Deep-sea Entoprocta from the Sea of Okhotsk and the adjacent open Pacific abyssal area: New species and new taxa of host animals

Borisanova, A. O.; Chernyshev, A. V.; Ekimova, Irina

doi:10.1016/j.dsr2.2017.11.010

Cited by 11 publications

(3 citation statements)

References 30 publications

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“…Some of them also known from brackish water region. About 180 species are known under this phylum (Borisanova, 2018). Loxosomella profundorum was found at 5222 meters depth in the Kamchatka Trench of the Northeast Pacific (Borisanova, 2015).…”

Section: Introductionmentioning

confidence: 99%

A checklist of Entoprocta from India

Chatterjee¹

2021

Acta Biologica

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This paper compiles the entoproct species recorded from India, Altogether 7 species belong to 4 genera viz. Barentsia (3 species), Loxosomatoides (2 species), Pedicellina (1 species), and Urnatella (1 species) were reported from India. Two species viz. Barentsia gracilis and Pedicellina cernua were recorded from both east and west coast of India. Lista gatunków należących do typu Entoprocta z IndiiSłowa kluczowe Entoprocta, Kamptozoa, bioróżnorodność, lista gatunków, Indie StreszczenieNiniejsza praca zestawia gatunki Entoprocta zarejestrowane w Indiach. W sumie 7 gatunków należy do 4 rodzajów, a mianowicie: Barentsia (3 gatunki), Loxosomatoides (2 gatunki), Pedicellina (1 gatunek) i Urnatella (1 gatunek) zostały stwierdzone w Indiach. Dwa gatunki, mianowicie -Barentsia gracilis i Pedicellina cernua zostały zarejestrowane zarówno na wschodnim, jak i zachodnim wybrzeżu Indii.

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Section: Introductionmentioning

confidence: 99%

A checklist of Entoprocta from India

Chatterjee¹

2021

Acta Biologica

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“…In the seas of Russia Entoprocta is one of the less studied groups of invertebrate animals. At present only about 30 species were described from the seas of Russia (Nilus, 1909;Derjugin, 1928;Kluge, 1946;Krylova, 1986;Bagrov, Slyusarev, 2002;Borisanova, Krylova, 2014;Borisanova, 2016a, b;Borisanova, Potanina, 2016;Borisanova et al, 2018). Most of the described species are known from the White Sea.…”

Section: Introductionmentioning

confidence: 99%

“…But the studies of the last few years have shown that the diversity of Entoprocta in the seas of Russia is richer than it was previously believed. New species have been described, including species from the Kara Sea (Borisanova, 2016a) and the Sea of Okhotsk (Borisanova, Potanina, 2016;Borisanova et al, 2018), where there were no records of Entoprocta before. In this study a new species of solitary Entoprocta from the Laptev Sea is described, where only two entoproct species were previously known, solitary Loxosoma cingulata Kluge, 1946 andcolonial Barentsia discreta (Busk, 1886) (Kluge, 1946).…”

Section: Introductionmentioning

confidence: 99%

A new species of solitary Entoprocta (Loxosomatidae) from the Laptev Sea with notes on entoproct epibionts of polychaetes

Borisanova

2018

Invertzool

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A new solitary entoproct species, Loxosomella apicalis sp.n., is described from the Laptev Sea from the depths of 72-90 m. L. apicalis sp.n. is a small species with a body length of 158-323 µm and with an extremely short stalk. Calyx bears 8 tentacles, buds emerge from a frontal budding area. The species is an epibiont of polychaete worms Aglaophamus malmgreni (Nephtyidae). Specimens of L. apicalis sp.n. are attached to the tips of the dorsal cirri or the tips of the gills of the parapodia. The base of the stalk of L. apicalis sp.n. grasps tightly the tip of the cirris or the gill. The list of all entoproct species associated with nephtyid polychaetes is given as well as the list of all polychaete families hosted solitary entoprocts, with indication of loxosomatid species. How to cite this article: Borisanova A.O. 2018. A new species of solitary Entoprocta (Loxosomatidae) from the Laptev Sea with notes on entoproct epibionts of polychaetes //

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A new Entoprocta species from the northwestern Weddell Sea shelf (Southern Ocean), its soft-sediment habitat and possible polychaete hosts

Corus,

Weith,

Veit-Köhler

2024

Polar Biol

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Rare meiofauna taxa are often indicators of specific environmental conditions. A new and rare species of Entoprocta from the Southern Ocean, its abundance, habitat and possible commensal relationship with Polychaeta are presented. During the RV Polarstern expedition PS118 (2019) to the northwestern Weddell Sea, sediment samples were taken with a multicorer. The species of the family Loxosomatidae was discovered in the meiofauna size fraction of samples of only one of three investigated stations (413–415 m depth). Loxosomella sigridae sp. nov. is a solitary, medium-sized entoproct (total length up to 773 µm). Decisive characters of the adult include twelve tentacles, an aborally situated Y-shaped cell row, paired accessory gland cells along the foot groove and smooth adhesive papillae at the tip of the foot. The reproductive cycle of Loxosomella sigridae sp. nov. has a sexual and an asexual phase via larvae and bud-carrying individuals, respectively. We present confocal laser-scanning images of both developmental stages. Integrative methods are used to describe the habitat of Loxosomella sigridae sp. nov. and gain insight in its relationship to possible host organisms. We discuss co-occurring polychaete families and their ecology and conclude that Cirratulidae and/or Paraonidae may most likely be the hosts of Loxosomella sigridae sp. nov.

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Deep-sea Entoprocta from the Sea of Okhotsk and the adjacent open Pacific abyssal area: New species and new taxa of host animals

Cited by 11 publications

References 30 publications

A checklist of Entoprocta from India

A checklist of Entoprocta from India

A new species of solitary Entoprocta (Loxosomatidae) from the Laptev Sea with notes on entoproct epibionts of polychaetes

A new Entoprocta species from the northwestern Weddell Sea shelf (Southern Ocean), its soft-sediment habitat and possible polychaete hosts

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