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Nicholsonella
Taxonomy
Nicholsonella was named by Ulrich (1890). Its type is Nicholsonella ponderosa.
It was assigned to Constellariidae by Bassler (1911) and Bassler (1953); to Trepostomata by Ross (1963); to Trepostomida by Sepkoski (2002) and Bolton and Cuffey (2005); and to Amplexoporina by Ernst et al. (2017).
It was assigned to Constellariidae by Bassler (1911) and Bassler (1953); to Trepostomata by Ross (1963); to Trepostomida by Sepkoski (2002) and Bolton and Cuffey (2005); and to Amplexoporina by Ernst et al. (2017).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1890 | Nicholsonella Ulrich |
1911 | Nicholsonella Bassler |
1953 | Nicholsonella Bassler p. G106 |
1963 | Nicholsonella Ross |
2002 | Nicholsonella Sepkoski |
2005 | Nicholsonella Bolton and Cuffey |
2017 | Nicholsonella Ernst et al. p. 209 |
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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.
G. †Nicholsonella Ulrich 1890
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†Nicholsonella acanthobscura McKinney 1971
†Nicholsonella irregularis Loeblich 1942
†Nicholsonella parafrondifera McKinney 1971
†Nicholsonella ponderosa Ulrich 1890
Diagnosis
No diagnoses are available