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Leangella (Leptestiina) derfelensis oepiki

Strophomenata - Strophomenida - Leptestiidae

Taxonomy
Sampo opiki was named by Whittington (1938) [Sampo öpiki Lectotype (originally registered BU 319) selected by Cocks (2008, p. 84)]. Its type specimen is BIRUG BU 245, a valve (ventral valve internal mould), and it is a 3D body fossil. Its type locality is old quarry 400 m E of an ancient hillfort at Bryngwyn Hill, which is in a Longvillian/Woolstonian carbonate horizon in the Gaer Fawr Formation of the United Kingdom.

It was corrected as Sampo oepiki by Williams (1955); it was recombined as Leptestiina oepiki by Williams (1963); it was recombined as Leangella (Leptestiina) oepiki by Cocks and Rong (1989); it was recombined as Leangella (Leptestiina) derfelensis oepiki by Cocks (2010).

Sister species lacking formal opinion data
L. llandeiloensis, L. namurensis, L. mutabilis, Leptestiina veturna

Synonymy list
YearName and author
1938Sampo opiki Whittington p. 255 figs. pl. 10, figs 15–16; pl. 11, fig. 10
1955Sampo oepiki Williams
1963Leptestiina oepiki Williams p. 428 figs. pl. 10, figs 15–16, 19–21
1989Leangella (Leptestiina) oepiki Cocks and Rong p. 117 figs. pl. 10, figs 15–16; pl. 11, fig. 10
2010Leangella (Leptestiina) derfelensis oepiki Cocks pp. 1185 - 1186 figs. Plate 7, figures 9–17

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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
subgenusLeptestiina
speciesderfelensis()
subspeciesoepiki(Whittington 1938)

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
Environment: marineuc
Locomotion: stationaryf
Attached: yesp
Life habit: epifaunalf
Diet: suspension feederf
Vision: blindc
Created: 2009-04-13 10:33:01
Modified: 2018-11-10 17:59:51
Source: f = family, c = class, p = phylum, uc = unranked clade
References: Hendy et al. 2009, Nesnidal et al. 2013, Aberhan et al. 2004

Age range: base of the Haljala to the top of the Woolstonian or 456.80000 to 454.00000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Longvillian - Woolstonian457.2 - 454.0United Kingdom (Wales) Sampo opiki (173756)
Haljala - Keila456.8 - 453.0Norway (Oslo-Asker) Sampo oepiki (191101)