| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Subtaxa
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Isognomon (Semignomon) Repin p. 563 |
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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.
Subg. †Isognomon (Semignomon) Repin 2013
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†Isognomon (Semignomon) tabasicum Repin 2013
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| valve height | 1 | 130.0 |
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| Source: g = genus, f = family, superf = superfamily, o = order, c = class | |||||
| References: Sanchez Roig 1926, Hendy et al. 2009, Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: Early/Lower Bajocian or 170.90000 to 168.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Bajocian | Iran | Isognomon tabasicum (152616) |