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Megayoldia (Portlandella)
Taxonomy
Portlandia (Portlandella) was named by Stewart (1930).
It was Yoldia (Portlandella) by Sinelnikova (1991); it was synonymized subjectively with Portlandia by Coan et al. (2000); it was Megayoldia (Portlandella) by Kafanov et al. (2001) and Kafanov and Ogasawara (2003).
It was assigned to Portlandia by Moore (1963) and Woodring (1973); to Yoldia by Sinelnikova (1991); and to Megayoldia by Kafanov et al. (2001) and Kafanov and Ogasawara (2003).
It was Yoldia (Portlandella) by Sinelnikova (1991); it was synonymized subjectively with Portlandia by Coan et al. (2000); it was Megayoldia (Portlandella) by Kafanov et al. (2001) and Kafanov and Ogasawara (2003).
It was assigned to Portlandia by Moore (1963) and Woodring (1973); to Yoldia by Sinelnikova (1991); and to Megayoldia by Kafanov et al. (2001) and Kafanov and Ogasawara (2003).
Subtaxa
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1930 | Portlandia (Portlandella) Stewart p. 61 |
1963 | Portlandia (Portlandella) Moore p. 57 |
1973 | Portlandia (Portlandella) Woodring p. 495 |
1991 | Yoldia (Portlandella) Sinelnikova p. 152 |
2001 | Megayoldia (Portlandella) Kafanov et al. |
2003 | Megayoldia (Portlandella) Kafanov and Ogasawara p. 50 |
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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. †Megayoldia (Portlandella) Stewart 1930
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†Megayoldia (Portlandella) pilvoensis Slodkewitsch 1938
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Invalid names: Yoldia obtusata Kristofovich 1984 [synonym]
†Megayoldia (Portlandella) watasei Kanehara 1937
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Invalid names: Yoldia deformis Kogan 1939 [synonym]
†Portlandia (Portlandella) euthynta Woodring 1973
†Portlandia (Portlandella) reagani Dall 1922
Diagnosis
No diagnoses are available