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・ Calliotropis dicrous
・ Calliotropis echidna
・ Calliotropis echidnoides
・ Calliotropis effossima
・ Calliotropis elephas
・ Calliotropis eltanini
・ Calliotropis equatorialis
・ Calliotropis ericius
・ Calliotropis eucheloides
・ Calliotropis excelsior
・ Calliotropis francocacii
・ Calliostoma poupineli
・ Calliostoma problematicum
・ Calliostoma psyche
・ Calliostoma pulchrum
Calliostoma punctulatum
・ Calliostoma purpureum
・ Calliostoma quadricolor
・ Calliostoma regale
・ Calliostoma rema
・ Calliostoma richeri
・ Calliostoma roseolum
・ Calliostoma rosewateri
・ Calliostoma rota
・ Calliostoma rubroscalptum
・ Calliostoma rude
・ Calliostoma rufomaculatum
・ Calliostoma sagamiensis
・ Calliostoma sakashitai
・ Calliostoma sanjaimense


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Calliostoma punctulatum : ウィキペディア英語版
Calliostoma punctulatum

''Calliostoma punctulatum'', common name the ''spotted tiger shell'', is a species of medium-sized sea snail, a marine gastropod mollusc in the family Calliostomatidae, the calliostoma top snails.〔WoRMS (2010). Calliostoma punctulatum (Martyn, 1784). In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=467245 on 2012-12-14〕
==Description==
The height of the shell varies between 15 mm and 50 mm. The solid, conoidal shell is imperforate. It is yellowish or light fawn-colored, unicolored or dotted on the spirals with dark brown. The granules are often white by rubbing of the cuticle. The surface of the shell is covered with narrow spiral closely and conspicuously beaded ridges, numbering 8-12 on the penultimate whorl, sometimes equal in size, sometimes alternately larger and smaller. On the next earlier (antepenultimate) whorl there are about 7, and still earlier whorls have 3 beaded carinae. The interstices are obliquely striate. The spire is a little concave in outline toward the apex. The minute apex is acute. The sutures impressed. There are about 8 or 9, convex whorls. The body whorl is rounded at the periphery. The oblique aperture is rhomboidal, pearly within, and showing folds in the nacre corresponding with the lirae outside. The pearly columella is arcuate and not tubercled below.〔(Tryon (1889), Manual of Conchology XI, Academy of Natural Sciences, Philadelphia )〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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