The antennae are white, sharply annulated with dark brown except on the basal fourth.
12.
Abdomen white, annulated with dusky grey.
13.
The chelicerae are reddish yellow, and the legs are reddish yellow, annulated with brown.
14.
Its rhinophores are annulate, and there is a pair of elongated oral tentacles with white blotches.
15.
The head and palpi are brown densely sprinkled with white and the antennae are blackish annulated with white.
16.
The limbs are simple in form, consisting of a smooth oval exopod and a stout, annulated endopod.
17.
These vesicles are derived from the coxal and trochanteral endites ( inner annulated lobes ) of the ancestral abdominal appendages.
18.
The head is brownish grey and the antennae are dust grey, faintly annulated on the basal third with whitish.
19.
Shells are depressed, irregularly annulated cyrtocones with V-shaped hyponomic sinuses, ornamented by longitudinal and transverse ridges.
20.
Variations include annulate orthoconic longicones, exogastric breviconic cyrtocones, forms with thin connecting rings, and those with subcentral siphuncle.
