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Dystactella biarmica

Bivalvia - Solemyida - Solemyidae

Taxonomy
Solemya biarmica was named by de Verneuil (1845). It is a 3D body fossil. Its type locality is Kniaspavlova, Itschalki-Barnoukova road, which is in a Kungurian/Roadian lagoonal/restricted shallow subtidal limestone in the Russian Federation.

It was recombined as Janeia biarmica by King (1850), Fantini Sestini (1965) and Logan (1967); it was recombined as Solemya (Janeia) biarmica by Diener (1903) and Muromtseva and Guskov (1984); it was recombined as Dystactella biarmica by Bailey (2021).

Synonyms
Synonymy list
YearName and author
1845Solemya biarmica de Verneuil p. 294 figs. Pl 19, fig 4
1848Solenimya abnormis Howse p. 244
1850Janeia biarmica King p. 178 figs. Pl 16, fig 7
1857Solemya abnormis Howse p. 309 figs. Pl 4, figs 8, 9
1861Solemya biarmica Geinitz p. 60 figs. Pl 12, figs 18,19
1903Solemya (Janeia) biarmica Diener p. 173 figs. Pl 8, figs 7,8
1944Solemya biarmica Reed p. 301 figs. Pl 53, fig 12
1965Janeia biarmica Fantini Sestini p. 208 figs. Pl 24, fig 17
1967Janeia biarmica Logan p. 60 figs. Pl 10, figs 11,12
1984Solemya (Janeia) biarmica Muromtseva and Guskov p. 34 figs. Pl 24, figs 4-7
2021Dystactella biarmica Bailey p. 32

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
RankNameAuthor
subclassProtobranchia(Pelseneer 1889)
superorderNuculiformiiDall 1889
orderSolemyidaNewell 1965
superfamilySolemyoideaAdams and Adams 1857
familySolemyidaeAdams and Adams 1857
subfamilyClinopisthinae(Pojeta 1988)
genusDystactellaHall and Whitfield 1872
speciesbiarmica()

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.

†Dystactella biarmica de Verneuil 1845
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Invalid names: Solemya abnormis Howse 1848 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmean
shell height115.0
valve height117.5

Composition: aragonitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 1.0 to < 10f
Adult height: 10 to < 100f
Thickness: thinf
Reinforcement: nof
Ontogeny: accretionf
Environment: lagoonal, coastal, inner shelf, outer shelf, oceanicf
Locomotion: facultatively mobilef
Life habit: infaunalf
Diet: deposit feederf
Diet 2: chemosymbioticf
Vision: blindc
Created: 2008-11-15 10:20:27
Modified: 2009-09-21 15:59:49
Source: f = family, c = class
References: Mikkelsen and Bieler 2008, Aberhan et al. 2004

Age range: base of the Roadian to the top of the Changhsingian or 272.30000 to 252.17000 Ma

Collections (19 total)


Time interval Ma Country or state Original ID and collection number
Kungurian - Roadian279.3 - 268.8Russian Federation Solemya biarmica (type locality: 117245)
Late/Upper Kazanian272.5 - 268.0Russian Federation Solemya biarmica (197540)
Roadian272.3 - 268.8Russian Federation Solemya biarmica (117274 117275)
Roadian - Wordian272.3 - 264.28China (Xinjiang) Janeia biarmica (123275)
Capitanian264.28 - 259.51China (Sichuan) Solenomya biarmica (138568)
Wuchiapingian259.9 - 254.17China (Guizhou) Solemya biarmica (121006)
Wuchiapingian259.9 - 254.17Germany Solenomya phillipsiana (161276)
Wuchiapingian259.9 - 254.17United Kingdom Solemya abnormis (130867) Solenimya abnormis (130871 130872)
Wuchiapingian259.9 - 254.17United Kingdom (England) Janeia biarmica (112855 130766)
Wuchiapingian259.9 - 254.17Lithuania Janeia biarmica (46464)
Wuchiapingian259.9 - 254.17India Solemya biarmica (230622)
Wuchiapingian - Changhsingian259.9 - 252.17Pakistan Solemya biarmica (126982)
Changhsingian254.17 - 252.17China (Guizhou) Solemya biarmica (112113 121007)
Changhsingian254.17 - 252.17Pakistan Solemya biarmica (126883)