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Taxonomy
Nileidae was named by Angelin (1854).
It was assigned to Asaphacea by Harrington and Leanza (1957); to Asaphida by Whittington et al. (1997), Fortey and Droser (1999); and to Cyclopygoidea by Adrain (2011).
It was assigned to Asaphacea by Harrington and Leanza (1957); to Asaphida by Whittington et al. (1997), Fortey and Droser (1999); and to Cyclopygoidea by Adrain (2011).
Subtaxa
Aocaspis, Barrandia, Berkutaspis, Borthaspidella, Bumastides, Elongatanileus, Homalopteon, Illaenopsis (syn. Rokycania, Pseudobarrandia), Kodymaspis, Lakaspis, Neopsilocephalina, N. stenorhachis, Nileus (syn. Remopleuridioides), Parabarrandia, Paraperaspis, Peraspis, Petrbokia, Platypeltoides (syn. Platypeltis), Poronileus, Psilocephalinella (syn. Borthaspis), Shenjiawania, Symphysurina, Symphysurus, Varvia
Synonymy list
| Year | Name and author |
|---|---|
| 1854 | Nileidae Angelin |
| 1957 | Nileidae Harrington and Leanza |
| 1997 | Nileidae Whittington et al. p. 301 |
| 1999 | Nileidae Fortey and Droser p. 193 |
| 2011 | Nileidae Adrain p. 107 |
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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.
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 armadillo Dalman 1826
†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 kasachstanicus Korolena 1982
†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
+
Invalid names: Borthaspis Stubblefield 1951 [objective synonym]
G. †Shenjiawania Peng 1984
G. †Symphysurina Ulrich 1924
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†Symphysurina brevis Fortey 1983
†Symphysurina bubops Winston and Nicholls 1967
†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
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: base of the Skullrockian to the top of the Pusgillian or 488.90000 to 449.20000 Ma
Collections (580 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) | |
| Batyrbaian - Tremadocian | Russian Federation (Siberia) | Platypeltoides anderssoni, Platypeltoides wimani (205624) | |
| Niuchehean | China (Jilin Provence) | Platypeltoides hunjiangensis (156922) Platypeltoides hunjiangensis, Platypeltoides laevigata (156921) Platypeltoides laevigata, Platypeltoides hunjiangensis (156924) | |
| 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) | |
| Stage 10 - Tremadoc | Argentina (Salta) | Illaenopsis stenorhachis (115828) | |
| Trempealeauan | USA (Texas) | Symphysurina brevispicata (215998 215999 216000 216001 216002 216003 216005 216007) | |
| Trempealeauan | Canada (Newfoundland and Labrador) | Symphysurina cleora (203836) Symphysurina minima (105856) Symphysurina sp. (105871) Symphysurina spicata (105869) | |
| Trempealeauan | USA (Utah) | Symphysurina eurekensis, Symphysurina brevispicata, Symphysurina spicata (219670 219671) | |
| Trempealeauan - Gasconadian | Canada (Quebec) | Borthaspidella gaspensis (105866) | |
| Skullrockian | USA (New York) | Symphysurina myopia (87524) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Actonian - Onnian | China (JiangSu) | Nileus sp. (7929) | |
| Actonian - Cautleyan | Iran (Gilan) | Nileus sp. (232880) | |
| Katian | China (Xinjiang) | Nileus amplus (188375 188376 188377) | |
| Katian | China (Jiangxi) | Nileus sp. (192821) | |
| Katian | China (JiangSu) | Nileus rugosus (192796) Nileus rugosus, Nileus transversus (192794) Nileus transversus (192793) | |
| Katian | Kazakhstan | Nileus sp. (162197 162198) | |
| Katian | China | Nileus sp. (236250) | |
| Katian | Russian Federation (Siberia) | Nileus sp. (205628) | |
| Pusgillian | China (Hubei) | Nileus sp. (4689) | |
| Ashgill | USA (Maine) | Nileus sp. (185954) | |