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Bubble Shell
The order Cephalaspidea, also known as the headshield slugs and bubble snails, is a major taxon of sea slugs and bubble snails, marine gastropod mollusks within the larger clade Euopisthobranchia.Jörger K. M., Stöger I., Kano Y., Fukuda H., Knebelsberger T. & Schrödl M. (2010). "On the origin of Acochlidia and other enigmatic euthyneuran gastropods, with implications for the systematics of Heterobranchia". ''BMC Evolutionary Biology'' 10: 323. . Bubble shells is another common name for these families of marine gastropods, some of which have thin bubble-like shells. This clade contains more than 600 species. Members of this worldwide clade used to be considered the most primitive of the opisthobranchs, but now they are considered as derived and specialized members of the Euthyneura Spengel, 1881. Headshield slugs are the most morphologically diverse group of all the opisthobranchs. Anatomy The vast majority possess a shell, although it may be reduced or internal. They have ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chelidonura Varians
''Chelidonura varians'' is a species of small sea slug, a marine opisthobranch gastropod mollusc in the order Cephalaspidea The order Cephalaspidea, also known as the headshield slugs and bubble snails, is a major taxon of sea slugs and bubble snails, marine gastropod mollusks within the larger clade Euopisthobranchia.Jörger K. M., Stöger I., Kano Y., Fukuda H. ..., the headshield slugs. Description & habitat This species has a maximum size of 70 mm. The background color is deep black. The margin of the parapods and body are marked with a thin electric blue line. The two rather long "tails" at the end of the animal are characteristic of the genus ''Chelidonura'', the left one is always longer. They have also well-developed sensory cilia on the anterior edge of the head which are used to find their prey. This species lives on reef areas in shallow water lagoons with sandy or muddy bottom until 30 m depth. Distribution This cephalaspidean is widespread ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Monophyly
In cladistics for a group of organisms, monophyly is the condition of being a clade—that is, a group of taxa composed only of a common ancestor (or more precisely an ancestral population) and all of its lineal descendants. Monophyletic groups are typically characterised by shared derived characteristics (synapomorphies), which distinguish organisms in the clade from other organisms. An equivalent term is holophyly. The word "mono-phyly" means "one-tribe" in Greek. Monophyly is contrasted with paraphyly and polyphyly as shown in the second diagram. A ''paraphyletic group'' consists of all of the descendants of a common ancestor minus one or more monophyletic groups. A '' polyphyletic group'' is characterized by convergent features or habits of scientific interest (for example, night-active primates, fruit trees, aquatic insects). The features by which a polyphyletic group is differentiated from others are not inherited from a common ancestor. These definitions have take ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bulloidea
Bulloidea is a superfamily of sea snails, or bubble snails, marine gastropod mollusks.Bouchet, P. (2010). Bulloidea Gray, 1827. In: MolluscaBase (2016). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=411887 on 2016-05-23 Families * Acteocinidae Dall, 1913 * Bullidae Gray, 1827 * Retusidae Thiele, 1925(s.s.) * Rhizoridae Rhizoridae is a family of very small sea snails, barrel-bubble snails, marine opisthobranch gastropod mollusks. These are headshield slugs, in the superfamily Bulloidea Bulloidea is a superfamily of sea snails, or bubble snails, marine gas ... Dell, 1952 ; Families brought into synonymy: * Bullariidae Dall, 1908: synonym of Bullidae Gray, 1827 * Vesicidae J. Q. Burch, 1945: synonym of Bullidae Gray, 1827 * Volvulellidae Chaban, 2000: synonym of Rhizoridae Dell, 1952 * Volvulidae Locard, 1886: synonym of Rhizoridae Dell, 1952 References Oskars T.R., Bouchet P. & Malaquias M.A. (2015). A n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Alcide D'Orbigny
Alcide Charles Victor Marie Dessalines d'Orbigny (6 September 1802 – 30 June 1857) was a French naturalist who made major contributions in many areas, including zoology (including malacology), palaeontology, geology, archaeology and anthropology. D'Orbigny was born in Couëron ( Loire-Atlantique), the son of a ship's physician and amateur naturalist. The family moved to La Rochelle in 1820, where his interest in natural history was developed while studying the marine fauna and especially the microscopic creatures that he named " foraminiferans". In Paris he became a disciple of the geologist Pierre Louis Antoine Cordier (1777–1861) and Georges Cuvier. All his life, he would follow the theory of Cuvier and stay opposed to Lamarckism. South American era D'Orbigny travelled on a mission for the Paris Museum, in South America between 1826 and 1833. He visited Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, Argentina, Paraguay, and Brazil, and returned to France with an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acteonoidea
