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Leangella (Leangella) segmentum

Strophomenata - Strophomenida - Leptestiidae

Taxonomy
Leptaena segmentum was named by Lindstrom (1861). Its type specimen is RMS Br 31598, a valve (brachial valve), and it is a 3D body fossil.

It was recombined as Leangella segmentum by Cocks (1970), Bassett and Cocks (1974); it was recombined as Leangella (Leangella) segmentum by Cocks and Rong (1989), Rubel (2011).

Synonymy list
YearName and author
1970Leangella segmentum Cocks pp. 162 - 164 figs. Plate 3, fig. I, Plate 4, figs. 7-12
1974Leangella segmentum Bassett and Cocks
1989Leangella (Leangella) segmentum Cocks and Rong p. 116
2011Leangella (Leangella) segmentum Rubel

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
Lophophorata
PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderStrophomenidaOpik 1934
superfamilyPlectambonitoideaJones 1928
familyLeptestiidaeOpik 1933
genusLeangellaOpik 1933
subgenusLeangellaOpik 1933
speciessegmentum(Lindstrom 1861)

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitep
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Adult height: 1.0 to < 10g
Folds: noneg
Ribbing: minorg
Spines: noneg
Internal reinforcement: noneg
Environment: marineuc
Locomotion: stationaryf
Attached: yesp
Life habit: epifaunalf
Diet: suspension feederf
Vision: blindc
Created: 2009-06-10 11:15:24
Modified: 2009-06-10 13:15:24
Source: g = genus, f = family, c = class, p = phylum, uc = unranked clade
References: Nesnidal et al. 2013, Hendy et al. 2009, Aberhan et al. 2004, Hendy 2009

Age range: base of the Telychian to the top of the Ludlow or 438.60000 to 422.70000 Ma

Collections (57 total)


Time interval Ma Country or state Original ID and collection number
Llandovery443.1 - 432.9Lithuania Leangella segmentum (207293)
Llandovery - Wenlock443.1 - 426.7Lithuania Leangella segmentum (13742)
Llandovery - Ludlow443.1 - 422.7Lithuania Leangella segmentum (26287 26288)
Adavere438.8 - 433.5Estonia Leangella segmentum (193524)
Telychian438.6 - 432.9Canada (Ontario) Leangella segmentum (77264 77325 77327 77328)
Telychian438.6 - 432.9Canada (Nunavut) Leangella segmentum (184895)
Telychian438.6 - 432.9Lithuania Leangella segmentum (192990)
Telychian - Sheinwoodian438.6 - 430.6Sweden (Gotland) Leangella segmentum (13523)
Jaani433.5 - 431.2Lithuania Leangella segmentum (192551 192560 192581 192582 192636 193577)
Jaani433.5 - 431.2Estonia (Saare) Leangella segmentum (193575)
Jaani433.5 - 431.2Estonia Leangella segmentum (193578 193651 193676)
Jaani - Jaagarahu433.5 - 428.6Lithuania Leangella segmentum (192579)
Sheinwoodian432.9 - 430.6Sweden (Gotland) Leangella segmentum (13524 13527)
Sheinwoodian432.9 - 430.6Lithuania Leangella segmentum (192644 192991 192992)
Sheinwoodian - Homerian432.9 - 426.7Lithuania Leangella segmentum (192993)
Wenlock432.9 - 426.7Lithuania Leangella segmentum (13744 13745 13746 13748 26280 26282 26285 26286 195447 207295 207331)
Wenlock432.9 - 426.7Thailand Leangella segmentum (13987)
Wenlock432.9 - 426.7Ukraine Leangella segmentum (23364)
Wenlock432.9 - 426.7United Kingdom (England) Leangella segmentum (79881)
Jaagarahu431.2 - 428.6Lithuania Leangella segmentum (192559)
Homerian - Jaagarahu430.6 - 428.6Lithuania Leangella segmentum (192580 192583)
Homerian430.6 - 426.7Sweden (Gotland) Leangella segmentum (13529 192362)
Homerian430.6 - 426.7United Kingdom Leangella segmentum (165514)
Homerian430.6 - 426.7United Kingdom (England) Leangella segmentum (229059)
Homerian430.6 - 426.7Lithuania Leangella segmentum (192648 192994 207379 207380 207381)
Ludlow426.7 - 422.7Kazakhstan Leangella segmentum (23754)
Ludlow426.7 - 422.7Lithuania Leangella segmentum (195446)