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Cycloichnus
Taxonomy
Synonymy list
| Year | Name and author |
|---|---|
| 1969 | Cycloichnus Gregory |
| 1975 | Cycloichnus Hantzschel |
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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. †Cycloichnus Gregory 1969
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. Hantzschel 1975 | Simple central shaft, structureless, diameter about 1 cm, length 2 cm; wall probably smooth, with several saucer-shaped galleries diverging from it, irregularly constricted to give small lead-shaped impression, visible on bedding plane with concentric markings surrounding central shaft; galleries somewhat branching but not interconnected. |