Penaeus (Melicertus) canaliculatus
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Telson unarmed
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Adrostral crest and groove long, extending almost to posterior margin of
carapace, the groove wide
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Last abdominal segment colour bands reaching the ventral margin
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Petasma with short distomedian projections, reaching or slightly overhanging
distal margin of costae.
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Ventral costae broadened apically and bearing minute spinules at tip, outer
surface of lateral lobes not tuberculate
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Thelycum with lateral plates, their anteromedian margins diverging, then
turning in a broad arc continuous with anterolateral margins
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Anterior process triangular, anterior edges raised in lateral ridges delimiting
a median depressed area.
Copyright 1998 Bioinformatics Centre,
National Institute of Oceanography, Dona Paula, Goa, India