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Abyssochrysidae
Abyssochrysidae is a family of sea snails, marine gastropod mollusks in the clade Caenogastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Taxonomy The family Abyssochrysidae was previously placed in the "Zygopleuroid group" (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). This family has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). In 2008, the sister group Provannidae was moved into the superfamily Abyssochrysoidea Tomlin, 1927 by Kain et al. and the family Abyssochrysidae was also moved into the superfamily Abyssochrysoidea.WoRMS (2009). Abyssochrysidae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=345309 on 2010-05-04 Genera Genera within this family include: * '' Acanthostrophia'' ** '' Acanthostrophia acanthica'' - a fossil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abyssochrysidae
Abyssochrysidae is a family of sea snails, marine gastropod mollusks in the clade Caenogastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Taxonomy The family Abyssochrysidae was previously placed in the "Zygopleuroid group" (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). This family has no subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). In 2008, the sister group Provannidae was moved into the superfamily Abyssochrysoidea Tomlin, 1927 by Kain et al. and the family Abyssochrysidae was also moved into the superfamily Abyssochrysoidea.WoRMS (2009). Abyssochrysidae. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2009) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=345309 on 2010-05-04 Genera Genera within this family include: * '' Acanthostrophia'' ** '' Acanthostrophia acanthica'' - a fossil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abyssochrysoidea
''Abyssochrysoidea'' is a superfamily of deep-water sea snails, marine gastropod mollusks unassigned in the orderCaenogastropoda. MolluscaBase eds. (2021). MolluscaBase. Abyssochrysoidea Tomlin, 1927. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=411644 on 2021-03-15 These marine snails are part of the fauna of the hydrothermal vents and other deep-water habitats. Families Families within the superfamily Abyssochryoidea include: * Abyssochrysidae Tomlin, 1927 * Provannidae Warén & Ponder, 1991 * † Hokkaidoconchidae ''Kaim, R. G. Jenkins & Warén, 2008'' * unassigned : one genus '' Rubyspira'' Johnson, Warén, Lee, Kano, Kaim, Davis, Strong & Vrijenhoek, 2010 These two families Provaniidae and Abyssochrysidae were previously placed in the "Zygopleuroid group" (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). Subsequently Provannidae was placed in the superfamily Abyssochrysoidea by Kai ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abyssochrysos
''Abyssochrysos'' is a genus of bathyal sea snails, marine gastropod mollusks in the family Abyssochrysidae. Description The characteristics (shell, radula and anatomy) of the species mark this genus as simple gastropods, unassigned in the clade Caenogastropoda. Their taenioglossate radula (formula: 2+1+1+1+2) is unique among the Prosobranchia because of the sickle-shaped rachidian tooth and the thick, sinuous, sharply cusped lateral teeth. They have tentacles but lack eyes. The mantle cavity goes deep (about 2½ whorl A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs). Whorls in nature File:Photograph and axial plane floral ...s). The long, wide ctenidium is monopectinate. The pallial gonoducts are closed. The large penis-like organ is a right-dorsal mantle process. Species Species within the genus ''Abyssochrysos'' include: * '' Abyssoc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Abyssochrysos Melanioides
''Abyssochrysos melanioides'' is a species of sea snail, a marine gastropod mollusk in the family Abyssochrysidae. This is the type specimen for which Tomlin created a new family Abyssochrisidae, but couldn't refer at the time to any superfamily. Some years later he thought it had any affinities with the families Littorinidae Children, 1834 and Thiaridae Gill, 1871 (1823). Houbrick (1979) brought the then known species of ''Abyssochrysos'' in the superfamily Loxonematacea Koken, with close affinities to the families Zygopleuridae Wenz, 1939, Paleozygopleuridae Horny, and Pseudozygopleuridae Knight, 1930. Distribution * The type specimen was dredged from a depth of 1645 m to 1828 m off the Cape of Good Hope, South Africa. * PhilippinesBouchet P. (1991). "New records and new species of ''Abyssochrysos'' (Mollusca, Caenogastropoda). ''Journal of Natural History'' 25(2): 305–313. . * Indonesia Description File:Abyssochrysos melanioides shell.png, shell File:Abyssochrysos me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Caenogastropoda
