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Taxonomy
Echinochama trachyderma was named by Pilsbry and Johnson (1921). It is a 3D body fossil.
It was recombined as Arcinella trachyderma by Woodring (1982).
It was recombined as Arcinella trachyderma by Woodring (1982).
Synonymy list
| Year | Name and author |
|---|---|
| 1921 | Echinochama trachyderma Pilsbry and Johnson |
| 1982 | Arcinella trachyderma Woodring p. 632 |
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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.
†Arcinella trachyderma Pilsbry and Johnson 1921
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Diagnosis
No diagnoses are available