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Moroteuthopsis
''Moroteuthopsis'' is a genus of squid in the family Onychoteuthidae. The type species is ''Moroteuthopsis ingens''. Prior to 2018, ''Moroteuthopsis'' was considered a subgenus of ''Onykia''; after the mitochondrial DNA of the family Onychoteuthidae was studied, ''"O." ingens'' was found to group together with ''Kondakovia'', and the subgenus ''Moroteuthopsis'' was elevated to full genus status. This genus is similar to ''Onykia'', both possessing warty or longitudinally-ridged skin, ammoniacal tissues, large body size, and the lack of photophores, but can be distinguished by ''Mo. spp.'' lacking a Y-shaped ridge in the Siphon (mollusc), funnel and symmetrical grooves on the "claw portion" of the tentacular hooks, both of these present in ''Onykia'', along with the rostrum segment of the gladius being proportionally shorter in ''Mo. spp.''. References External linksTree of Life web project: ''Kondakovia''*Laptikhovsky, V.; Arkhipkin, A.; Bolstad, K.S. 2008A second species of th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Moroteuthopsis Ingens
''Moroteuthopsis ingens'', the greater hooked squid, is a species of squid in the family Onychoteuthidae. It occurs worldwide in subantarctic oceans. Taxonomy ''M. ingens'' was long attributed to the genus ''Moroteuthis'', which became a junior synonym of ''Onykia'' in 2010; this species was subsequently lumped into that genus, though it was separated from all other ''Onykia spp.'' into its own subgenus; ''Moroteuthopsis''. A 2018 study of mitochondrial DNA of the family Onychoteuthidae subsequently found that the subgenus ''Moroteuthopsis'' was deemed distinct from the rest of ''Onykia'', and furthermore, this species formed a monophyletic clade with ''Kondakovia longimana''. Thus, it was decided to elevate subgenus ''Moroteuthopsis'' into a full genus, and this species became its type species by seniority, with ''"K." longimana'' becoming the second species in ''Moroteuthopsis''. Biology Size and growth The size of a fully grown ''M. ingens'' including the clubbed tentacles i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Moroteuthopsis Longimana
''Moroteuthopsis longimana'', previously ''Kondakovia longimana'', the giant warty squid or longarm octopus squid (though it is not a true octopus squid),O'Shea, S. 2005''Kondakovia longimana'' In: Giant Squid and Colossal Squid Fact Sheet. The Octopus News Magazine Online. is a large species of hooked squid. It attains a mantle length of at least and probably over . The largest complete specimen of this species, measuring in total length, was found in Antarctica in 2000. The previous generic name was in honor of N. N. Kondakov, a "noted Russian malacologist". Description ''M. longimana'' is a large squid, the adults can grow to a mantle length of , which is characterised by the presence of 33 hooks and marginal suckers throughout the tentacular club during subadult years. The gladius of this species is not visible beneath the skin in the dorsal midline. ''M. longimana'' possesses three nuchal folds. Type material The type material of this species, consisting of three spe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Onychoteuthidae
The hooked squid, family (biology), family Onychoteuthidae, currently comprise about 20–25 species (several known from only single life stages and thus unconfirmed), in six or seven genus, genera. They range in mature mantle (mollusc), mantle length from to a suggested length of for the largest member, ''Onykia robusta''. The family is characterised by the presence of hooks only on the cephalopod limb, tentacular clubs, a simple, straight, funnel–mantle locking apparatus, and a 'step' inside the jaw angle of the cephalopod beak, lower beak. With the exception of the Arctic Ocean, the family is found worldwide. Species *Genus ''Onychoteuthis'' Hinrich Lichtenstein, Lichtenstein, 1818 **''Onychoteuthis banksii'' (William Elford Leach, Leach, 1817) – common clubhook squid **''Onychoteuthis bergii''* Lichtenstein, 1818 **''Onychoteuthis mollis''* Adolf Appelloef, Appelloef, 1891 **''Onychoteuthis compacta'' S. Stillman Berry, Berry, 1913 **''Onychoteuthis borealijaponica'' Y ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hooked Squid
The hooked squid, family Onychoteuthidae, currently comprise about 20–25 species (several known from only single life stages and thus unconfirmed), in six or seven genera. They range in mature mantle length from to a suggested length of for the largest member, '' Onykia robusta''. The family is characterised by the presence of hooks only on the tentacular clubs, a simple, straight, funnel–mantle locking apparatus, and a 'step' inside the jaw angle of the lower beak. With the exception of the Arctic Ocean, the family is found worldwide. Species *Genus '' Onychoteuthis'' Lichtenstein, 1818 **''Onychoteuthis banksii'' ( Leach, 1817) – common clubhook squid **'' Onychoteuthis bergii''* Lichtenstein, 1818 **'' Onychoteuthis mollis''* Appelloef, 1891 **'' Onychoteuthis compacta'' Berry, 1913 **'' Onychoteuthis borealijaponica'' Okada, 1927 – boreal clubhook squid **''Onychoteuthis meridiopacifica'' Rancurel & Okutani, 1990 **'' Onychoteuthis lacrima'' Bolstad & Seki ''i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species
A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. Other ways of defining species include their karyotype, DNA sequence, morphology (biology), morphology, behaviour, or ecological niche. In addition, palaeontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. About 14% of these had been described by 2011. All species (except viruses) are given a binomial nomenclature, two-part name, a "binomen". The first part of a binomen is the name of a genus to which the species belongs. The second part is called the specific name (zoology), specific name or the specific ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Squid
