# notaspidean

> English word · Noun

## Definitions
1. A sea slug of the former suborder Notaspidea, now split into clades Umbraculida and Pleurobranchomorpha.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/notaspidean