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Rafinesquina (Playfairia)
Taxonomy
Rafinesquina (Playfairia) was named by Conrad (1839).
It was reranked as Playfairia by Reed (1945) and Williams et al. (2000).
It was assigned to Rafinesquina by Reed (1917); to Brachiopoda by Reed (1945); and to Strophomenoidea by Williams et al. (2000).
It was reranked as Playfairia by Reed (1945) and Williams et al. (2000).
It was assigned to Rafinesquina by Reed (1917); to Brachiopoda by Reed (1945); and to Strophomenoidea by Williams et al. (2000).
Species lacking formal opinion data
Rafinesquina carlottina, Rafinesquina deerensis, Rafinesquina esmondensis, Rafinesquina hermitagensis, Rafinesquina lennoxensis, Rafinesquina loxorhytis, Rafinesquina okulitchi, Rafinesquina orleansensis, Rafinesquina patula, Rafinesquina praecursor, Rafinesquina sardesoni, Rafinesquina subaequiclina
Synonymy list
Year | Name and author |
---|---|
1839 | Rafinesquina (Playfairia) Conrad p. 866 |
1917 | Rafinesquina (Playfairia) Reed p. 866 |
1945 | Playfairia Reed |
2000 | Playfairia Williams et al. p. 302 |
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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.
Subg. †Rafinesquina (Playfairia) Conrad 1839
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†Rafinesquina (Playfairia) deltoidea Conrad 1839
Diagnosis
Reference | Diagnosis | |
---|---|---|
F. R. C. Reed 1917 | Shell concavo-convex, generally geniculated. Interior of pediclevalve
with small subcircular or subpentagonal muscle-scar, about one-fourth the length of the valve; vascular markings and pustules generally present. Brachial valve with internal characters closely resembling Leptaena. |