the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > class Gastropoda > [noun] > superorder Branchifera > order Prosobranchiata > section Holostomata > member of family Aporrhaidae (2)
(more fully pelican's foot shell) a marine gastropod mollusc of the family Aporrhaidae, esp. Aporrhais pespelecani, having a long conical spire and…
the pelican's foot shell, Aporrhais pespelecani.