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Taxonomy
Cyclopygoidea was named by Raymond (1925). Its type is Cyclopygidae.
It was assigned to Asaphida by Adrain (2011) and Fortey and Bruton (2013).
It was assigned to Asaphida by Adrain (2011) and Fortey and Bruton (2013).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Cyclopygoidea Raymond |
| 2011 | Cyclopygoidea Adrain p. 107 |
| 2013 | Cyclopygoidea Fortey and Bruton |
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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. †Cyclopygoidea Raymond 1925
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Fm. †Cyclopygidae Raymond 1925
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G. †Amicus Koroleva 1967
G. †Aspidaeglina Holub 1911
G. †Circulocrania Fortey and Owens 1987
G. †Cyclopyge Hawle and Corda 1847
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†Cyclopyge vigilans Cooper and Kindle 1936
Invalid names: Aeglina Barrande 1850 [objective synonym]
G. †Degamella Marek 1961
G. †Ellipsotaphrus Whittard 1952
G. †Emmrichops Marek 1961
G. †Gastropolus Whittard 1966
G. †Girvanopyge Kobayashi 1960
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Invalid names: Cremastoglottos Whittard 1961 [synonym], Nanlingia Wei and Zhou 1983 [synonym]
G. †Microparia Hawle and Corda 1847
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Subg. †Microparia (Heterocyclopyge) Marek 1961
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†Heterocyclopyge pachycephala Hawle and Corda 1847
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Invalid names: Selenoptychus rotundatus Hawle and Corda 1847 [synonym]
†Microparia (Heterocyclopyge) insolens Schuchert and Cooper 1930
†Microparia (Heterocyclopyge) kindlei Schuchert and Cooper 1930
Subg. †Microparia (Microparia) Hawle and Corda 1847
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†Microparia (Microparia) acuta Zhang 1981
Invalid names: Microparia (Paramicroparia) Zhang 1981 [synonym]
Subg. †Microparia (Quadratapyge) Zhou in Zhou et al 1977
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†Microparia (Quadratapyge) chedaoensis Zhou and Dean 1986
†Microparia (Quadratapyge) latilimbata Zhou in Zhou et al 1977
Subfm. †Pricyclopyginae Fortey and Owens 1987
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G. †Pricyclopyge Richter and Richter 1954
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†Pricyclopyge gallica Tjernvik 1956
†Pricyclopyge oceanitis Mergl 2006
†Pricyclopyge prisca Barrande 1872
†Pricyclopyge synophthalma Kloucek 1916
Invalid names: Bicyclopyge Horbinger and Vanek 1985 [synonym]
G. †Psilacella Whittard 1952
G. †Selenoptychus Hawle and Corda 1847
G. †Symphysops Raymond 1925
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†Symphysops armatus Barrande 1872
†Symphysops djebaglensis Kolova 1936
G. †Xenocyclopyge Lu 1962
Invalid names: Bohemillidae Barrande 1872 [invalid subgroup]
Fm. †Nileidae Angelin 1854
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G. †Aocaspis Dolambi and Gond 1992
G. †Berkutaspis Lisogor 1947
G. †Bumastides Veber 1948
G. †Elongatanileus Ji 1986
G. †Homalopteon Salter 1867
G. †Illaenopsis Salter 1865
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†Illaenopsis stenorhachis Harrington 1938
†Illaenopsis thomsoni Salter 1866
Invalid names: Rokycania Pribyl and Vanek 1965 [synonym]
G. †Lakaspis Kobayashi 1937
G. †Neopsilocephalina Yin 1978
†Nileidae stenorhachis Harrington 1938
G. †Nileus Dalman 1827
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†Nileus affinis Billings 1865
†Nileus amplus Zhou et al. 2014
†Nileus australis Tortello and Esteban 2014
†Nileus cingolanii Tortello and Esteban 2016
†Nileus depressus Boeck 1838
†Nileus deynouxi Destombes et al. 1969
†Nileus erici Tortello and Esteban 2016
†Nileus exarmatus Tjernvik 1956
†Nileus exarmatus lineatus Schrank 1972
†Nileus gabata Dean 1973
†Nileus glazialis Schrank 1973
†Nileus glazialis costatus Fortey 1975
†Nileus hesperaffinis Ross and Barnes 1967
†Nileus lacunosa Whittington 1965
†Nileus macrops Billings 1865
†Nileus orbiculatoides Schrank 1972
†Nileus orbiculatoides svalbardensis Fortey 1975
†Nileus orbiculatus Tjernvik 1956
†Nileus petilus Xia 1978
†Nileus planiceps Nielsen 1995
†Nileus porosus Fortey 1975
†Nileus scrutator Billings 1865
Invalid names: Remopleuridioides Harrington and Leanza 1957 [synonym]
G. †Parabarrandia Prantl and Pribyl 1949
G. †Paraperaspis Zhou et al. 2014
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†Paraperaspis angustus Zhou et al. 2014
†Paraperaspis dawangouensis Zhou et al. 2014
G. †Peraspis Whittington 1965
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†Peraspis erugata Ross 1970
†Peraspis kolouros Norford and Ross 1978
†Peraspis lineolata Raymond 1925
†Peraspis omega Fortey 1975
†Peraspis yukonensis Dean 1973
G. †Petrbokia Pribyl and Vanek 1965
G. †Platypeltoides Pribyl 1949
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Subg. †Platypeltoides (Troedssonia) Poletaeva 1960
