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Cylichnoidea (disused)
Taxonomy
Cylichnacea was named by Adams (1850).
It was corrected as Cylichnoidea by Bouchet et al. (2017).
It was assigned to Cephalaspidea by Squires (1984), Squires (1987) and Bouchet et al. (2017).
It was corrected as Cylichnoidea by Bouchet et al. (2017).
It was assigned to Cephalaspidea by Squires (1984), Squires (1987) and Bouchet et al. (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1850 | Cylichnacea Adams |
| 1984 | Cylichnacea Squires p. 39 |
| 1987 | Cylichnacea Squires p. 53 |
| 2017 | Cylichnoidea Bouchet et al. p. 356 |
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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.
Superfm. †Cylichnoidea Adams 1850
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Diagnosis
No diagnoses are available