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Species:
Testudinella clypeata (Müller, 1786)
Valid Name:
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Parent taxa:             Genus / Family / Order / Superorder / Subclass / Class
Testudinella: Testudinellidae: Flosculariaceae: Gnesiotrocha: Monogononta: Eurotatoria
Taxonomic / nomenclatural notes:
• Type species of genus Testudinella Bory de St. Vincent, 1826.
• Testudinella elliptica (Ehrenberg) after Jersabek et al. (2003 partim: ANSP Cat. Nrs. 26, 1828) [Ref.15798].
• Marine and brackish water species. As pointed out by De Smet (2009:13) [Ref.18445], freshwater records are probably misidentified T. elliptica. A record of Testudinella sp. sub clypeata (Müller) by Kutikova & Folian (1996) [Ref.18191] from brackish Issyk-Kul Lake requires clarification.
• Leasi et al. (2013) [Ref.18613] suggest that the morphospecies T. clypeata may represent a complex of at least 7 cryptic species.
Nomenclatural status:
name in current use
Species group name declinable:
yes
Validity:
valid
Taxon Rank:
Species
Availability:
available
Original Combination:
Brachionus clypeatus
Original Spelling:
Brachionus clypeatus
Latest Revision:
De Smet, W H (2009): Zootaxa Vol. 2092: 1-20
Page last modified on: 06.05.2014 by C.D. Jersabek
Original description
 
Müller, O F (1786): Animalcula infusoria fluviatilia et marina, quæ detexit, systematice descripsit et ad vivum delineari curavit.
p.339, pl.48, figs.11-14
Müller, O F (1786): Animalcula infusoria fluviatilia et marina, quæ detexit, systematice descripsit et ad vivum delineari curavit.  p.339, pl.48, figs.11-14
Literature documentations
 
Ehrenberg, C G (1838): Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur.
Ehrenberg, C G (1838): Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur.
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Observation images
 
Image courtesy of ANSP (Jersabek et al. 2003) [Ref.15798]; females, dorsal views of contracted (right) and extended (left) specimens (1828), and ventral view (26). T. elliptica after Jersabek et al. (2003) (op. cit.); cf. De Smet (2009:11,13) [Ref.18445]. - ANSP 1828 orig. ID Myers: T. elliptica - ANSP 26 orig. ID Myers: T. clypeata
 Image courtesy of ANSP (Jersabek et al. 2003) <a href='../../Reference/Index/15798' target='_blank'>[Ref.15798]</a>; females, dorsal views of contracted (right) and extended (left) specimens (1828), and ventral view (26). T. elliptica after Jersabek et al. (2003) (op. cit.); cf. De Smet (2009:11,13) <a href='../../Reference/Index/18445' target='_blank'>[Ref.18445]</a>. - ANSP 1828 orig. ID Myers: T. elliptica - ANSP 26 orig. ID Myers: T. clypeata

SEM trophi image , courtesy of Diego Fontaneto & Giulio Melone -   Trophi website

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Bartoš, E, 1951 Sborník Klubu Přírodovědeckého v Brně29
Daday, E, 1889 Ertekezesek a Természettudományok Köreböl, Budapest19 
De Beauchamp, P M, 1909 Archives de Zoologie Experimentale et Generaleser. 4, 10 
De Smet, W H, 2005 Hydrobiologia546
De Smet, W H, 2009 Zootaxa2092 
Ehrenberg, C G, 1838 Die Infusionsthierchen als vollkommene Organismen. Ein Blick in das tiefere organische Leben der Natur.  
Gillard, A, 1947 Natuurwetenschappelijk Tijdschrift29
Hudson, C T;P H Gosse, 1886 The Rotifera; or wheel-animalcules, both British and foreign.I+II
Jersabek, C D;H Segers;B J Dingmann, 2003 The Academy of Natural Sciences of Philadelphia, Special Publications20Testudinella elliptica (Müller, 1786)
Leasi, F;C Q Tang;W H De Smet;D Fontaneto, 2013 Zoological Journal of the Linnean Society  
Müller, O F, 1786 Animalcula infusoria fluviatilia et marina, quæ detexit, systematice descripsit et ad vivum delineari curavit. 
Von Hofsten, N, 1912 Zoologiska Bidrag från Uppsala1 
Wulfert, K, 1942 Thalassia4
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  - / Pool, oligosaline04.05.1940Collection / - / Specimen preparations2048
C
  - / Pool, saline (coastal tide pool)21.05.1939Collection / - / Specimen preparations2048
C
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ANSP 0026 Testudinella clypeata (Müller, 1786)
Orig.Id.: Testudinella clypeata (Müller, 1786)
 females4 
ANSP 1828 Testudinella clypeata (Müller, 1786)
Orig.Id.: Testudinella elliptica (Ehrenberg, 1834)
 females3 
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Geographical Range:
 
Macrohabitat:
Pool, oligosaline; Pool, saline (coastal tide pool);
Microhabitat:
 
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Ecology summary:
Strictly haline; brackish to marine littoral habitats, in coastal tide pools, rock pools, and retrodunal pools; among Enteromorpha.
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Nearctis- n.s. -- n.s. -- n.s. -- n.s. -- n.s. -
Palaearctis- n.s. -- n.s. -- n.s. -- n.s. -- n.s. -A record of Testudinella clypeata (Müller, 1786) by Kutikova & Folian (1996) from brackish Issyk-Kul Lake requires clarification.
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