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Leangella (Leptestiina) derfelensis oepiki
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).
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
Synonymy list
| Year | Name and author |
|---|---|
| 1938 | Sampo opiki Whittington p. 255 figs. pl. 10, figs 15–16; pl. 11, fig. 10 |
| 1955 | Sampo oepiki Williams |
| 1963 | Leptestiina oepiki Williams p. 428 figs. pl. 10, figs 15–16, 19–21 |
| 1989 | Leangella (Leptestiina) oepiki Cocks and Rong p. 117 figs. pl. 10, figs 15–16; pl. 11, fig. 10 |
| 2010 | Leangella (Leptestiina) derfelensis oepiki Cocks pp. 1185 - 1186 figs. Plate 7, figures 9–17 |
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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.
†Leangella (Leptestiina) derfelensis oepiki Whittington 1938
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Diagnosis
No diagnoses are available