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Ptilichnus typographus
Taxonomy
Ptilichnus typographus was named by Hitchcock (1858). It is considered to be a form taxon. It is a trace fossil. Its type locality is Lily Pond Quarry, Gill, which is in a Hettangian fluvial-lacustrine siltstone/sandstone in the Turners Falls Formation of Massachusetts.
Synonymy list
Year | Name and author |
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1858 | Ptilichnus typographus Hitchcock p. 146 |
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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.
†Ptilichnus typographus Hitchcock 1858
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Diagnosis
No diagnoses are available