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Arachnactidae

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Arachnactidae is a family of tube-dwelling anemones in the order Ceriantharia. It is the only family in the monotypic order Penicillaria and comprises around 38 species. They differ from other ceriantharians in the makeup of their cnidome (the types of cnidocyte present), the relative sizes of the oral discs and the shape and structure of the mesenteries. These tube anemones dwell in parchment-like tubes immersed in soft sediment, and have two whorls of tentacles, the outer ones being much longer than the inner ones.[1]

Genera

The World Register of Marine Species includes the following genera in the family :[2]

References

  1. ^ Goffredo, Stefano; Dubinsky, Zvy (2016). The Cnidaria, Past, Present and Future: The world of Medusa and her sisters. Springer International Publishing. p. 66. ISBN 978-3-319-31305-4.
  2. ^ Molodtsova, T. (2015). Arachnactidae McMurrich, 1910. Accessed through: World Register of Marine Species on 2016-02-10
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Arachnactidae: Brief Summary

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Arachnactidae is a family of tube-dwelling anemones in the order Ceriantharia. It is the only family in the monotypic order Penicillaria and comprises around 38 species. They differ from other ceriantharians in the makeup of their cnidome (the types of cnidocyte present), the relative sizes of the oral discs and the shape and structure of the mesenteries. These tube anemones dwell in parchment-like tubes immersed in soft sediment, and have two whorls of tentacles, the outer ones being much longer than the inner ones.

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Arachnactidae ( Spanish; Castilian )

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 src=
Fases larva y pólipo de Arachnactis albida

Arachnactidae es una familia de hexacorales marinos que pertenecen al orden Ceriantharia, dentro de la clase Anthozoa.

Su aspecto es similar a las anémonas de mar, y frecuentemente confundidos con ellas. Se diferencian en que los Ceriantharia carecen de disco pedal, siendo puntiagudo el extremo inferior de su elástico cuerpo, que, mediante presión hidrostática se ensancha en forma de bulbo.[1]​ Con estos movimientos, consigue enterrarse en sustratos blandos y anclarse, o desaparecer ante algún peligro.

La familia se caracteriza por poseer estructuras internas de nematocistos denominadas acontios, y por tener nematocistos del tipo microbasic-p-mastigoforos o microbasic amastigoforos.[2]

Géneros

Arachnactidae comprende los siguientes géneros, según el Registro Mundial de Especies Marinas:[3]

Referencias

  1. Debelius, Helmut y Baensch, Hans A. Atlas Marino. Mergus. 1997. pág. 404-413
  2. Daly, M., M.R. Brugler, P. Cartwright, A.G. Collins, M.N. Dawson, D.G. Fautin, S.C. France, C.S. McFadden, D.M. Opresko, E. Rodriquez, S.L. Romano, J.L. Stake. (2007). The phylum Cnidaria: A review of phylogenetic patterns and diversity 300 years after Linnaeus. Zootaxa (1668)
  3. Molodtsova, T. (2013). Arachnactidae. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=100682. Consultado el 30-10-2013

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Arachnactidae: Brief Summary ( Spanish; Castilian )

provided by wikipedia ES
 src= Fases larva y pólipo de Arachnactis albida

Arachnactidae es una familia de hexacorales marinos que pertenecen al orden Ceriantharia, dentro de la clase Anthozoa.

Su aspecto es similar a las anémonas de mar, y frecuentemente confundidos con ellas. Se diferencian en que los Ceriantharia carecen de disco pedal, siendo puntiagudo el extremo inferior de su elástico cuerpo, que, mediante presión hidrostática se ensancha en forma de bulbo.​ Con estos movimientos, consigue enterrarse en sustratos blandos y anclarse, o desaparecer ante algún peligro.

La familia se caracteriza por poseer estructuras internas de nematocistos denominadas acontios, y por tener nematocistos del tipo microbasic-p-mastigoforos o microbasic amastigoforos.​

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Arachnactidae ( French )

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Penicillaria

Les Arachnactidae sont une famille de cnidaires anthozoaires du groupe des Ceriantharia (les « cérianthes »), la seule de l'ordre des Penicillaria[2].

Liste des genres

Selon World Register of Marine Species (8 juin 2021)[1] :

Publications originales

  • Ordre des Penicillaria :
    • (en) J. C. Den Hartog, « Descriptions of two new Ceriantharia from the Caribbean region, Pachycerianthus curacaoensis n. sp. and Arachnanthus nocturnus n. sp., with a discussion of the cnidom and of the classification of the Ceriantharia », Zoologische Mededelingen, Naturalis, vol. 51, no 14,‎ 1977, p. 211-242 (ISSN et , OCLC , lire en ligne)
  • Famille des Arachnactidae :
    • (en) J. Playfair McMurrich, Actiniaria of the Siboga Expedition. Part I, Ceriantharia, E. J. Brill, 1910, 48 p..

Références taxinomiques

Notes et références

  1. a b et c World Register of Marine Species, consulté le 8 juin 2021
  2. Également orthographié Penicilaria (monotypique).
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Arachnactidae: Brief Summary ( French )

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Penicillaria

Les Arachnactidae sont une famille de cnidaires anthozoaires du groupe des Ceriantharia (les « cérianthes »), la seule de l'ordre des Penicillaria.

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Arachnactidae ( Italian )

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Arachnactidae McMurrich, 1910 è una famiglia di celenterati antozoi, unica famiglia dell'ordine Penicilaria[1].

Descrizione

Le Arachnactidae si differenziano dagli altri ceriantari per la composizione del loro cnidoma (i tipi di cnidociti da essi posseduti), per le dimensioni relative dei dischi orali e per la forma e la struttura dei mesenteri. Queste anemoni vivono in tubi di un materiale che ricorda la pergamena, immersi in sedimenti cedevoli. Hanno due corone di tentacoli, con quelli esterni molto più lunghi di quelli interni[2].

Tassonomia

La famiglia comprende i seguenti generi[1]

Note

  1. ^ a b (EN) Arachnactidae, in WoRMS (World Register of Marine Species). URL consultato il 14/2/2020.
  2. ^ (EN) Stefano Goffredo e Zvy Dubinsky, The cnidaria, past, present and future : the world of Medusa and her sisters, Springer, [2016], p. 66, ISBN 978-3-319-31305-4, OCLC 958357410. URL consultato il 26 febbraio 2020.

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Arachnactidae: Brief Summary ( Italian )

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Arachnactidae McMurrich, 1910 è una famiglia di celenterati antozoi, unica famiglia dell'ordine Penicilaria.

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Arachnactidae ( Dutch; Flemish )

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Arachnactidae is een familie van neteldieren uit de klasse van de Anthozoa (bloemdieren).

Geslachten

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Arachnactidae: Brief Summary ( Dutch; Flemish )

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Arachnactidae is een familie van neteldieren uit de klasse van de Anthozoa (bloemdieren).

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Arachnanthidae ( Portuguese )

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Arachnanthidae é uma família de animais cnidários antozoários da ordem Ceriantharia aparentados com as anêmonas do mar.

Géneros

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Arachnanthidae: Brief Summary ( Portuguese )

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Arachnanthidae é uma família de animais cnidários antozoários da ordem Ceriantharia aparentados com as anêmonas do mar.

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