| Loliginidae Temporal range: | |
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| European squid (Loligo vulgaris) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Order: | Myopsida |
| Family: | Loliginidae Lesueur, 1821 |
| Genera | |
See text | |
| Synonyms [2] | |
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Loliginidae, commonly known as pencil squids, is an aquatic family of squid classified in the order Myopsida.
The family Loliginidae was formerly classified in the order Teuthida.
The classification below (including 47 species) follows Vecchione et al. (2005) [3] and the Tree of Life Web Project (2010). [4]
Several doubtfully distinct species have also been described; see the genus articles for these.
Doryteuthis plei, also known as the slender inshore squid or arrow squid, is a medium-sized squid belonging to the family Loliginidae. It occurs abundantly in coastal waters of the Atlantic Ocean, from Argentina northward to North Carolina.
Myopsida is one of the four orders of squid. It consists of two families: the monotypic Australiteuthis and the diverse and commercially important Loliginidae. Some taxonomists classify this taxon as a suborder of the order Teuthida, in which case it is known as Myopsina. This reclassification is due to Myopsina and Oegopsina not being demonstrated to form a clade.
The longfin inshore squid is a species of squid of the family Loliginidae.
Loligo is a genus of squid and one of the most representative and widely distributed groups of myopsid squid.
The European squid or common squid is a large squid belonging to the family Loliginidae. It occurs abundantly in coastal waters from the North Sea to at least the west coast of Africa. This species lives from sea level to depths of 500 m (1,600 ft). Its mantle is up to 40 cm (16 in) long. The species is extensively exploited by commercial fisheries.
Doryteuthis opalescens, the opalescent inshore squid or market squid, is a small species of squid in the family Loliginidae. It is a myopsid squid, a near shore group with corneas over their eyes. The species is found in the eastern Pacific Ocean from Baja California, Mexico to Alaska, United States, and as an inshore squid can be found within a range of 200 miles (320 km) off the coast.
A. aldrichi is a small species of squid found in northern Australian waters. The species was described by Chung Cheng Lu in 2005 based on specimens collected in the inshore waters of Northern Australia. The largest known individual of this species is a mature female measuring 27.6 mm (1.09 in) in mantle length (ML). The holotype is a mature male of 21.3 mm (0.84 in) ML. A live specimen of A. aldrichi has yet to be recorded.
Pickfordiateuthis pulchella, the grass squid, is a species of squid in the family Loliginidae. There was a single specimen of Pickfordiateuthis pulchella found when testing 246 specimens available in the area of Cabo de São Tomé (22°S) and Cananéia (25°S) at depths down to 200 m (660 ft) from 1991 to 2005. The amount of this species peaked in different areas and were associated with distinct oceanographic conditions. Migratory species. They are often found in sea grass. Nesting grounds are usually crevices in rocky coral or reef points near to beaches. These are small, muscular squids that occupy neritic waters often in association with small patch reefs and seagrass. In spite of the accessible habitat, the squid is rarely captured and little is known of its biology.
Alloteuthis africana, also known as the African squid, is a species of squid in the family Loliginidae. This species of squid is restricted to the Guinean province. To identify the Alloteuthis africana from other Alloteuthis congeners, it is highly recommended to measure the width of the squids head and the sucker size.
Pickfordiateuthis is a genus of tiny squid in the family Loliginidae. While four species have been assigned to the genus, only three have been named. No member is known to reach a maximum mantle length of more than 22 mm (0.87 in).
Sepioteuthis, commonly known as reef squids or oval squids, is a genus of pencil squid. Reef squids are easily recognizable by their large rounded fins that extend along almost the entire length of their mantles, giving them a superficial resemblance to cuttlefish.
Sepioteuthis lessoniana, commonly known as the bigfin reef squid, tiger squid, glitter squid, oval squid, or northern calamari, is a species of loliginid squid. It is one of the three currently recognized species belonging to the genus Sepioteuthis. Studies in 1993, however, have indicated that bigfin reef squids may comprise a cryptic species complex. The species is likely to include several very similar and closely related species.
Uroteuthis is a genus of 14 species of common inshore squids of the Indo-West Pacific and is further subdivided into 3 subgenera. The members of the genus Uroteuthis are the only squids of the family Loliginidae that possess photophores and all species in the genus have a pair of photophore organs on the ventral surface of their ink sac either side of their intestine.
Alloteuthis media, the midsize squid or little squid, is a species of squid in the family Loliginidae from the eastern Atlantic and the Mediterranean Sea. It is generally a by-catch species in trawl fisheries, although there is an active fishery in the western Mediterranean.
Doryteuthis is a genus of squid from the waters of the western Atlantic and eastern Pacific, off the coast of the Americas. The various species are the common inshore squids of American waters. Some species are important quarry species for fisheries.
Loliolus is a genus of squid from the family Loliginidae from the Indo-Pacific region. The genus is divided into two subgenera Loliolus and Nipponololigo. They are small squids of less than 150 mm (5.9 in) in mantle length which have an expanded tentacular club. This club has 4 series of suckers. The sucker rings have plate-like teeth which are square in shape all around them. The males' hectocotylus has a ventral crest which is created by the fusion of the protective membrane with the ventral series of papillae and this crest completely obscures the conical shape of the papillae. The mantle is rounded posteriorly and lacks the posterior tail-like lobe while the fins are positioned on the rear of the mantle and extend to the posterior tip of the mantle. Their eggs are small and the males' spermatophore has a short cement body. They do not possess photophores. The two subgenera are distinguished by the hectocotylus which in Loliolus encompasses the entire arm and there are no unmodified suckers while in Nipponololigo the arm is only partly hectocotylsed and has normal suckers at its base.
Lolliguncula is a genus of squid from the family Loliginidae from the eastern Pacific and western Atlantic, known as brief squid. The genus is divided into two subgenera Lolliguncula and Loliolopsis. They are rather small squids with a maximum mantle length of 120mm, that inhabit shallow warm seas, although some species have been recorded in areas of low salinity. They are typified by having a short mantle, which is round at the posterior; and fins that are broader than long, but which have no posterior lobes. The males produce spermatophores with a long cement body and they lack a ventral crest on their hectocotylus. Their suckers have square teeth which ring the entire margin or are placed distally. The males do not have enlarged suckers on the left ventral arm. The tentacular club is expanded and contains suckers in four series. The two subgenera differ in the morphology of the hectocotylus.
Pickfordiateuthis vossi, commonly known as Voss' grass squid, is a small species of squid in the family Loliginidae. P. Vossi has a mantle length of 15mm (female) and 13mm (male) at maturity. It has a long, slender body and large eyes, characteristic of deep-sea squid species. Found in the Eastern Central Pacific Ocean. They are demersal and are found in tropical oceans, mid-water to deep-water environments. This species was originally described in 1996.
Lolliguncula argus, commonly known as the Argus brief squid or the Argus thumbstall squid, is a species of squid in the family Loliginidae. It is a coastal species, found in the eastern Pacific, near Ecuador and Costa Rica.
Doryteuthis roperi, commonly known as the roper inshore squid, is a small-sized species of squid in the Loliginidae family. It has a maximum mantle length of 72 mm (2.8 in). It is found in the Western Atlantic Ocean; the Caribbean Sea and the Gulf of Mexico, at a depth of between 45 and 304 m.
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