Stenopodidea, Bate, 1888

Chen, Chien-Lin & Chan, Tin-Yam, 2022, New records of spongicolid shrimps (Crustacea, Decapoda, Stenopodidea) from Taiwan, Zootaxa 5189 (1), pp. 255-266 : 264

Key to species of Stenopodidea of Taiwan

1. Body laterally compressed; carapace and pleon densely covered with spines; telson lanceolate, about 3 times longer than wide ................................................................................................... 2

-. Body depressed; carapace and pleon not densely covered with spines; telson triangular, subtriangular, or subquadrangular.. 3

2. Antennal scale with rows of spines on dorsal surface; chela of third pereiopod with several rows of dense spines on ventral surface................................................................................. Stenopus hispidus

-. Antennal scale only with some small spines proximally on dorsal surface; chela of third pereiopod with scattered spines on ventral surface............................................................................ Stenopus goyi

3. Gills simple, lacking lamellae or filaments............................................ Globospongicola spinulatus

-. Gills trichobranchiate with series of filamentous branches arranged around central axis.............................. 4

4. Carapace armed with cincture of spines along posterior margin of cervical groove............... Odontozona spiridonovi

-. Carapace without cincture of spines along posterior margin of cervical groove..................................... 5

5. Dactyli of fourth and fifth pereiopods uniunguiculate; exopod of third maxilliped well developed.... Engystenopus palmipes

-. Dactyli of fourth and fifth pereiopods biunguiculate, occasionally with additional small tooth at basal ventral unguis; exopod of third maxilliped usually rudimentary or absent............................................................ 6

6. Third pereiopod with propodus twice or more as long as wide; chela usually with dorsal and ventral margins entire; exopods of second and third maxillipeds absent................................................... Spongicoloides iheyaensis

-. Third pereiopod with propodus almost as long as wide; chela with dorsal and ventral margins serrated; exopods present on second maxilliped, rudimentary on third maxilliped...........................................................7

7. Carapace unarmed on lateral surface...................................................... Spongicola levigatus

-. Carapace armed with spines on lateral surface............................................................... 8

8. Merus of third pereiopod lacking prominent spine on lateral surface................................. Spongicola goyi

-. Merus of third pereiopod armed with prominent spines on lateral surface..................... Spongicola andamanicus