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Isorthoceras elongatocinctum
Taxonomy
Geisonocerina elongatocinctum was named by Portlock (1843). Its type specimen is GSM 103561 (lectotype), a shell, and it is a 3D body fossil. 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 Isorthoceras elongatocinctum by Portlock (1843), Kröger (2013).
It was recombined as Isorthoceras elongatocinctum by Portlock (1843), Kröger (2013).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1843 | Isorthoceras elongatocinctum Portlock |
| 2013 | Isorthoceras elongatocinctum Kröger |
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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.
†Isorthoceras elongatocinctum 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 | |||||
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Katian | Sweden (Dalarna) | Isorthoceras elongatocinctum (124939) | |
| Katian - Hirnantian | Sweden (Dalarne) | Isorthoceras elongatocinctum (73413) | |
| Rawtheyan | Ireland (Leinster) | Geisonocerina elongatocinctum (87631) | |
| Telychian | United Kingdom (Scotland) | Geisonocerina elongatocinctum (159986) |