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Gorbyoceras alternestriatum
Taxonomy
Spyroceras alternestriatum was named by Strand (1934).
It was recombined as Gorbyoceras alternestriatum by Strand (1934) and Kröger (2013).
It was recombined as Gorbyoceras alternestriatum by Strand (1934) and Kröger (2013).
Sister species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1934 | Gorbyoceras alternestriatum Strand |
2013 | Gorbyoceras alternestriatum 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.
†Gorbyoceras alternestriatum Strand 1934
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Aberhan et al. 2004, Kiessling 2004 |
Age range: Pirgu or 449.50000 to 445.20000 Ma
Collections (3 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Katian | Sweden (Dalarna) | Gorbyoceras alternestriatum (124939) | |
Pirgu | Norway (Ringerike) | Spyroceras alternestriatum (162233) | |
Pirgu - Porkuni | Sweden (Dalarne) | Gorbyoceras alternestriatum (73462) |