Diloma Zelandica
''Diloma zelandicum'' is a species of sea snail, a marine (ocean), marine gastropod mollusc in the family (biology), family Trochidae, the top snails or top shells.Bouchet, P. (2010). Diloma zelandicum(Quoy & Gaimard, 1834). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=546852 on 2011-07-03 Description The height of the shell attains 20 mm, its diameter 25 mm. The imperforate shell is depressed and has an orbiculate-conoidal shape. The six Whorl (mollusc), whorls are separated by impressed Suture (anatomy), sutures. The whorls are slightly convex, greenish-black and shining. They are spirally sulcate, the sulci about 5 on the penultimate whorl. The body whorl is much dilated, slightly depressed above, rounded in the middle, very obliquely striate, obsoletely transversely sulcate, slightly convex beneath. The Aperture (mollusc), aperture is subrhomboidal and lirate within. The acute Lip (gastropod), lip is gre ...
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