A squid (: squid) is a mollusc with an elongated soft body, large eyes, eight cephalopod limb, arms, and two tentacles in the orders Myopsida, Oegopsida, and Bathyteuthida (though many other molluscs within the broader Neocoleoidea are also called ''squid'' despite not strictly fitting these criteria). Like all other cephalopods, squid have a distinct head, Symmetry (biology)#Bilateral symmetry, bilateral symmetry, and a mantle (mollusc), mantle. They are mainly soft-bodied, like octopuses, but have a small internal skeleton in the form of a rod-like gladius (cephalopod), gladius or pen, made of chitin. Squid diverged from other cephalopods during the Jurassic and occupy a similar Ecological niche, role to teleost fish as open-water predators of similar size and behaviour. They play an important role in the open-water food web. The two long tentacles are used to grab prey and the eight arms to hold and control it. The beak then cuts the food into suitable size chunks for swal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type Species
In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological Type (biology), type wiktionary:en:specimen, specimen (or specimens). Article 67.1 A similar concept is used for suprageneric groups and called a type genus. In botanical nomenclature, these terms have no formal standing under the International Code of Nomenclature for algae, fungi, and plants, code of nomenclature, but are sometimes borrowed from zoological nomenclature. In botany, the type of a genus name is a specimen (or, rarely, an illustration) which is also the type of a species name. The species name with that type can also be referred to as the type of the genus name. Names of genus and family ranks, the various subdivisions of those ranks, and some higher-rank names based on genus names, have suc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ammonia
Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the chemical formula, formula . A Binary compounds of hydrogen, stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pungent smell. It is widely used in fertilizers, refrigerants, explosives, cleaning agents, and is a precursor for numeous chemicals. Biologically, it is a common nitrogenous waste, and it contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to fertilisers. Around 70% of ammonia produced industrially is used to make fertilisers in various forms and composition, such as urea and diammonium phosphate. Ammonia in pure form is also applied directly into the soil. Ammonia, either directly or indirectly, is also a building block for the synthesis of many chemicals. In many countries, it is classified as an List of extremely hazardous substances, extremely hazardous substance. Ammonia is toxic, cau ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Photophore
A photophore is a specialized anatomical structure found in a variety of organisms that emits light through the process of boluminescence. This light may be produced endogenously by the organism itself (symbiotic) or generated through a mutualistic relationship with bioluminescent bacteria (non-symbiotic), resulting in light production on a glandular organ of animals. Light organs are most commonly found in marine animals, including many species of fish and cephalopods. The organ can be simple, or as complex as the human eye, equipped with lenses, shutters, color filters, and reflectors; unlike an eye, however, it is optimized to produce light, not absorb it. In the context of developmental biology, light organs form through precise genetic regulation and, in some cases, microbial colonization during specific stages of an organism's life cycle. They play a crucial evolutionary role in enabling species to adapt to low-light or dark environments, particularly in the deep sea. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Siphon (mollusc)
A siphon is an anatomical structure which is part of the body of aquatic molluscs in three Class (biology), classes: Gastropoda, Bivalvia and Cephalopoda (members of these classes include saltwater and freshwater snails, clams, octopus, squid and relatives). Siphons in molluscs are tube-like structures in which water (or, more rarely, air) flows. The water flow is used for one or more purposes such as animal locomotion, locomotion, feeding, respiration (physiology), respiration, and reproduction. The siphon is part of the mantle (mollusc), mantle of the mollusc, and the water flow is directed to (or from) the Mantle (mollusc)#The mantle cavity, mantle cavity. A single siphon occurs in some gastropods. In those bivalves which have siphons, the siphons are paired. In cephalopods, there is a single siphon or funnel which is known as a hyponome. In gastropods In some (but not all) sea snails, Marine (ocean), marine gastropod molluscs, the animal has an anterior extension of the man ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gladius
''Gladius'' () is a Latin word properly referring to the type of sword that was used by Ancient Rome, ancient Roman foot soldiers starting from the 3rd century BC and until the 3rd century AD. Linguistically, within Latin, the word also came to mean "sword", regardless of the type used. Early ancient Roman swords were similar to those of the Greeks, called ''xiphos, xiphe'' (, : ''xiphos''). From the 3rd century BC, however, the Roman Republic, Romans adopted a weapon based on the sword of the Celtiberians of Hispania in service to Carthage during the Punic Wars, known in Latin as the ''gladius hispaniensis'', meaning "Hispania, Hispanic-type sword". The Romans improved the weapon and modified it depending on how their battle units waged war, and created over time new types of "''gladii''" such as the ''Mainz gladius'' and the ''Pompeii gladius''. Finally, in the third century AD the heavy Roman infantry replaced the ''gladius'' with the ''spatha'' (already common among Roman ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
