helicinianadj.n.

/hɛlɪˈsɪnɪən/Etymology: < modern Latin Helicīna ( < helix) + -ian suffix.
Zoology.
B. n.1838 XII. 106/2 Helicidæ, The fifth order [of gastropods] contains two families:—1st The Helicinians..2nd The Turbicinians.
This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2018).