Carapace smooth and glabrous. Rostrum straight, lanceolate and slightly ascending, reaching to tip
of basal segment of antennular peduncle, armed with 9 to 10 teeth on upper margin. Post-rostral carina
feeble, becoming distinct towards posterior region of carapace. Orbital angle dentiform. Post-orbital,
antennal and hepatic spines small, thin and sharp. No branchiostegal or pterygostomian spine. Cervical
groove oblique, deep and broad on sides, continues with that on the other side through very faint notch on
post-rostral carina. Branchiostegal sulcus originates from angle of inferiolateral curve and runs backwaters
towards posterior border of carapace (fig. 28)
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