Species monodon
Penaeus (Penaeus) monodon
- Fifth pereopod without an exopod
- Hepatic carina straight, almost horizontal, distictly separated from
base of antennal carina
- Adrostral carina and groove extending as far as, or slightly ahead
of apigastric tooth
- Antennal carina very prominent, ending above middle of hepatic carina
- Gastro-orbital carina extending over posterior half, or less of distance
between hepatic spine and orbital margin
- Petasma with distomedian projection slightly overhanging distal margin
of costae
- Ventral costae generally unarmed, sometimes minutely serrate at tip
- Outer surface of lateral lobes generally unarmed
- Inner surface of lateral lobes armed with spinules
- Thelycum with lateral plates, their median margin sometimes forming
tumid lips
- Anterior process concave rounded distally
- Posterior process subtriangular, partly inserted between thelycal plates.