Chrysostoma

	Chrysostoma ''Chrysostoma'' is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.Bouchet, P. (2012). ''Chrysostoma'' Swainson, 1840. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=225491 on 2012-11-23 Description The solid, thick shell has a globose shape. The spire is very short . The aperture is rounded. The parietal wall bears a heavy callus which wholly or almost covers the narrow umbilicus. Species Species within the genus ''Chrysostoma'' include: * '' Chrysostoma paradoxum'' (Born, 1778) ;Species brought into synonymy: * ''Chrysostoma zeus'' (Fischer, 1874): synonym of ''Austrocochlea zeus ''Austrocochlea zeus'', common name the dory austrocochlea, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.Bouchet, P. (2012). ''Austrocochlea zeus'' P. Fischer, 1874. Accessed through: World Regist ...'' P. Fischer, 1874 References * MacN ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Chrysostoma Paradoxum ''Chrysostoma paradoxum'', common name the orange-mouthed top shell, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.Bouchet, P. (2012). ''Chrysostoma paradoxum'' (Born, 1778). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=547321 on 2012-11-23 Description The length of the shell varies between 18 mm and 21 mm. The globular shell is imperforate or nearly so, thick and strong, with a porcelaneous texture. The surface of the shell is smooth, with scarcely visible lines of growth. The upper whorls are microscopically, and densely, spirally striated. The color of the shell is whitish, closely reticulated and mottled all over with red or pinkish, often with a few large darker maculations above. The spire is very short. The sutures are linear. They are bordered by a slight concavity of the whorl or margination. The six whorls are convex, the last globular. The a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Chrysostoma ''Chrysostoma'' is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.Bouchet, P. (2012). ''Chrysostoma'' Swainson, 1840. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=225491 on 2012-11-23 Description The solid, thick shell has a globose shape. The spire is very short . The aperture is rounded. The parietal wall bears a heavy callus which wholly or almost covers the narrow umbilicus. Species Species within the genus ''Chrysostoma'' include: * '' Chrysostoma paradoxum'' (Born, 1778) ;Species brought into synonymy: * ''Chrysostoma zeus'' (Fischer, 1874): synonym of ''Austrocochlea zeus ''Austrocochlea zeus'', common name the dory austrocochlea, is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.Bouchet, P. (2012). ''Austrocochlea zeus'' P. Fischer, 1874. Accessed through: World Regist ...'' P. Fischer, 1874 References * MacN ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Trochidae The Trochidae, common name top-snails or top-shells, are a family of various sized sea snails, marine gastropod molluscs in the subclass Vetigastropoda. This family is commonly known as the top-snails because in many species the shell resembles a toy spinning top. Taxonomy The family Trochidae consists of the following subfamilies: * Alcyninae Williams, Donald, Spencer & Nakano, 2010 * Cantharidinae Gray, 1857 * Carinotrochinae S.-Q. Zhang, J. Zhang & S.-P. Zhang, 2020 * Chrysostomatinae Williams, Donald, Spencer & Nakano, 2010 * Fossarininae Bandel, 2009 * Halistylinae Keen, 1958 * Kaiparathininae B. A. Marshall, 1993 * Monodontinae Gray, 1857 * Stomatellinae Gray, 1840 * Trochinae Rafinesque, 1815 * Umboniinae H. Adams & A. Adams, 1854 (1840) Additionally, the following genera have not yet been placed in any subfamily: * ''Callumbonella'' Thiele, 1924 * †'' Coeloconulus'' Nützel, 2012 * ''Enida'' A. Adams, 1860 * †'' Eocalliostoma'' O. Haas, 1953 * †'' Fagna ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]