tailfan

tailfan
See: caudal fan [Martin, 2005].
As a unit, telson and two pairs of uropods [Butler, T.H.].
Combination of broad, flat uropods lying alongside the telson [Brusca and Brusca, 2002].
Combined telson and uropods in many malacostracans [Brusca and Brusca, 2002].
See: caudal fan [McLaughlin, 1980].
Telson plus pair of uropods [Poore, 2004].
(Order Decapoda):
Posterior fan-like structure formed by combination of uropods and telson. (asymmetrical, symmetrical). (Syn. caudal fan) [Stachowitsch, 1992].
(Order Mysida):
Posterior fan-like structure formed by combination of uropods and telson [Stachowitsch, 1992].
(Order Stomatopoda):
Posterior fan-like structure formed by combination of uropods and telson [Stachowitsch, 1992].
(Superorder Syncarida):
In anaspidacean, posterior fan-like structure formed by combination of uropods and telson [Stachowitsch, 1992].
(Order Euphausiacea):
Posterior fan-like structure formed by combination of uropods and telson. (Syn. caudal fan) [Stachowitsch, 1992].

Crustacea glossary. . 2011.

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  • tailfan — [tāl′fan΄] n. the fanlike structure at the rear of a crayfish or lobster, used for swimming backward * * * tail fan n. The fanlike posterior structure of a lobster, shrimp, or other crustacean, formed from the telson and the last pair of uropods… …   Universalium

  • tailfan — [tāl′fan΄] n. the fanlike structure at the rear of a crayfish or lobster, used for swimming backward …   English World dictionary

  • tailfan — see caudal fan …   Dictionary of invertebrate zoology

  • tailfan — tail•fan [[t]ˈteɪlˌfæn[/t]] n. zool. the fanlike posterior appendage of crayfish and lobsters, used for backward propulsion • Etymology: 1890–95 …   From formal English to slang

  • uropod — A paired biramous appendage attached to the sixth abdominal somite in all but the true crabs and usually combining with the telson to form a tail fan [Chace and Hobbs, 1969]. An appendage of the last (6th) abdominal segment [Warner, 1977].… …   Crustacea glossary

  • telson — ( ) [Baba, 2005]. Entire animal, right appendages omitted, dorsal view, based on Munida. [Baba, 2005] Last somite of body, bearing arms and commonly caudal furca or pair of cerci, growth zone for postcephalic somites located at its anterior edge …   Crustacea glossary

  • caudal fan — Combination of laterally expanded uropods and telson turned backwards to form powerful swimming structure or means of steering and balancing. (Syn. tail fan, rhipidura) [Moore and McCormick, 1969]. Powerful swimming structure formed of laterally… …   Crustacea glossary

  • Rump (croup) — The rump or croup, in the external morphology of an animal, is the portion of the posterior dorsum that is posterior to the loins and anterior to the tail. Anatomically, the rump corresponds to the sacrum. The tailhead or dock is the beginning of …   Wikipedia

  • Rump (animal) — The rump is anterior to the animal s tail (here on a draft horse) The rump or croup, in the external morphology of an animal, is the portion of the posterior dorsum that is posterior to the loins and anterior to the tail. Anatomically, the rump… …   Wikipedia

  • caudal fan — 1. (ARTHROPODA: Crustacea) A structure formed of laterally expanded uropods and telson that functions in swimming or steering and balancing; tailfan. 2. (ARTHROPODA: Insecta) For mosquito larvae see ventral brush …   Dictionary of invertebrate zoology

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