patulipallate

ˌpatuliˈpallate, a. Zool.

[f. mod.L. Patulipalla (f. patulus open + palla mantle), Latreille's name for an order of Conchifera having an open mantle deficient in siphons: see -ate.]

Having the characters of the Patulipalla.

in Mayne Expos. Lex.