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Pterygocythereis rocana

Ostracoda - Podocopida - Brachycytheridae

Taxonomy
Alatacythere rocana was named by Bertels (1969). Its type specimen is FCEN-LM 275, a carapace (Complete caparace), and it is a 3D body fossil.

It was recombined as Pterygocythereis rocana by Carignano (2012).

Sister species lacking formal opinion data
P. ceratoptera, P. cornuta, P. fimbriata, P. inexpectata, P. jonesii

Synonymy list
YearName and author
1969Alatacythere rocana Bertels p. 271 figs. 2a-b
1974Alatacythere rocana Bertels
1980Alatacythere rocana Ballent
2012Pterygocythereis rocana Carignano

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—EcdysozoaAguinaldo et al. 1997
—Panarthropoda
phylumArthropodaGravenhorst 1843
—Deuteropoda
—Mandibulata
—PancrustaceaZrzavý and Štys 1997
RankNameAuthor
—Hymenostraca(Rolfe 1969)
superclassOligostracaZrzavý et al. 1997
classOstracoda
subclassPodocopaSars 1865
orderPodocopidaSars 1866
suborderSigilliocopinaMartens 1992
superfamilyCytheroidea(Baird 1850)
familyBrachycytheridaePuri 1954
genusPterygocythereis(Blake 1933)
speciesrocana()

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Pterygocythereis rocana Bertels 1969
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Diagnosis
ReferenceDiagnosis
A. Bertels 1969Species of the genus Alatacythere with small, compressed shell, with a ventral expansion (wing) on it posterior zone.
Measurements
No measurements are available
Composition: low Mg calcitec
Environment: hypersaline, marine, brackish, freshwaterc
Locomotion: actively mobilec
Life habit: epifaunalo
Diet: detritivoreo
Diet 2: grazero
Vision: limitedc
Created: 2010-02-05 02:00:00
Modified: 2010-02-23 23:16:56
Source: o = order, c = class
References: Jell and Adrain 2002, Kiessling 2004

Age range: Early/Lower Maastrichtian or 72.20000 to 66.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian - Early/Lower Maastrichtian83.6 - 66.0Argentina (Río Negro) Alatacythere rocana (231990 231991 231992)
Early/Lower Maastrichtian72.2 - 66.0Argentina (Neuquén) Alatacythere rocana (93947)
Late/Upper Maastrichtian - Danian72.2 - 61.66Argentina (Neuquén) Alatacythere rocana (232029)
Maastrichtian - Danian72.2 - 61.66Argentina (Rio Negro) Alatacythere rocana (236601)