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Diestoceras inaequiseptum
Taxonomy
Phragmoceras inaequiseptum was named by Portlock (1843). It is not extant. Its type specimen is GSM 103468, a shell. Its type locality is Killey Bridge Fm. locality 1, NE of Pomeroy, which is in a Richmondian offshore mudstone/siltstone in the Killey Bridge Formation of the United Kingdom.
It was recombined as Diestoceras inaequiseptum by Evans (1993).
It was recombined as Diestoceras inaequiseptum by Evans (1993).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1843 | Phragmoceras inaequiseptum Portlock p. 382 figs. 4a, b Pl. 28a |
| 1993 | Diestoceras inaequiseptum Evans p. 183 fig. 15 |
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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.
†Diestoceras inaequiseptum Portlock 1843
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: Richmondian or 449.60000 to 445.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Richmondian | United Kingdom (Northern Ireland) | Phragmoceras inaequiseptum (type locality: 89260) |