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Volutoidea
Volutoidea is a Taxonomy (biology), taxonomic Taxonomic rank, superfamily of predatory sea snails, marine (ocean), marine gastropod mollusks in the clade Neogastropoda.MolluscaBase eds. (2020). MolluscaBase. Volutoidea Rafinesque, 1815. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1055738 on 2020-06-05 This superfamily includes the chank snails, the dove snails, the volutes, the margin snails and others. Shell description The gastropod shell, shell of the snails in this superfamily vary greatly in shape and degree of ornamentation. The shells have an oval Aperture (mollusc), aperture, and a noticeable siphonal canal. Families Families within the superfamily Volutoidea are as follows: * family Cancellariidae Forbes & Hanley, 1851 * family Cystiscidae Stimpson, 1865 -- 15 genera * family Granulinidae G. A. Coovert & H. K. Coovert, 1995 * family Marginellidae John Fleming (naturalist), Fleming, 1828 -- 30 genera * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neogastropoda
Neogastropoda is an order of aquatic snails, both freshwater and marine gastropod molluscs. Description The available fossil record of Neogastropoda is relatively complete, and supports a widely accepted evolutionary scenario of an Early Cretaceous origin of the group followed by two rapid diversification rounds in the late Cretaceous and the Paleocene. These sea snails have only one auricle, one kidney and one monopectinate gill, i.e. the gill filaments develop on only one side of the central axis. The shell has a well-developed siphonal canal. The elongated trunk-like siphon is an extensible tube, formed from a fold in the mantle. It is used to suck water into the mantle cavity. At the base of the siphon is the bipectinate (branching from a central axis) osphradium, a sensory receptacle and olfactory organ, that is more developed than the one in the Mesogastropoda. They achieved important morphological changes including e.g., the elongation of the siphonal canal, a shift ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cystiscidae
Cystiscidae is a taxonomic family of small sea snails, marine gastropod mollusks or micromollusks. Description The shell is minute to large, either white, uniformly colored, or patterned; the surface is smooth, sculptured, or axially costate; the spire is flat to immersed, or low to tall; the protoconch is paucispiral; the lip is thickened, smooth or denticulate; an external varix is present or absent; a siphonal notch is present or absent; a posterior notch is present or absent; the columella is multiplicate, internal whorls cystiscid or modified cystiscid type. Mantle cavity with monopectinate ctenidium and bipectinate osphradium. Proboscis pleurembolic; jaws absent; typical radular sac present. Taxonomy The family was erected by William Stimpson for a single included species based on unusual features of the head and radula. Subsequent authors included this group in the family Marginellidae. Coan (1965) recognized this group as a subfamily, but he did not includ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Granulinidae
Granulinidae are a family (biology), family of small to medium-large sea snails, marine (ocean), marine gastropod mollusks in the clade Neogastropoda.MolluscaBase eds. (2020). MolluscaBase. Granulinidae G. A. Coovert & H. K. Coovert, 1995. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=1355325 on 2020-06-05 Genera In 2019 the subfamily Granulininae has been raised to rank of family Granulinidae ''G. A. Coovert & H. K. Coovert, 1995'' (original rank). This subfamily was originally placed in family Cystiscidae by Coovert & Coovert (1995)Coovert G. A. & Coovert H. K. (1995). "Revision of the Supraspecific Classification of Marginelliform Gastropods". ''The Nautilus (journal), The Nautilus'' 109(2 & 3)43110. but placed back in Marginellidae, following La Perna (1999) and based on the morphology of living animals. *''Granulina'' Jousseaume, 1888 *''Granulinella'' Boyer, 2017 *''Granulinopsis'' Boyer, 2017 *''Hiwia'' Marwic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volutidae
Volutidae, common name volutes, are a taxonomic family of predatory sea snails that range in size from 9 mm to over 500 mm. They are marine gastropod mollusks. Most of the species have no operculum. Distribution This family of sea snails are found mainly in tropical seas, though some species also inhabit the waters of the polar circles. Description The large head has the eyes sessile on the sides below the base of the tentacles. The tentacles are far apart, united by a broad veil over the head. The mantle is sometimes greatly developed, covering the sides of the shell. The siphon is recurved, short, with auricles on each side of the base. The foot is very large, partly hiding the shell. There is no operculum. The shell shows distinct plaits on the columella. The apex of the spire is mamillated. The shells have an elongated aperture in their first whorl and an inner lip characterised by a number of deep plaits. The family of Volutidae comprises a suite of large sh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marginellonidae
Marginellonidae are a taxonomic family of deep water marine gastropod molluscs in the clade Neogastropoda. Genera *'' Afrivoluta'' Tomlin, 1947 *'' Marginellona'' Martens A marten is a weasel-like mammal in the genus ''Martes'' within the subfamily Guloninae, in the family (biology), family Mustelidae. They have bushy tails and large paws with partially retractile claws. The fur varies from yellowish to dark bro ..., 1904 *'' Tateshia'' Kosuge, 1947 References {{Taxonbar, from=Q96391961 Volutoidea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cancellariidae
