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Eospirifer
Taxonomy
Eospirifer was named by Schuchert (1913). Its type is Spirifer radiatus.
It was assigned to Spiriferacea by Kirk and Amsden (1952); to Spiriferida by Sepkoski (2002); and to Eospiriferinae by Bassett and Cocks (1974), Villas and Cocks (1996) and Williams et al. (2006).
It was assigned to Spiriferacea by Kirk and Amsden (1952); to Spiriferida by Sepkoski (2002); and to Eospiriferinae by Bassett and Cocks (1974), Villas and Cocks (1996) and Williams et al. (2006).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Eospirifer Schuchert |
| 1952 | Eospirifer Kirk and Amsden |
| 1974 | Eospirifer Bassett and Cocks |
| 1996 | Eospirifer Villas and Cocks p. 586 |
| 2002 | Eospirifer Sepkoski |
| 2006 | Eospirifer Williams et al. p. 1695 |
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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. †Eospirifer Schuchert 1913
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Subg. †Eospirifer (Eospirifer) Schuchert 1913
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†Eospirifer (Eospirifer) eosinensis Rong et al. 2013
†Eospirifer cinghizicus Borissiak 1955
†Eospirifer eastoni Gill 1949
†Eospirifer ghobadiae Popov and Cocks 2013
†Eospirifer marklini deVerneuil 1848
†Eospirifer praecursor Rong et al. 1994
†Eospirifer radiatus Sowerby 1834
†Eospirifer radiatus globosus Salter 1848
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 3 | 7.57 | 6.77 | 9.24 | 6.93 | 1.38 | |
| valve height | 2 | 14.9 | 14.4 | 15.3 | 14.9 | 0.629 |
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy 2009, Nesnidal et al. 2013, Aberhan et al. 2004 | |||||
Age range: base of the Llanvirn to the top of the Late/Upper Emsian or 468.00000 to 391.90000 Ma
Collections (377 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Llanvirn | Spain (Asturias) | E. sp. (21085) | |
| Katian | China (Jiangxi) | E. praecursor (210139) | |
| Ashgill | China (Jiangxi) | E. praecursor (186234 186235 186236 186238 186239 186242 186243 186245 186247 186248 186249 186250 186251 186259 186264 186270 186271 186272) | |
| Hirnantian | China (Guizhou) | E. sp. (151936 151938) | |
| Hirnantian | Australia (Tasmania) | E. sp. (167048) E. sp., E. tasmaniensis (26240) | |
| Hirnantian | China (ZheJiang) | E. sp. (7775) | |
| Silurian - Wenlock | USA (Illinois) | E. sp. (13355) | |
| Silurian | Australia (Victoria) | E. togatus (10187 10192 10193) | |
| Silurian | Canada (Northwest Territories) | E. sp. (25483) | |
| Silurian | USA (Indiana) | E. eudora, E. foggi, E. niagarensis, E. radiatus (75266) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Pragian - Early/Lower Emsian | Russian Federation (Bashkortostan) | E. irbitensis (81658) E. irbitensis, E. rara, E. tjutjulensis (81656) | |
| Emsian | Uzbekistan | E. sp. (169214) | |
| Emsian | Germany (Hessen) | E. sp. (38349) E. togatus (38351) | |
| Late/Upper Emsian | China (Guangxi) | E. sp. (4814) | |
| Late/Upper Emsian | Tajikistan | E. davousti (45838) | |
| Late/Upper Emsian | USA (Alaska) | E. sp. (3948) | |
| Eifelian | Mongolia | E. secans (79716) | |
| Eifelian | USA (New York) | Eospirifer indet. (77056) | |
| Eifelian | China (Guangxi) | E. lachrymosa (4029 4864) | |
| Eifelian | Russian Federation (Nenets) | E. subviator (81606) | |