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・ Pyrgotis calligypsa
・ Pyrgotis chrysomela
・ Pyrgotis consentiens
・ Pyrgotis eudorana
・ Pyrgotis humilis
・ Pyrgotis plagiatana
・ Pyrgotis plinthoglypta
・ Pyrgotis pyramidias
・ Pyrgotis siderantha
・ Pyrgotis transfixa
・ Pyrgotis zygiana
・ Pyrgotoides
・ Pyrgotos
・ Pyrgula
・ Pyrgula annulata
Pyrgulina
・ Pyrgulina alveata
・ Pyrgulina amabilis
・ Pyrgulina anacra
・ Pyrgulina arfica
・ Pyrgulina bantama
・ Pyrgulina buriti
・ Pyrgulina butoli
・ Pyrgulina cambodgiensis
・ Pyrgulina casta
・ Pyrgulina cheveyi
・ Pyrgulina densecostata
・ Pyrgulina difficilis
・ Pyrgulina dimidiata
・ Pyrgulina dominicae


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Pyrgulina : ウィキペディア英語版
Pyrgulina

''Pyrgulina'' is a small genus of very small sea snails, pyramidellid gastropod mollusks or micromollusks. This genus is currently placed in the subfamily Chrysallidinae of the family Odostomiidae.〔Bouchet, P. (2011). Pyrgulina A. Adams, 1864. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=236150 on 2011-11-28〕
==General description==
The whorls of the teleoconch are sculptured similarly throughout. Varices are absent. The shell is marked with strong axial ribs which extend from the summit to the umbilical area The spiral markings consist of impressed lines. The fine, incised spiral striations are subequally spaced and present at the intercostal spaces between the sutures and on the base of the whorls.〔(W.H. Dall and P. Bartsch, "A Monograph of West American Pyramidellid Mollusks" , Smithsonian Institution, p. 14 and 169; 1909 )〕

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