narrow+aperture
51Peculator — Taxobox name = Peculator fossil range = Lower Miocene to Recent image caption = regnum = Animalia phylum = Mollusca classis = Gastropoda subclassis = Orthogastropoda ordo = Sorbeoconcha superfamilia = Volutoidea familia = Volutomitridae genus =… …
52Luria isabella — A shell of Luria isabella, anterior end towards the right Scientific classification Kingdom …
53pars inferior — part of the internal ear of fishes comprising two sac like structures, the sacculus and lagena, both q.v. These function principally in sound reception. The endolymphatic duct rises upwards from from the sacculus and, in Myxini ends blindly in a… …
54cone shell — any of numerous, chiefly tropical, marine gastropods of the genus Conus, having a smooth, brightly colored, conical shell with a short, flattened spire. Also called cone snail. * * * ▪ marine snail any of several marine snails of the subclass… …
55olive shell — 1. any marine gastropod of the family Olividae, having a polished, highly colored, elongated shell and a large mantle that, when extended, surrounds the shell. 2. the shell itself. [1880 85] * * * ▪ marine snail any of the marine snails… …
56slot — 1. noun /slɒt/ a) A broad, flat, wooden bar, a slat, especially as used to secure a door, window, etc. The game offers four save slots. b) A metal bolt or wooden bar, especially as a crosspiece. , 1819: “One is from Hexamshire; he is wont to… …
57aeolipyle — noun /ˈiːəʊlɪpʌɪl/ an instrument used to demonstrate the force at which heated vapour escapes from a vessel through a narrow aperture …
58Mauritia scurra — A shell of Mauritia scurra from Philippines, anterior end towards the right Scientific classification Kingdom …
59Trona stercoraria — A shell of Trona stercoraria a from Senegal, anterior end towards the right Scientific classification …
60Bistolida stolida — 2 views of a shell of Bistolida stolida, anterior end towards the top Scientific classification Kingdom …