Caenogastropoda is a taxonomic clade, a large diverse group which are mostly sea snails and other marine gastropod mollusks, but also includes some freshwater snails and some land snails. The clade is the most diverse and ecologically successful of the gastropods. Caenogastropoda contains many families of shelled marine molluscs – including the periwinkles, cowries, wentletraps, moon snails, murexes, cone snails and turrids – and constitutes about 60% of all living gastropods. Biology The Caenogastropoda exhibit torsion, and thus are included in what was previously called the Streptoneura (meaning ''twisted nerves''), also known as Prosobranchia (meaning ''gills forward''). Specifically, they are characterized by having only a single auricle in the heart and a single pair of gill leaflets, and are equivalent to the Monotocardia or Pectinobranchia of older authors. Taxonomy The taxon Caenogastropoda was first established by Leslie Reginald Cox in 1960 as a supero ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taxonomy Of The Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised in 2005 by Philippe Bouchet and Jean-Pierre Rocroi is a system for the scientific classification of gastropod mollusks. (Gastropods are a taxonomic class of animals which consists of snails and slugs of every kind, from the land, from freshwater, and from saltwater.) The paper setting out this taxonomy was published in the journal ''Malacologia''. The system encompasses both living and extinct groups, as well as some fossils whose classification as gastropods is uncertain. The Bouchet & Rocroi system was the first complete gastropod taxonomy that primarily employed the concept of clades, and was derived from research on molecular phylogenetics; in this context a clade is a "natural grouping" of organisms based upon a statistical cluster analysis. In contrast, most of the previous overall taxonomic schemes for gastropods relied on morphological features to classify these animals, and used taxon ranks such as order, superorder ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eocene
The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', "dawn") and (''kainós'', "new") and refers to the "dawn" of modern ('new') fauna that appeared during the epoch. The Eocene spans the time from the end of the Paleocene Epoch to the beginning of the Oligocene Epoch. The start of the Eocene is marked by a brief period in which the concentration of the carbon isotope Carbon-13, 13C in the atmosphere was exceptionally low in comparison with the more common isotope Carbon-12, 12C. The end is set at a major extinction event called the ''Grande Coupure'' (the "Great Break" in continuity) or the Eocene–Oligocene extinction event, which may be related to the impact of one or more large bolides in Popigai impact structure, Siberia and in what is now ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type Genus
In biological taxonomy, the type genus is the genus which defines a biological family and the root of the family name. Zoological nomenclature According to the International Code of Zoological Nomenclature, "The name-bearing type of a nominal family-group taxon is a nominal genus called the 'type genus'; the family-group name is based upon that of the type genus." Any family-group name must have a type genus (and any genus-group name must have a type species, but any species-group name may, but need not, have one or more type specimens). The type genus for a family-group name is also the genus that provided the stem to which was added the ending -idae (for families). :Example: The family name Formicidae has as its type genus the genus ''Formica'' Linnaeus, 1758. Botanical nomenclature In botanical nomenclature, the phrase "type genus" is used, unofficially, as a term of convenience. In the '' ICN'' this phrase has no status. The code uses type specimens for ranks up to fam ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zoological Journal Of The Linnean Society
The ''Zoological Journal of the Linnean Society'' is a monthly peer-reviewed scientific journal covering zoology published by Oxford University Press on behalf of the Linnean Society. The editor-in-chief is Maarten Christenhusz (Linnean Society). It was established in 1856 as the ''Journal of the Proceedings of the Linnean Society of London. Zoology'' and renamed ''Journal of the Linnean Society of London, Zoology'' in 1866. It obtained its current title in 1969. Abstracting and indexing The journal is abstracted and indexed in: According to the ''Journal Citation Reports'', the journal has a 2020 impact factor The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as i ... of 3.286. References External links * Zoology journals Linnean Society of London Monthly journals Academic journa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
