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Phthanoncoceratidae
Taxonomy
Phthanoncoceratidae was named by Evans and King (1990). It is not extant.
It was assigned to Oncocerida by Evans and King (1990), Dzik and Kiselev (1995) and Kröger and Mutvei (2005); and to Ellesmerocerida by Kröger et al. (2009).
It was assigned to Oncocerida by Evans and King (1990), Dzik and Kiselev (1995) and Kröger and Mutvei (2005); and to Ellesmerocerida by Kröger et al. (2009).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1990 | Phthanoncoceratidae Evans and King p. 623 |
| 1995 | Phthanoncoceratidae Dzik and Kiselev p. 62 |
| 2005 | Phthanoncoceratidae Kröger and Mutvei |
| 2009 | Phthanoncoceratidae Kröger et al. |
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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.
Fm. †Phthanoncoceratidae Evans and King 1990
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G. †Phthanoncoceras Evans and King 1990
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†Phtanoncoceras oelandense Evans and King 1990
†Phthanoncoceras ellipticum Lossen 1860
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 | |||||
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenigian | Svalbard and Jan Mayen | Valhalloceras floweri (89288) | |
| Hunderum - Valaste | Sweden (Kalmar) | Phthanoncoceras oelandense (89246) | |
| Lasnamagi | Sweden (Kalmar) | Phtanoncoceras ellipticum (89255) | |
| Lasnamagi | Poland (Kuyavia-Pomerania) | Phthanoncoceras ellipticum (89471) | |
| Lasnamagi | Poland (Lubusz) | Cyrtoceras ellipticum (89470) |