Peripatus

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PERIPATUS



CLASSIFICATION:

PHYLUM: ONYCHOPHORA (contain annelida & arthropoda character).


COMMENTS:

•It is referred as " living fossil".

• Body of the animal is cylindrical & elongated caterpillar like & measuring 4-6 cm in length.

•Outer covering of the body is thin,velvety, chitinous showing transverse, wrinkles, numerous small papillae or tubercles.

•Anterior end is marked by pre-antennae & ventral mouth & posterior end by anus.

•There is a head of three segments.

•Post-oral segment of the head bear pair of hooked jaws, a pair of oral papillae, a pair of simple eyes & a pair of segmented antennae.

• There are about 15 pairs of walking legs,

•There is a tracheal system for respiration with spiracles scattered irregularly over the body surface.

•Crural gland is absent & genital pore is posterior.

•Connecting link between arthropoda & annelida.



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