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Sphaerexochinae
Taxonomy
Sphaerexochinae was named by Opik (1937).
It was assigned to Cheiruridae by Owen (1981), Kielan-Jaworowska et al. (1991), Gapp et al. (2012).
It was assigned to Cheiruridae by Owen (1981), Kielan-Jaworowska et al. (1991), Gapp et al. (2012).
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Sphaerexochinae Opik |
| 1981 | Sphaerexochinae Owen |
| 1991 | Sphaerexochinae Kielan-Jaworowska et al. |
| 2012 | Sphaerexochinae Gapp et al. p. e49115 |
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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.
Subfm. †Sphaerexochinae Opik 1937
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G. †Pseudosphaerexochus Schmidt 1881
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Subg. †Pseudosphaerexochus (Pateraspis) Prantl and Pribyl 1947
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†Pseudosphaerexochus (Pateraspis) andegavus Bureau 1900
†Pseudosphaerexochus (Pateraspis) mediterraneus Hammann 1972
†Pseudosphaerexochus bulbosus Nikolaisen 1965
†Pseudosphaerexochus cancrura Salter 1853
†Pseudosphaerexochus conformis Angelin 1854
†Pseudosphaerexochus densigranulatus Nikolaisen 1965
†Pseudosphaerexochus granulatus Angelin 1854
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Invalid names: Sphaerexochus granulatus Angelin 1854 [synonym]
†Pseudosphaerexochus laticeps Linnarsson 1866
†Pseudosphaerexochus octolobatus M'Coy 1849
†Pseudosphaerexochus roemeri Schmidt 1881
†Pseudosphaerexochus tectus Ingham 1974
†Pseudosphaerexochus tuberculatus Warburg 1925
†Pseudosphaerexochus zapata Adrain and Fortey 1997
Invalid names: Mayopyge Adrain and Fortey 1997 [synonym], Parasphaerexochus Chugaeva 1973 [synonym], Skelipyx Lane 1971 [synonym]
G. †Sphaerexochus Beyrich 1845
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†Sphaerexochus arenosis Chatterton and Ludvigsen 1977
†Sphaerexochus arenosus Chatterton and Ludvigsen 1976
†Sphaerexochus atacius Ludvigsen 1979
†Sphaerexochus brandlyi Chatterton and Perry 1984
†Sphaerexochus bridgei Cooper and Kindle 1936
†Sphaerexochus britanicus Dean 1971
†Sphaerexochus calvus Mc Coy 1846
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Invalid names: Sphaerexochus angustifrons Angelin 1854 [synonym], Sphaerexochus latirugatus Reed 1896 [synonym], Sphaerexochus mirus Beyrich 1845 [synonym]
†Sphaerexochus desertus Billings 1865
†Sphaerexochus dimorphus Whittington and Evitt 1953
†Sphaerexochus discrepans Raymond 1925
†Sphaerexochus eurys Tripp 1962
†Sphaerexochus fibrisulcatus Lu 1975
†Sphaerexochus glaber Holloway 1980
†Sphaerexochus hapsidotus Whittington and Evitt 1953
†Sphaerexochus hiratai Kobayashi and Hamada 1974
†Sphaerexochus johnstoni Chatterton and Perry 1984
†Sphaerexochus laciniatus Lindström 1885
†Sphaerexochus latifrons Angelin 1854
†Sphaerexochus molongloensis Chatterton and Campbell 1980
†Sphaerexochus parvus Billings 1865
†Sphaerexochus planirachis Kobayashi and Hamada 1974
†Sphaerexochus pulcher Whittington and Evitt 1953
†Sphaerexochus romingeri Hall 1868
†Sphaerexochus scabridus Angelin 1854
†Sphaerexochus tuberculatus Warburg 1925
†Sphaerexochus valcourensis Shaw and Bolton 2011
Invalid names: Sphaerometopus Angelin 1854 [nomen nudum]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004 | |||||
Age range: base of the Billingen to the top of the Ludfordian or 475.60000 to 422.70000 Ma
Collections (288 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenig | China (GanSu) | Pseudosphaerexochus sp. (8568) | |
| Arenig | Sweden | Sphaerexochus sp. (3196) | |
| Billingen | Sweden (Närne) | Sphaerexochus sp. (192903) | |
| Castlemainian - Yapeenian | Ireland | Mayopyge zapata (153922) | |
| Chazyan | Canada (Northwest Territories) | Sphaerexochus arenosus (24621 25932 25933 25935 26054 26055 26057) Sphaerexochus sp. (315) | |
| Chazyan | Canada (Quebec) | Sphaerexochus sp. (305 307 311 435) | |
| Chazyan | USA (New York) | Pseudosphaerexochus approximus (172321) Sphaerexochus parvus (56184 56212 56215 171704 172310 172317 172318 172320 172322 172323 172328 172329) | |
| Whiterockian | USA (Oklahoma) | Sphaerexochus sp. (105636) | |
| Whiterockian | USA (New York) | Pseudosphaerexochus approximus (103014 103311) Sphaerexochus parvus (103000 103001 103002 103005 103017 103279 103282 103314 103316) | |
| Whiterockian | USA (Vermont) | Sphaerexochus parvus (103276 103281 103291 103292 103293 103295 103298) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Gorstian | Czechia | Sphaerexochus paramirus (14049 14104 14106) | |
| Gorstian - Ludfordian | Czechia | Sphaerexochus paramirus (14066) | |
| Gorstian - Ludfordian | Sweden (Gotland) | Sphaerexochus laciniatus (13617) | |
| Ludlow | Japan (Skikoku) | Sphaerexochus hiratai (188692) | |
| Ludlow | Japan (Shikoku) | Sphaerexochus hiratai, Sphaerexochus planirachis (188690) | |
| Ludfordian | Sweden (Gotland) | Sphaerexochus laciniatus (13569) Sphaerexochus sp., Sphaerexochus laciniatus (13616) | |
| Ludfordian | USA (Indiana) | Sphaerexochus sp., Sphaerexochus romingeri (6706) | |
| Ludfordian | Czechia | Sphaerexochus paramirus (14057) | |
| Ludfordian | Australia (New South Wales) | Sphaerexochus lorum (25634 25635) | |
| Ludfordian | Uzbekistan | Sphaerexochus mirus (216475 216476) | |