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Spirigerellina pygmaea

Rhynchonellata - Athyridida - Diplospirellidae

Taxonomy
Spirigerellina pygmaea was named by Dagys (1974). Its type specimen is IGiG 394/76 and is a 3D body fossil. Its type locality is Karatauchik Range, at Dolnapa well, Mangyshlak, which is in a Spathian marine horizon in Kazakhstan.

Synonymy list
YearName and author
1974Spirigerellina pygmaea Dagys p. 161 figs. Pl 43, fig 8; text-fig 109
1986Spirigerellina pygmaea Grunt figs. Pl 17, figs 1, 2
1993Spirigerellina pygmaea Iordan figs. Pl 1, figs 1, 2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderAthyrididaBoucot et al. 1964
suborderAthyrididinaBoucot et al. 1964
superfamilyAthyridoideaDavidson 1881
familyDiplospirellidaeSchuchert 1894
subfamilyOchotathyridinae
genusSpirigerellina
speciespygmaea

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.

†Spirigerellina pygmaea Dagys 1974
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height27.326.708.007.350.919

Composition: low Mg calcitep
Environment: marineuc
Locomotion: stationarysubo
Attached: yesp
Life habit: low-level epifaunalsubo
Diet: suspension feedersubo
Vision: blindc
Created: 2018-11-10 18:06:04
Modified: 2018-11-10 18:06:04
Source: subo = suborder, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Smithian to the top of the Spathian or 249.90000 to 246.70000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Smithian249.9 - 248.1China (Guizhou) Spirigerellina pygmaea (229988)
Smithian249.9 - 248.1Russian Federation (Primorye) Spirigerellina pygmaea (47214)
Olenekian249.9 - 246.7Kazakhstan Spirigerellina pygmaea (72329)
Olenekian249.9 - 246.7Russian Federation Spirigerellina pygmaea (128160)
Spathian248.1 - 246.7China (Guizhou) Spirigerellina pygmaea (229990)
Spathian248.1 - 246.7Kazakhstan Spirigerellina pygmaea (type locality: 128157 132763)
Spathian248.1 - 246.7Romania Spirigerellina pygmaea (170249 170250)