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Orthis expansa
Taxonomy
Orthis expansa was named by de Sowerby and Murchison (1839) [de Sowerby in de Sowerby and Murchison 1839
= 1968 Macrocoelia sp. Diggens and Romano, p.47, pl. 5, fig. h.
Lectotype selected and reillustrated by Williams (1963, p. 457, pl. 14, fig. 2]. Its type specimen is GSM Geol. Soc. Coll. 6863, a valve (a ventral internal mould), and it is a 3D body fossil.
It was recombined as Strophomena expansa by Davidson (1871); it was recombined as Rafinesquina expansa by Reed (1917); it was recombined as Macrocoelia expansa by Williams (1963); it was recombined as Colaptomena expansa by Cocks (2008), Cocks (2010) and Villas et al. (2015).
It was recombined as Strophomena expansa by Davidson (1871); it was recombined as Rafinesquina expansa by Reed (1917); it was recombined as Macrocoelia expansa by Williams (1963); it was recombined as Colaptomena expansa by Cocks (2008), Cocks (2010) and Villas et al. (2015).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1839 | Orthis expansa de Sowerby and Murchison p. 638 figs. pl. 20, fig. 14 |
| 1871 | Strophomena expansa Davidson p. 312 figs. pl. 45, figs 1–8, 10, non fig. 9. |
| 1917 | Rafinesquina expansa Reed p. 866 |
| 1963 | Macrocoelia expansa Williams p. 455 figs. pl. 13, figs 7, 10–14; pl. 14, figs 1, 2, 5; textfig. 13. |
| 2008 | Colaptomena expansa Cocks p. 51 |
| 2010 | Colaptomena expansa Cocks p. 1164 figs. pl. 2, figs 1–4 |
| 2015 | Colaptomena expansa Villas et al. fig. 6–7 |
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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.
†Orthis expansa de Sowerby and Murchison 1839
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Diagnosis
No diagnoses are available