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Cassianoides sexcostatus
Taxonomy
Pseudomonotis sexcostatus was named by Stuckenberg (1898).
It was recombined as Aviculopecten sexcostatus by Muromtseva and Guskov (1984); it was recombined as Cassianoides sexcostatus by Nakazawa (1999).
It was recombined as Aviculopecten sexcostatus by Muromtseva and Guskov (1984); it was recombined as Cassianoides sexcostatus by Nakazawa (1999).
Synonyms
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Synonymy list
Year | Name and author |
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1898 | Pseudomonotis sexcostatus Stuckenberg |
1930 | Cyrtorostra sexradiata Branson |
1963 | Cassianella sexradiata Ciriacks p. 45 figs. Pl 5, figs 5-7 |
1984 | Aviculopecten sexcostatus Muromtseva and Guskov p. 61 figs. Pl 27, fig 6; pl 33, figs 10-13 |
1999 | Cassianoides sexcostatus Nakazawa p. 15 fig. 6.5 |
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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.
†Cassianoides sexcostatus Stuckenberg 1898
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Invalid names: Cassianella sexradiata Branson 1930 [synonym]
Diagnosis
No diagnoses are available