nautiloid
/nawt-l-oid/US // ˈnɔt lˌɔɪd //UK // (ˈnɔːtɪˌlɔɪd) //
鹦鹉螺类,鹦鹉螺,鹦鹉螺类动物,鹦鹉类
Definitions
n.名词 noun
- 1
- : a mollusk of the subclass Nautiloidea, including nautiluses and many fossil species that were abundant in the Ordovician and Silurian periods.
adj.形容词 adjective
- 1
- : noting or pertaining to a nautiloid.
Examples
Cephalic shield pointed behind; shell internal, chiefly membranous, with calcified nucleus, nautiloid; parapodia forming fins.
The remarkable group of the Trilobites had precedence in order of time of the Nautiloid shell-fishes.
He referred also to the nautiloid shell of the larva falling to one side.
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