Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Whitspakia biplex

Rhynchonellata - Terebratulida - Dielasmatidae

Taxonomy
Dielasma biplex was named by Waagen (1882).

It was recombined as Dielasma (Heterelasma) biplex by Reed (1944); it was recombined as Pakistania biplex by Stehli (1961); it was recombined as Whitspakia biplex by Stehli (1964), Fantini Sestini (1965), Fantini Sestini (1965), Angiolini and Carabelli (2010).

Synonymy list
YearName and author
1882Dielasma biplex Waagen p. 349 figs. Pl 25, figs 3-5
1897Dielasma biplex Diener p. 74 figs. Pl 11, figs 6,7,?5
1915Dielasma biplex Diener p. 98 figs. Pl 10, figs 10,11
1944Dielasma (Heterelasma) biplex Reed p. 162 figs. Pl 50, fig 9
1961Pakistania biplex Stehli p. 463
1964Whitspakia biplex Stehli p. 610
1965Whitspakia biplex Fantini Sestini p. 80 figs. Pl 8, fig 2
1977Dielasma biplex Yang et al. p. 468 figs. Pl 188, fig 6
1982Dielasma biplex Wang et al. p. 256 figs. Pl 96, fig 22
2010Whitspakia biplex Angiolini and Carabelli p. 84 figs. Pl 5, figs 31,32

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderTerebratulida
suborderTerebratulidina
superfamilyDielasmatoideaSchuchert 1913
familyDielasmatidaeSchuchert 1913
subfamilyDielasmatinaeSchuchert 1913
genusWhitspakia
speciesbiplex()

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.

†Whitspakia biplex Waagen 1882
show all | hide all
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height712.66.3022.314.05.30

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationaryo
Attached: yesp
Life habit: low-level epifaunalo
Diet: suspension feedero
Vision: blindc
Created: 2004-02-28 14:14:12
Modified: 2018-11-10 17:47:38
Source: o = order, c = class, p = phylum, uc = unranked clade
References: Aberhan et al. 2004, Nesnidal et al. 2013

Age range: base of the Kungurian to the top of the Changhsingian or 283.30000 to 251.90200 Ma

Collections (41 total)


Time interval Ma Country or state Original ID and collection number
Kungurian283.3 - 274.4China (Hubei) Dielasma biplex (121058)
Roadian274.4 - 266.9China (Xinjiang) Whitspakia biplex (123272)
Roadian - Wordian274.4 - 264.28Myanmar Dielasma biplex (208999)
Wordian266.9 - 264.28Iran (Tehran) Whitspakia biplex (43298)
Wordian266.9 - 264.28Pakistan Dielasma biplex (125871)
Wuchiapingian259.51 - 254.14China (Xizang) Dielasma biplex (89203)
Wuchiapingian259.51 - 254.14Pakistan Dielasma biplex (119550 119741 119742 125898 125903 125907 125908 125909 125910 125912 125918 126263 126267 126279 126280 126293 126340 126341 126342 126343 126452 126459 126691 126939 126995 127006 127007 127028) Pakistania biplex (118120)
Lopingian259.51 - 251.902India Dielasma biplex (230850)
Wuchiapingian - Changhsingian259.51 - 251.902Pakistan Dielasma biplex (126746 126986)
Changhsingian254.14 - 251.902Iran Whitspakia biplex (125638)
Changhsingian254.14 - 251.902China (Fujian) Dielasma biplex (120095)
Changhsingian254.14 - 251.902China (Hunan) Dielasma biplex (105918)