annuloida

/əˌnjuːloʊˈaɪdə/ or /əˌnjuːˈloʊda/

Definitions

1. noun

a type of coiled, spiral shell shape, typically found in marine snails and slugs.

“The peculiar annuloida structure of this snail species has been of great interest to biologists.”

Synonyms

  • helicooid
  • turbinate

Antonyms

  • spherical