A new species of the genus Parastylodactylus Figueira, 1971 (Crustacea: Decapoda: Caridea: Stylodactylidae) from off Kollam, southwest coast of India Author Komai, Tomoyuki Author Shanis, Rajool text Zootaxa 2011 3140 60 68 journal article 45721 10.5281/zenodo.204482 3816ffc3-943d-4ab8-86d2-269c2b8c220f 1175-5326 204482 Key to species of Parastylodactylus 1. Fifth abdominal pleuron armed with posteroventral or posterolateral tooth......................................... 2 - Fifth abdominal pleuron unarmed......................................................................... 6 2. Carapace with 5–8 postrostral spines; sixth abdominal somite less than 2.0 times as long as fifth somite; telson armed with 4 or 5 pairs of dorsolateral spines............................................................................. 3 - Carapace with 11–16 postrostral spines; sixth abdominal somite 2.2–3.0 times as long as fifth somite; telson armed with 3 pairs of dorsolateral spines (merus-ischium of third pereopod with proximoventral spine).............. P. tranterae Cleva, 1990 3. Fifth abdominal pleuron with posterolateral tooth; merus-ischium of third pereopod with proximoventral spine (carapace with supraorbital tooth)..................................................................................... 4 - Fifth abdominal pleuron with posteroventral tooth; merus-ischium of third pereopod without proximoventral spine........ 5 4. Ventral rostral spines moderately long, subequal or only slightly longer than dorsal spines; telson with 5 pairs of dorsolateral spines; meri of third to fifth pereopods without dorsodistal spinule........................... P. hayashii (Komai, 1997) - entral rostral spines elongate, distinctly longer than dorsal spines; telson with 4 pairs of dorsolateral spines; meri of third to fifth pereopods each with dorsodistal spinule........................................... P. moluccensis Cleva, 1997 5. Rostrum less than 2.0 times as long as carapace; minute supraorbital tooth present near rostral base; hepatic groove shallow; branchiostegal tooth extending as far as antennal tooth................................... P. bimaxillaris (Bate, 1888) - Rostrum more than 2.0 times as long as carapace; carapace lacking supraorbital tooth; hepatic groove deep; branchiostegal tooth overreaching antennal tooth............................................................. P. s u l c a t u s sp. n. 6. Carapace with 12 postrostral spines (supraorbital tooth present).............................. P. semblatae Cleva, 1990 - Carapace with 5–8 postrostral spines..................................................................... 7 7. Rostrum with 5–9 ventral spines; minute supraorbital tooth present; dactyli of third and fourth pereopods appearing biunguiculate; merus-ischium of third pereopod without proximoventral spine....................... P. bimaxillaris (Bate, 1888) - Rostrum with less than 5 ventral spines; supraorbital tooth absent; dactyli of third and fourth pereopods not biunguiculate; merus-ischium of third pereopod with strong proximoventral spine.............................................. 8 8. Dactyli of third and fourth pereopods elongate, over half length of propodi, unarmed on flexor margin................................................................................................. P. longidactylus Cleva, 1990 - Dactyli of third and fourth pereopods shorter than half length of propodi, armed with accessory spinules on flexor margins...................................................................................... P. richeri Cleva, 1990