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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Megacrioceratidae
Taxonomy
Megacrioceratidae was named by Vermeulen (2006).
It was assigned to Ptychoceratoidea by Klein et al. (2007).
It was assigned to Ptychoceratoidea by Klein et al. (2007).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Megacrioceratidae Vermeulen |
| 2007 | Megacrioceratidae Klein et al. p. 285 |
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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. †Megacrioceratidae Vermeulen 2006
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G. †Megacrioceras Delanoy et al. 1987
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†Megacrioceras astierianum d'Orbigny 1850
†Megacrioceras doublieri Jaubert 1856
G. †Shasticrioceras Anderson 1938
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†Shasticrioceras inflatum Anderson 1938
†Shasticrioceras patricki Murphy 1975
†Shasticrioceras poniente Anderson 1938
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Invalid names: Shasticrioceras hesperum Anderson 1938 [synonym], Shasticrioceras hesperum nipponicum Matsumoto 1947 [synonym]
†Shasticrioceras roddai Murphy 1975
†Shasticrioceras whitneyi Anderson 1938
†Shasticrioceras wintunium Anderson 1938
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Hauterivian to the top of the Albian or 132.60000 to 100.50000 Ma
Collections (23 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Hauterivian | Chile (Coquimbo) | Shasticrioceras sp. (222464) | |
| Hauterivian | USA (California) | Shasticrioceras sp. (83598) Shasticrioceras whitneyi (83607) | |
| Hauterivian - Early/Lower Barremian | USA (California) | Shasticrioceras sp. (216290) | |
| Barremian | Canada (British Columbia) | Shasticrioceras poniente (88114) | |
| Barremian | Chile (Huasco) | Shasticrioceras sp. (223549) Shasticrioceras whitneyi, Shasticrioceras inflatum (223569) | |
| Barremian | Japan | Shasticrioceras nipponicus (67155) | |
| Barremian | Chile (Copiapó) | Shasticrioceras sp. (222999) | |
| Early/Lower Barremian | Chile (Copiapó) | Shasticrioceras sp., Shasticrioceras poniente (223016) | |
| Early/Lower Barremian | Chile (Huasco) | Shasticrioceras sp. (223540 223541) | |
| Early/Lower Barremian | Chile | Shasticrioceras poniente (67496) | |
| Late/Upper Barremian | USA (California) | Hoplocrioceras wintunium, Shasticrioceras poniente, Shasticrioceras hesperum (225528) Shasticrioceras poniente (216298 216303 216304 216305 216306 216307) Shasticrioceras poniente, Shasticrioceras hesperum (225526) Shasticrioceras sp. (216289) | |
| Aptian - Albian | USA (California) | Shasticrioceras whitneyi (225524) |