
1) Deep-sea mollusk
Found on
https://www.crosswordclues.com/clue/wentletrap

1) Shell 2) Staircaseshell
Found on
https://www.crosswordclues.com/clue/wentletrap

clade Hypsogastropoda informal group Ptenoglossa | superfamilia = Epitonioidea | familia = Epitoniidae | familia_authority = Berry, 1910 (1812) | type_genus = Epitonium | type_genus_authority = P. F. Röding, 1798 | diversity_link = Diversity of gastropods | diversity_ref = | diversity = about 630 species | synonyms_ref = | synonyms = Wentletraps ...
Found on
http://en.wikipedia.org/wiki/Wentletrap

• (n.) Any one of numerous species of elegant, usually white, marine shells of the genus Scalaria, especially Scalaria pretiosa, which was formerly highly valued; -- called also staircase shell. See Scalaria.
Found on
http://thinkexist.com/dictionary/meaning/wentletrap/

any marine snail of the family Epitoniidae (subclass Prosobranchia of the class Gastropoda), in which the turreted shellconsisting of whorls that ... [1 related articles]
Found on
http://www.britannica.com/eb/a-z/w/23
Wen'tle·trap` noun [ Dutch
wenteltrap a winding staircase; confer German
wendeltreppe .] [ Obsolete] Any one of numerous species of elegant, usually white, marine shells of the genus Scalaria, especially
Scalaria pretiosa , which was formerly highly valued; -- called also
stairc...Found on
http://www.encyclo.co.uk/webster/W/25

The wentletraps (Scalaria) are a genus of marine gastropod molluscs (shell fish) related to Turritella. The shell is very attractive, being usually of a pure lustrous white colour and a spiral in shape with many whorls.
Found on
http://www.probertencyclopaedia.com/browse/BW.HTM
No exact match found.