Acteonoidea is a superfamily of sea snails, or bubble snails, marine gastropod mollusks. Taxonomy In the taxonomy of Bouchet & Rocroi (2005), the superfamily Acteonoidea has been included into the informal group "Lower Heterobranchia" (Heterostropha ''sensu'' Ponder & Warén, 1988), also known as the Allogastropoda. Only one of analyses by Jörger et al. (2010) indicates the Acteonoidea sister to Nudipleura. This clade that had resulted repeatedly in molecular studies with still limited "lower heterobranch" taxon sampling, either in a derived position or as a basal offshoot within Euthyneura. A recent molecular phylogeny on Acteonoidea suggest a common origin with lower heterobranch Rissoelloidea and a sister group relationship to Nudipleura.Gbbeler K. & Klussmann-Kolb A. (2010). "The phylogeny of the Acteonoidea (Gastropoda): molecular systematics and first detailed morphological study of '' Rictaxis punctocaelatus'' (Carpenter, 1864)". ''Journal of Molluscan Studies'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Laona (gastropod)
''Laona'' is a genus of gastropods belonging to the family Laonidae. The species of this genus are found in Europe and America. Species: *''Laona alternans'' *''Laona californica'' *''Laona chilla'' *''Laona condensa'' *''Laona confusa'' *''Laona grandioculi'' *''Laona nanseni'' *''Laona pruinosa'' *''Laona quadrata'' *''Laona thurmanni'' *''Laona ventricosa Laona can refer to: * Laona Township, Winnebago County, Illinois * Laona Township, Minnesota * Laona, New York * Laona, Wisconsin, a town *Laona (community), Wisconsin, an unincorporated community within the town * ''Laona'' (gastropod), a genus o ...'' ;Synonyms: * ''Laona finmarchica'' (M. Sars, 1859): synonym of '' Praephiline finmarchica'' (M. Sars, 1859) * ''Laona flexuosa'' (M. Sars, 1859): synonym of ''Laona pruinosa'' (W. Clark, 1827) References * Chaban E.M. & Soldatenko E.V. (2009) Description of a new genus Praephiline gen. nov. (Gastropoda: Opisthobranchia: Philinidae). Zoosystematica Rossica 18(2): ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Laonidae
Laonidae is a family of small marine snails belonging to the superfamily Philinoidea Philinoidea is a taxonomic superfamily of sea slugs, specifically headshield slugs, marine gastropod mollusks in the order Cephalaspidea. MolluscaBase eds. (2021). MolluscaBase. Philinoidea Gray, 1850 (1815). Accessed through: World Register of ...,MolluscaBase eds. (2021). MolluscaBase. Laonidae Pruvot-Fol, 1954. Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=848158 on 2021-06-17 though Laonidae and Philinoidea are genetically distinct. They are monophyletic, meaning they are developed from a single ancestor. Laonidae also has the synonymised name Laoninae, which is largely unaccepted in the modern day scientific community. The name Laoninae is introduced by Alice Pruvot-Fol who proposes it as the subfamily to the genea Loana, A.Adams 1865. Genera: * '' Laona'' A.Adams, 1865 * '' Retusophiline'' Nordsieck, 1972 ; Genera brought ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Acteocinidae
Tornatinidae is a family of very small sea snails, barrel-bubble snails, marine opisthobranch gastropod molluscs. These are headshield slugs, in the superfamily Bulloidea Bulloidea is a superfamily of sea snails, or bubble snails, marine gastropod mollusks.Bouchet, P. (2010). Bulloidea Gray, 1827. In: MolluscaBase (2016). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.ph ....Bouchet, P.; Gofas, S. (2015). Rhizoridae Dell, 1952. In: MolluscaBase (2016). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=413349 on 2016-05-23 Genera Genera within the family Tornatinidae include: * '' Acteocina'' Gray, 1847 Genera brought into synonymy: * ''Actaeocina'' ic synonym of ''Acteocina'' Gray, 1847 * ''Didontoglossa'' Annandale, 1924: synonym of ''Acteocina'' Gray, 1847 * ''Tornatina'' A. Adams, 1850: synonym of ''Acteocina'' Gray, 1847 * ''Utriculastra'' Thiele, 1925: synonym of ''Ac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mnestiidae
Mnestiidae is a family of gastropods belonging to the order Cephalaspidea The order Cephalaspidea, also known as the headshield slugs and bubble snails, is a major taxon of sea slugs and bubble snails, marine gastropod mollusks within the larger clade Euopisthobranchia.Jörger K. M., Stöger I., Kano Y., Fukuda H. .... Genera: * '' Mnestia'' H. Adams & A. Adams, 1854 * '' Ventomnestia'' Iredale, 1936 References {{Taxonbar, from=Q26832565 Gastropods ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
