A genus of Cephalopoda The layer is known as paper nautilus or report sailor
- kind genus for the family members Argonautidae: paper nautilus
- A genus of Cephalopoda. The layer is known as report nautilus or report sailor.
(letter.) A genus of Cephalopoda. The layer is named paper nautilus or report sailor.
As a rule no parental care is exhibited, but incubation of the developing ova within some part of the parental body, or receptacles attached to the parent, occurs in some Lamellibranchs, some Gastropods, and in Argonauta among the Cephalopods.