Classification of the order Euaxosida

Or. †Euaxosida Blake 2018
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Fm. †Cnemidactinidae Spencer 1918
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G. †Cnemidactis Spencer 1918
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Cnemidactis girvanensis Schuchert 1914
Cnemidactis macroadambulacralatas Blake and Guensburg 1993
Cnemidactis osloensis Hansen et al. 2005
G. †Devonistella Spencer 1927
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Devonistella filiciformis Woodward 1874
G. †Eoactis Spencer 1914
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Eoactis simplex Spencer 1914
Fm. †Helianthasteridae Owen 1965
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G. †Arkonaster Kesling 1982
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Arkonaster topororum Kesling 1982
G. †Helianthaster Roemer 1864
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Helianthaster rhenanus Roemer 1864
Invalid names: Helianthasterinae Gregory 1899 [empty]
Fm. †Lacertasteridae Blake 2018
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G. †Lacertasterias Blake and Guensburg 1989
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Lacertasterias elegans Blake and Guensburg 1989
Fm. †Lepidasteridae Gregory 1899
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G. †Lepidactis Spencer 1918
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Lepidactis wenlocki Spencer 1918
G. †Lepidaster Forbes 1850
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Lepidaster grayi Forbes 1850
G. †Michiganaster Kesling 1971
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G. †Lepidasterina Ruedemann 1916
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Lepidasterina gracilis Ruedemann 1916
G. †Lepyriactis Spencer 1927
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Lepyriactis nudus Spencer 1927
Fm. †Mesopalaeasteridae Schuchert 1915
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G. †Coccaster Spencer 1916
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Coccaster bulbiferus Spencer 1916
G. †Macroporaster Raymond 1921
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G. †Medinaster Eckert 1984
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Medinaster orbiculus Eckert 1984
G. †Mesopalaeaster Schuchert 1914
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Mesopalaeaster antiquus Troost 1835
Mesopalaeaster bellulus Billings 1865
Mesopalaeaster cataractensis Schuchert 1915
Mesopalaeaster clarki Clarke and Swartz 1913
Mesopalaeaster dubius Miller and Dyer 1878
Mesopalaeaster finei Ulrich 1879
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Invalid names: Promopalaeaster proavitus Schuchert 1915 [synonym]
Mesopalaeaster granti Spencer 1884
Mesopalaeaster intermedius Schuchert 1915
Mesopalaeaster lanceolatus Schuchert 1915
Mesopalaeaster parviusculus Billings 1860
Mesopalaeaster primus Spencer 1916
Mesopalaeaster wilberanus Meek and Worthen 1862
Subfm. †Mesopalaeasterinae Schuchert 1915
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G. †Arisaigaster Spencer and Wright 1966
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Invalid names: Lepidactininae Spencer 1918 [empty]
Fm. †Omanasteridae Blake et al. 2014
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G. †Omanaster Blake et al. 2014
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Omanaster imbricatus Blake et al. 2014
Fm. †Palasterinidae Gregory 1899
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G. †Aerliceaster Blake et al. 2020
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Aerliceaster nexosus Blake et al. 2020
G. †Estoniaster Blake and Rozhnov 2007
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Estoniaster maennili Blake and Rozhnov 2007
G. †Eukrinaster Blake et al. 2007
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Eukrinaster ibexensis Blake et al. 2007
G. †Jugiaster Blake 2007
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Jugiaster speciosus Miller and Dyer 1878
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Invalid names: Palaeasterina approximata Miller and Dyer 1878 [synonym]
G. †Kolataster Blake et al. 2020
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Kolataster perplexus Blake et al. 2020
G. †Palaeosolaster Stürtz 1899
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Palaeosolaster gregoryi Stürtz 1899
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Invalid names: Echinasterias spinosus Stürtz 1899 [synonym], Echinodiscus multidactylus Stürtz 1899 [synonym], Echinostella traquairi Stürtz 1899 [synonym], Helianthaster roemeri Clarke 1908 [synonym]
Palaeosolaster gyalum Clarke 1908
Invalid names: Echinasterias Stürtz 1899 [synonym], Echinodiscus Stürtz 1899 [synonym], Echinostella Stürtz 1899 [synonym]
G. †Palasterina McCoy 1851
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Palasterina antiqua Hisinger 1837
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Invalid names: Palasterina bonneyi Gregory 1899 [synonym], Palasterina primaeva Forbes 1848 [synonym]
Palasterina flemingtonensis Withers and Keble 1934
Palasterina follmanni Stürtz 1890
Palasterina marginata Lehmann 1957
Palasterina maucheri Lehmann 1957
Palasterina orchilocalia Herringshaw et al. 2007
Palasterina stachi Withers and Keble 1934
Palasterina tilmanni Lehmann 1957
Palasterina umbonata Withers and Keble 1934
Invalid names: Hisingeraster Stürtz 1899 [synonym], Lindstromaster Gregory 1899 [synonym], Pseudopalasterina Stürtz 1890 [synonym]
G. †Petraster Billings 1858
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Petraster americanus d'Orbigny 1850
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Invalid names: Asterias anthonii Dana 1863 [synonym], Palasterina jamesi Dana 1863 [synonym]
Petraster angustior Withers and Keble 1934
Petraster crozonensis Blake et al. 2016
Petraster kinahani Baily 1878
Petraster richi Withers and Keble 1934
Petraster rigidus Billings 1857
Petraster smythi McCoy 1874
Invalid names: Uranaster Gregory 1899 [synonym]
G. †Schuchertia Gregory 1899
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Schuchertia junori Withers and Keble 1934
Schuchertia laxata Schuchert 1915
Schuchertia macrarta Withers and Keble 1934
Schuchertia ordinaria Schuchert 1915
Schuchertia sprinklei Blake et al. 2016
Schuchertia stellata Billings 1857
Schuchertia wenlocki Spencer 1922
Invalid names: Trentonaster Stürtz 1899 [synonym]
G. †Siluraster Jaekel 1903
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Siluraster caemorensis Botting et al. 2011
Siluraster ketleyi Spencer 1916
Siluraster perfectus Jaekel 1903
Invalid names: Caractacaster Spencer 1916 [synonym]
G. †Stibaraster Blake and Guensburg 1993
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Stibaraster ratcliffei Blake and Guensburg 1993
Fm. †Platanasteridae Spencer 1919
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G. †Lanthanaster Branstrator 1972
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Lanthanaster cruciformis Branstrator 1972
G. †Phyrtosaster Blake 2007
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Phyrtosaster casteri Blake 2007
G. †Platanaster Spencer 1919
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Platanaster ordovicus Spencer 1919
Invalid names: Palasteriscidae Gregory 1900 [synonym]
G. †Schondorfia Blake and Guensburg 1989
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Schondorfia fungosa Blake and Guensburg 1989
G. †Taeniactis Spencer 1927
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Taeniactis wenlocki Spencer 1922