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Cyathus
Taxonomy
Cyathus is a genus. It is not extant.
It was assigned to Palaeocopida by Sepkoski (2002); and to Aparchitidae by Yi (1990), Crasquin and Forel (2010), Zazzali et al. (2015).
It was assigned to Palaeocopida by Sepkoski (2002); and to Aparchitidae by Yi (1990), Crasquin and Forel (2010), Zazzali et al. (2015).
Synonyms
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Synonymy list
Year | Name and author |
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1990 | Cyathus Yi p. 735 |
2002 | Cyathus Sepkoski |
2002 | Sinocoelonella Sepkoski |
2010 | Cyathus Crasquin and Forel p. 332 |
2015 | Cyathus Zazzali et al. p. 300 |
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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. †Cyathus
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†Cyathus barmariensis Crasquin-Soleau 1998
†Cyathus caperata Guan 1978
†Cyathus densistriata Kozur 1991
†Cyathus elliptica Shi 1987
†Cyathus formosus Shi 1982
†Cyathus klimakiensis Crasquin-Soleau 1998
†Cyathus striatus Cooper 1946
†Cyathus ulrichi Roth 1930
Invalid names: Sinocoelonella [synonym]
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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carapace height | 16 | 0.321 | 0.250 | 0.440 | 0.305 | 0.063 | |
shell height | 1 | 0.300 | - | - | - | - | |
valve height | 18 | 0.366 | 0.181 | 22.7 | 0.290 | 5.29 |
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Source: o = order, c = class | |||||
References: Alvarez et al. 2008, Kiessling 2004 |
Age range: base of the Kasimovian to the top of the Changhsingian or 307.00000 to 251.90200 Ma
Collections (119 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Kasimovian | USA (Kansas) | C. ulrichi (132992) | |
Asselian - Sakmarian | Thailand | C. caperata, C. elliptica (137899 137900) | |
Sakmarian | Thailand | C. caperata, C. elliptica (137893) | |
Sakmarian | China (Fujian) | C. caperata, C. formosus (95696) | |
Artinskian | Canada (British Columbia) | C. striatus (106671) | |
Artinskian | China (Fujian) | C. caperata (95698 95702) | |
Kungurian | China (Jiangsu) | C. caperatus (142173 142175 142183 142185 142187 142189 142190) C. formosus (142169) C. formosus, C. caperatus (142184 142186 142188) | |
Kungurian | China (Fujian) | C. caperata, C. formosus (95703 95705 95708) | |
Kungurian | Italy | C. sp. nov. 2, C. densistriata (106546) | |
Kungurian | Guatemala | C. ulrichi (155571 155572 155573 155574 155575 155576) | |
Kungurian - Roadian | Thailand | C. caperata, C. elliptica (164537) | |
Wordian | Thailand | C. caperata, C. elliptica (137915 137917 137919 137923 137924) | |
Capitanian | Greece | C. barmariensis (112062) C. klimakiensis (112063) | |
Capitanian | China (Sichuan) | C. caperata (189439 189442 189443 189446) | |
Capitanian | Russian Federation | C. caperata (124400) | |
Wuchiapingian | Italy | Sinocoelonella sp., Sinocoelonella densistriata (110840) | |
Wuchiapingian | China (Sichuan) | C. elliptica (189471 189473) | |
Wuchiapingian | Greece | C. barmariensis (112052 112057 112058 112059 112060 112061) | |
Changhsingian | China (Zhejiang) | C. caperata (97895 97896 97921 97924 117575 117577 117588 117590 117592 117596 117597 117601 117618 117624 117626 117634 117635 117636 117637 117643 117644 117645 117654 117655 117658 117663 117670 117673 127570) C. caperata, C. elliptica (97904 97908 97910 97912 97915 97916 97918 97919 97920 117642 117656 117664 117668 117669) C. elliptica (97887 97889 97890 97892 97897 97905 97909 97917 97923 97926 97927) C. sp., C. caperata (117665) | |
Changhsingian | Iran | C. caperata (168915 168920) C. caperata, C. elliptica (168917 168919) C. elliptica (168898 168923) | |
Changhsingian | China (Fujian) | C. elliptica (121229 121290 121292 121293) C. formosus (121211) | |
Changhsingian | China (Guizhou) | C. sp. 1 (132522) C. sp. 2 (132516) |