right antenna, ventral view; G, right maxilliped 3, lateral view; H, right maxilliped 3 crista dentata; I, sternal plastron; J, telson; K, right pereopod 2 dactylus and propodus. Scales: A-D = 3.0 mm; E, F, H = 0.7 mm; G, I, J = 1.5 mm; K = 1.2 mm. (A-D and F-I modified after Ahyong & Baba, 2004.)

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