Lepidasthenia
''Lepidasthenia'' is a genus of marine Polychaete worms belonging to the family '' Polynoidae'' (scale worms). Species of ''Lepidasthenia'' are found world-wide to depths of about 1200 m but are more common in shallower water. Description ''Lepidasthenia'' species are long-bodied scale worms with up to 150 segments and 50 to 100 or more pairs of elytra. The elytra are smooth, lack marginal papillae. Elytra are small, do not overlap, and leave the dorsal region of the body mostly uncovered; on the posterior region there is one pair of elytra every three segments. The lateral antennae are inserted terminally on distal ends of the bilobed prostomium The prostomium (From Ancient Greek, meaning "before the mouth"; plural: prostomia; sometimes also called the "acron") is the cephalized first body segment in an annelid worm's body at the anterior end. It is in front of (but does not include) th .... The lateral and median antennae are smooth. The first segment is without chae ...
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