Question

.........is the only living genus under the subclass Nautioldea

Answer 1

In the Coleoidea, the mollusc shell has become smaller, or is not there at all; this subclass has the octopus, squid, and cuttlefish. The Nautiloidea have a shell; Nautilus is its only living genus. There are at least 800 different living species of Cephalopods.

Answer 2

Coliodea is the only living genus under the subclass Nautioldea

Explanation:

• These organisms fal under the phylum of mollusca. They only difference or the charecteristic which differentiate it from the rest of the organism of the phylum mollusca is the shells.

• The shells are smaller in size and covers only a small part of the body but in case of the rest of the molluscan animals it covers a large part of the body

To know more about Nautioldea,

Any 5 examples of protochordata - Brainly.in

https://brainly.in/question/4543