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Craniopsioidea
Taxonomy
Craniopsioidea was named by Williams (1963).
It was assigned to Craniopsida by Williams et al. (2000).
It was assigned to Craniopsida by Williams et al. (2000).
Subtaxa
Synonymy list
Year | Name and author |
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1963 | Craniopsioidea Williams |
2000 | Craniopsioidea Williams et al. p. 164 |
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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.
Superfm. †Craniopsioidea Williams 1963
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Fm. †Craniopsidae Williams 1963
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G. †Craniops Hall 1859
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†Craniops hamiltoniae Hall 1867
†Craniops pristina Popov and Cocks 2014
†Craniops subtruncata Hall 1847
Invalid names: Pholidops Hall 1859 [synonym]
G. †Discinopsis Hall and Clarke 1892
G. †Paracraniops Williams 1963
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†Paracraniops ellipticus Goriansky 1972
†Paracraniops pararius Williams 1962
†Paracraniops patillis Rong 1979
G. †Pseudopholidops
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†Pseudopholidops anteglacialis Mergl 2012
Invalid names: Sanxiaella [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class, p = phylum | |||||
References: Williams et al. 1996, Aberhan et al. 2004 |
Age range
Maximum range based only on fossils: base of the Dyeran to the top of the Osagean or 516.00000 to 342.80000 Ma
Minimum age of oldest fossil (stem group age): 513.0 Ma
Minimum age of oldest fossil (stem group age): 513.0 Ma
Collections (403 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
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Dyeran | Greenland | Craniopsidae indet. (49464 49473) | |
Keila | Estonia | Pseudopholidops stolleyana (197549) | |
Blackriveran | USA (Oklahoma) | Craniops tenuis (23895) | |
Caradoc | Kazakhstan | Paracraniops sp. (80264) | |
Caradoc | Canada (Quebec) | Craniops subtruncata (77222) | |
Caradoc | USA (Virginia) | Craniops sp. (50611 50614 50645 50650 50652 50654 50657) | |
Caradocian | Kazakhstan | Paracraniops sp. (116277) | |
Caradocian | Canada (Ontario) | Craniops sp. (64478 64482 64561) Pholidops trentonensis (26276) | |
Chatfieldian | Canada (Ontario) | Pholidops trentonensis (26268 26269 26270 26271) | |
Edenian | USA (Kentucky) | Craniops cincinnatiensis (72638) | |
Edenian | USA (Pennsylvania) | Craniops subtruncata (34895) | |
Edenian | USA (Virginia) | Pholidops cincinnatiensis (5397) | |
Edenian | USA (Ohio) | Pholadopsis sp. (383 384 385 386) | |
Rocklandian | USA (Minnesota) | Pholidops minor (219965) | |
Rocklandian - Shermanian | USA (Minnesota) | Craniops minor (23290) | |
Shermanian | USA (Illinois, Iowa) | Craniops minor (23799 23800 23801) | |
Shermanian | USA (Minnesota) | Craniops minor (23278) | |
Caradoc - Ashgill | Russian Federation (Taimyr) | Paracraniops sp. (37637) | |
Sandbian | China (Hubei) | Paracraniops sp. (186304) | |
Late/Upper Ordovician | USA (New York) | Lingulapholis sp. (347) |