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Taxonomy
Isognomon gariesensis was named by Kensley and Pether (1986). Its type specimen is SAM-PQ-HB564, a partial shell, and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1986 | Isognomon gariesensis Kensley and Pether p. 202 fig. 36A |
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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.
†Isognomon gariesensis Kensley and Pether 1986
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| B. Kensley and J. Pether 1986 | Shell very thick (up to 40 mm on ventral margin), becoming thinner posterodorsally. Hinge with 11 elongate ligamental grooves; hinge width 36,5 mm. |