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Cyrtorostra subexotica

Bivalvia - Pectinida - Deltopectinidae

Taxonomy
Aviculopecten subexoticus was named by Waagen (1881). It is a 3D body fossil. Its type locality is Chidru, topmost Productus Limestone, Salt Range, which is in a Changhsingian coastal sandstone in the Chhidru Formation of Pakistan.

It was recombined as Blanfordinia subexotica by Reed (1944); it was recombined as Cyrtorostra subexotica by Nakazawa and Newell (1968).

Synonymy list
YearName and author
1881Aviculopecten subexoticus Waagen p. 309 figs. Pl 23, fig 6
1944Blanfordinia subexotica Reed p. 316
1968Cyrtorostra subexotica Nakazawa and Newell p. 70

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
—OstreomorphiFerussac 1822
RankNameAuthor
—OstreioniFerussac 1822
—OstreataFerussac 1822
superorderOstreiformiiFerussac 1822
orderPectinida(Gray 1854)
suborderAnomiidinaGray 1854
—AviculopectinoideiStarobogatov 1992
superfamilyAviculopectinoideaMeek and Hayden 1864
familyDeltopectinidae
subfamilyCyrtorostrinae()
genusCyrtorostra
speciessubexotica()

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.

†Cyrtorostra subexotica Waagen 1881
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
valve height218.712.029.020.512.0

Composition: low Mg calciteo
Composition 2: aragoniteo
Environment: marineo
Locomotion: stationaryo
Life habit: epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2007-09-07 02:56:05
Modified: 2009-12-13 03:22:38
Source: o = order, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Wuchiapingian to the top of the Changhsingian or 259.51000 to 251.90200 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Wuchiapingian259.51 - 254.14Pakistan Blanfordinia subexotica (125897)
Changhsingian254.14 - 251.902Pakistan Aviculopecten subexoticus (type locality: 89061) Blanfordinia subexotica (126882 126934)