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Nicoloidea
Taxonomy
Nicoloidea was named by Zeng (1987) [Sepkoski's age data: O Cara-m Sepkoski's reference number: 881]. It is not extant.
It was assigned to Nanorthidae by Williams et al. (2000); to Orthida by Sepkoski (2002); and to Archaeorthidae by Williams et al. (2007).
It was assigned to Nanorthidae by Williams et al. (2000); to Orthida by Sepkoski (2002); and to Archaeorthidae by Williams et al. (2007).
Synonymy list
| Year | Name and author |
|---|---|
| 1987 | Nicoloidea Zeng |
| 2000 | Nicoloidea Williams et al. p. 744 |
| 2002 | Nicoloidea Sepkoski |
| 2007 | Nicoloidea Williams et al. p. 2687 |
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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. †Nicoloidea Zeng 1987
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Diagnosis
No diagnoses are available