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Ordogeisonoceras
Taxonomy
Ordogeisonoceras was named by Frey (1995). Its type is Orthoceras amplicameratum.
It was assigned to Geisonoceratidae by Kröger (2013), Kröger and Aubrechtova (2017), Kröger and Aubrechtová (2019).
It was assigned to Geisonoceratidae by Kröger (2013), Kröger and Aubrechtova (2017), Kröger and Aubrechtová (2019).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Ordogeisonoceras Frey p. P39 |
| 2013 | Ordogeisonoceras Kröger p. P39 |
| 2017 | Ordogeisonoceras Kröger and Aubrechtova |
| 2019 | Ordogeisonoceras Kröger and Aubrechtová |
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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.
G. †Ordogeisonoceras Frey 1995
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†Ordogeisonoceras amplicameratum Hall 1847
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Invalid names: Michelinoceras ludlowense Miller and Faber 1894 [synonym]
†Ordogeisonoceras foerstei Strand 1934
†Ordogeisonoceras tartuensis Kröger and Aubrechtova 2017
†Ordogeisonoceras uppsalaensis Kröger and Aubrechtová 2019
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Collections (16 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Turinian | Canada (Ontario) | Orthoceras amplicameratum (185478) | |
| Shermanian | USA (Kentucky) | Orthoceras ludlowense (87974) | |
| Shermanian | USA (New York) | Orthoceras amplicameratum (76092) | |
| Keila | Sweden (Dalarne) | O. tartuensis (73412) | |
| Keila | Estonia (Harju) | O. sp., O. dyeri, O. tartuensis (87273) O. tartuensis (169041) | |
| Keila - Oandu | Sweden (Dalarne) | O. tartuensis (161744) O. tartuensis, O. uppsalaensis (73411 73855) | |
| Chatfieldian | Canada (Ontario) | Orthoceras amplicameratum (185268) | |
| Chatfieldian | USA (New York) | Orthoceras amplicameratum (337 431 76091) | |
| Katian | Sweden (Dalarna) | O. foerstei (124939) | |
| Edenian - Maysvillian | Canada (Ontario) | Geisonoceras amplicameratum (26293) | |
| Pirgu - Porkuni | Sweden (Dalarne) | O. foerstei (73462) |