Wednesday, 18 July 2012

HIPPA-ARTHROPODA

Hippa,commonly called as mole crab.It is found in the sand near the coasts. The body is oval with a large more or less cylindrical cephalothorax with carapace.The head bears a pairs of stalked compound eyes, a pair of short antennules and a pair of long antennae bearing hairs on the hinder surface.The rostrum is very much reduced .The five pairs of walking legs are thoracic and adapted for digging,being curved and flattened.The first legs are chelate.

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