• Aphrodite is commonly known as ‘Sea mice’.

• Creeping or burrowing animal.

• Body is oval in shape.

• Head is formed of Prostomium and peristomium.

• The prostomium bears a pair of eyes, a median tentacles and a pair of long palpe.

• Peristomium bears long cirri.

• A flat plate called ‘Elytron’, take place the dorsal cirrus.

• Elytron is protective and respiratory in function.

• The notopodium produces two kinds of setae, lateral iri descent setae and dorsal stiffer setae.