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†Platypeltoides (Troedssonia) wimani Troedsson 1937
†Platypeltoides croftii Callaway 1877
†Platypeltoides perseis Mergl 2006
Invalid names: Platypeltis Callaway 1877 [replaced]
G. †Poronileus Fortey 1975
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†Poronileus fistulosus Fortey 1975
†Poronileus isoteloides Fortey 1975
†Poronileus jugatus Fortey 1975
†Poronileus vallancei Fortey 1975
G. †Psilocephalinella Kobayashi 1951
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Invalid names: Borthaspis Stubblefield 1951 [objective synonym]
G. †Shenjiawania Peng 1984
G. †Symphysurina Ulrich 1924
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†Symphysurina brevis Fortey 1983
†Symphysurina bulbosa Lochman 1964
†Symphysurina elegans Poulsen 1937
†Symphysurina globocapitella Hintze 1953
†Symphysurina goniura Billings 1860
†Symphysurina myopia Westrop and in Landing et al 2003
†Symphysurina robusta Poulsen 1937
†Symphysurina spicata Ulrich in Walcott 1925
†Symphysurina uncaspicata Hintze 1953
†Symphysurina woosteri Ulrich and Walcott 1924
G. †Symphysurus Goldfuss 1843
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†Symphysurus angustatus Sars and Boeck 1838
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Invalid names: Symphysurus socialis Linnarsson 1869 [synonym]
†Symphysurus arcticus Fortey 1975
†Symphysurus goldfussi Walcott 1884
†Symphysurus palpebrosus Barrande 1852
Fm. †Symphysurinidae Kobayashi 1955
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G. †Randaynia Boyce 1989
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†Randaynia langdoni Boyce 1989
†Randaynia leatherburyi Loch 2007
†Randaynia saundersi Boyce 1989
Fm. †Taihungshaniidae Sun 1931
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G. †Asaphellina Chalmas and Bergeron 1989
G. †Asaphopsis Mansuy 1920
G. †Omeipsis Kobayashi 1951
G. †Taihungshania Sun 1931
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†Taihungshania miqueli Bergeron 1893
†Taihungshania tachengssuensis Sheng 1958
Invalid names: Miquelina Thoral 1935 [synonym]
G. †Tungtzuella Lu 1957
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Hendy et al. 2009, Aberhan et al. 2004 | |||||
Age range: base of the Cressagian to the top of the Rawtheyan or 486.50000 to 445.20000 Ma
Collections (800 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Furongian | Russian Federation (Gorny Altai) | Platypeltoides andersoni, Platypeltoides wimani (203914 203915 203916) | |
| Trempealeauan | Canada (Newfoundland and Labrador) | Symphysurina cleora (203836) Symphysurina minima (105856) Symphysurina sp. (105871) Symphysurina spicata (105869) | |
| Trempealeauan | USA (Texas) | Symphysurina brevispicata (215998 215999 216000 216001 216002 216003 216005 216007) | |
| Trempealeauan | USA (Utah) | Symphysurina eurekensis, Symphysurina brevispicata, Symphysurina spicata (219670 219671) | |
| Trempealeauan - Gasconadian | Canada (Quebec) | Borthaspidella gaspensis (105866) | |
| Batyrbaian - Tremadocian | Russian Federation (Siberia) | Platypeltoides anderssoni, Platypeltoides wimani (205624) | |
| Niuchehean | China (Hunan) | Berkutaspis sinensis, Troedssonia wimani (107332) Shenjiawania brevica, Platypeltoides wimani (126682 126683) Troedssonia elongata, Troedssonia wimani (126731) Troedssonia longiforma, Troedssonia wimani (126730) Troedssonia subquadrata (126728) Troedssonia wimani (107335) | |
| Niuchehean | China (Jilin Provence) | Platypeltoides hunjiangensis (156922) Platypeltoides hunjiangensis, Platypeltoides laevigata (156921) Platypeltoides laevigata, Platypeltoides hunjiangensis (156924) | |
| Skullrockian | USA (New York) | Symphysurina myopia (87524) | |
| Skullrockian | Canada (British Columbia) | Symphysurina spicata (50164) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Pusgillian | China (Hubei) | Cyclopyge sp., Nileus sp. (4689) | |
| Pusgillian | China (GanSu) | Cyclopyge sp. (8558) | |
| Pusgillian | Sweden | Cyclopyge sp. (2773) | |
| Pirgu | Sweden (Vastergotland) | Cyclopyge sp. (74932) | |
| Ashgill | China (ZheJiang) | Cyclopyge sp., Phylacops sp. (7767) | |
| Ashgill | China (GuangXi) | Cyclopyge sp. (4672) | |
| Ashgill | Canada (Quebec) | Cyclopyge sp. b, Symphysops spinifera, Symphysops sp. b, Heterocyclopyge insolens, Heterocyclopyge kindlei (13130) Heterocyclopyge insolens (76075) Symphysops sp. (54135) Symphysops sp., Heterocyclopyge insolens, Heterocyclopyge kindlei, Cyclopyge vigilans (13131) | |
| Ashgill | USA (Maine) | Cyclopyge quadriangularis, Cyclopyge spp., Cyclopyge marginata, Nileus sp., Symphysops sp., Microparia sp. (185954) | |
| Rawtheyan | United Kingdom (Wales) | Cyclopyge marginata (3675) | |
| Rawtheyan | United Kingdom (England) | Cyclopyge sp., Degamella sp., Microparia sp., Psilacella sp., Symphysops sp. (3681) Cyclopyge sp., Microparia sp. (3666) Cyclopyge sp., Microparia sp., Symphysops sp. (3671 3676) | |