
1) Abalone 2) Aplacophoran 3) Conch 4) Cowrie 5) Cowry 6) Gastropod 7) Limacine 8) Limacoid 9) Nudibranch 10) Physa 11) Snail 12) Solenogaster
Found on
https://www.crosswordclues.com/clue/univalve

1) Single-shelled
Found on
https://www.crosswordclues.com/clue/univalve

• (a.) Alt. of Univalved • (n.) A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs.
Found on
http://thinkexist.com/dictionary/meaning/univalve/

<zoology> A shell consisting of one valve only; a mollusk whose shell is composed of a single piece, as the snails and conchs. ... most univalves are spiral and are the shells of gastropods, but many belong to cephalopods and pteropods. A large number of univalves belonging to the gastropods are conical, cup-shaped, or shieldlike, as the limp...
Found on
http://www.encyclo.co.uk/local/20973

a shell composed of a single piece (snails, limpets, etc.)
Found on
http://www.seafriends.org.nz/books/glossary.htm

[
adj] - (zoology) used of mollusks, especially gastropods, as snails etc.
Found on
http://www.webdictionary.co.uk/definition.php?query=univalve
adjective used of mollusks, especially gastropods, as snails etc.
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.