Taxonomy of Shellfish

Unit 5 -Key to important species the family Penaeidae

5.3.2. Parapenaeopsis longipes

• Branchiostegal spine absent
• No trace of hepatic crest
• Longitudinal and transverse sutures present
• Fifth pereopod exceeding antennal scale by length of dactyl
• Petasma with distolateral lobes spout-like and as long as distomedian ones
• In females, anterior plate of thelycum semicircular, articulating to intermediate plate and with a median groove which continues on intermediate plate
• The latter is broad, quadrate and continuous to posterior sternal plate