Cancellariidae, common name the nutmeg snails or nutmeg shells, are a family (biology), family of small to medium-large sea snails, marine (ocean), marine gastropod mollusks in the clade Neogastropoda. Some of the shells of the species in this family resemble a nutmeg seed. Distribution This family occurs worldwide. Many species are found in deep water. Taxonomy This family consists of three following subfamilies (according to the Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005), taxonomy of the Gastropoda by Bouchet & Rocroi, 2005): * Cancellariinae Forbes & Hanley, 1851 - synonym: Trigonostomatinae Cossmann, 1899 * Admetinae Troschel, 1865 - synonym: Paladmetidae Stephenson, 1941 * Plesiotritoninae Beu & Maxwell, 1937 Genera Genera in the family Cancellariidae include: *''Admete (genus), Admete'' Henrik Nikolaj Krøyer, Krøyer, 1842 *''Admetula'' Maurice Cossmann, Cossmann, 1889 *''Africotriton'' Beu & Bruce Marshall (taxonomist), Marshall, 1987 *''Agatrix'' R. Petit, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marginellidae
Marginellidae, or the margin shells, are a taxonomic family of small, often colorful, sea snails, marine gastropod molluscs in the clade Neogastropoda. Taxonomy The higher classification of the family Marginellidae has long been in a state of confusion. Many popular works still treat all members of this family under the single genus ''Marginella'', basing them primarily on superficial similarities of the shell. The confusion over the classification stems from the fact that the earlier classifications were based rather crudely on shell characters. Although many good differential shell characters do exist within this group, those characters were generally misinterpreted or not recognized as significant. Such information as did exist on the radulae and the external anatomy of the living animals was widely scattered in the scientific literature, and internal anatomical descriptions were not available until fairly recently. In 2019 a new molecular phylogeny of marginelliform gast ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cymbiola Nobilis
''Cymbiola'' is a genus of large predatory sea snail, a marine gastropod mollusk in the family Volutidae, the volutes.Bail, P. (2010). Cymbiola Swainson, 1831. 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=382352 on 2011-04-09 Some of the species within this genus are sometimes placed in the genus '' Cymbiolacca'' Iredale, 1929, which is also sometimes treated as a subgenus of ''Cymbiola''. Description The thin shell is ovate and cymbiform. The spire is more or less produced. The apex is papillary and somewhat irregular. The aperture is wide. The inner lip shows a thin callus. The columella contains a few oblique plaits at the fore part. The acute outer lip is often somewhat dilated. Species Species within the genus ''Cymbiola'' include: * '' Cymbiola alexisallaryi'' (Cossignani, 2018) * † '' Cymbiola ambugensis'' (Harzhauser, Rave ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marginella Glabella
''Marginella glabella '' is a species of colorful small sea snail, a marine gastropod in the family Marginellidae, the margin shells.MolluscaBase eds. (2021). MolluscaBase. Marginella glabella (Linnaeus, 1758). Accessed through: World Register of Marine Species at: http://marinespecies.org/aphia.php?p=taxdetails&id=140322 on 2021-06-23 Description The length of the shell attains 18 mm. Distribution This species is found in Northwest Africa, including Cape Verde (doubtful), Mauritania, Senegal and European waters, including the Canary Islands. References * Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda. * Cossignani T. (2006). Marginellidae & Cystiscidae of the World. L'Informatore Piceno. 408pp. * Boyer F. (2015). Révision des marginelles de Linné (Mollusques prosobranches : Marginellidae et Cystiscidae). Xenophora Taxonomy. 8: 33-55 External links Linnaeus, C. (1758). Systema Naturae per regna tria natura ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persicula Cingulata
''Persicula cingulata'' is a species of very small sea snail, a marine gastropod mollusk or micromollusk in the family Cystiscidae. Description (Described as ''Marginella vittata'') The shell has a subcylindrical shape and is rather flattened below. The spire is concealed. The columella shows four or five plaits near the anterior end. The outer lip is not thickened (youug specimen ?). The shell is yellowish white, with thin interrupted spiral bands of brown. The columella is white. Distribution This marine species occurs off Senegal, Mauritania and the Cape Verdes; also off New Zealand New Zealand () is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and List of islands of New Zealand, over 600 smaller islands. It is the List of isla .... References * Adanson, M., 1757 Histoire naturelle du Sénégal. Coquillages, p. 275 p, 19 pls * Fischer-Piette, E., 1942. Les mollusqu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plesiocystiscinae
Plesiocystiscinae is a subfamily of minute sea predatory sea snails, marine gastropod mollusks or micromollusks in the infraorder Neogastropoda. The genus name on which this subfamily name is based is derived from the Greekword ''plesios'', near, in the sense of plesiomorphic, in other words having characters close to those of the ancestor, combined with ''Cystiscus'' the name of a closely related genus. Sometimes the single genus in this subfamily is simply left in the larger family Marginellidae. (Note: Gastropod taxonomy has been in flux for more than half a century, and this is especially true currently, because of new research in molecular phylogeny. Because of all the ongoing changes, different reliable sources can yield very different classifications.) Shell description Shell minute to small, white, hyaline; last whorl rapidly expanded then lip abruptly swept posteriorly giving characteristic shape; spire flat to low; lip thickened posteriorly, smooth, lacking lirae o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |