Classification of Durham 1955

Or. Clypeasteroida Agassiz 1836 [sand dollar]
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Subor. Clypeasterina Agassiz 1872
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Fm. Arachnoididae Duncan 1889
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Subfm. Ammotrophinae Durham 1955
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G. Ammotrophus Clark 1928
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Invalid names: Hesperaster Clark 1938 [synonym]
G. †Monostychia Laube 1869
G. †Scutellinoides Durham 1955
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Invalid names: Scutellina morgani Cotteau 1891 [synonym]
G. †Fossulaster Lambert and Thiéry 1925
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†Fossulaster halli Lambert and Thiery 1925
Fm. Clypeasteridae Agassiz 1836
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G. Clypeaster Lamarck 1801
Invalid names: Echinanthidae Agassiz 1872 [synonym]
Subor. Laganina Mortensen 1948
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Fm. Fibulariidae Gray 1855
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G. †Cyamidia
G. Echinocyamus van Phelsum 1774
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Echinocyamus pusillus Müller 1776
Invalid names: Anaster Sismonda 1841 [synonym]
G. †Eoscutum Lambert 1914
G. Fibularia Lamarck
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†Fibularia acuta Yoshiwara 1898
G. †Fibulariella Mortensen 1948
G. †Fibulaster Lambert and Thiery 1883
G. †Lenita Desor 1847
G. †Mortonia Gray 1852
G. †Porpitella Pomel 1883
G. †Scutellina Agassiz 1841
G. †Tarphypygus Arnold and Clark 1927
G. †Thagastea Pomel 1888
G. †Togocyamus Oppenheim 1915
Fm. Laganidae Desor 1858
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G. †Fibulina Tornquist 1904
G. Hupea Pomel 1883
G. Jacksonaster Lambert and Thiéry 1914
G. Laganum Link 1807
G. Peronella Gray 1855
G. †Peronellites Hayasaka and Morishita 1947
G. Rumphia Desor 1858
G. †Sismondia Desor 1858
Fm. Neolaganidae Durham 1954
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G. †Cubanaster Sánchez Roig 1952
G. †Neolaganum Durham 1954
G. †Neorumphia Durham 1954
G. †Sanchezella Durham 1954
G. †Weisbordella Durham 1954
G. †Wythella Durham 1954
G. †Runa
Subor. Scutellina Haeckel 1896
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Fm. †Abertellidae Durham 1955
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G. †Abertella Durham 1953
Fm. †Astriclypeidae Stefanini 1912
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G. †Amphiope Agassiz 1840
G. Astriclypeus Verrill 1867
G. Echinodiscus Leske 1778
Fm. †Dendrasteridae Lambert 1900
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G. Dendraster Agassiz and Desor 1847
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†Dendraster excentricus Eschscholz 1826
†Dendraster gibbsii Rémond 1863
G. †Merriamaster Lambert 1911
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†Merriamaster perrini Weaver 1908
Invalid names: Orchoporus Lambert and Thiery 1914 [synonym]
G. Scaphechinus Agassiz 1863
G. †Scutellaster Cragin 1895
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†Scutellaster interlineatus Stimpson 1856
Invalid names: Anorthoscutum Lambert and Thiery 1914 [synonym], Calaster Kew 1920 [synonym]
Fm. Echinarachniidae Lambert and Thiéry 1914
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G. †Astrodapsis Conrad 1856
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†Astrodapsis brewerianus Remond 1863
G. Echinarachnius Gray 1825
G. †Kewia Nisiyama 1935
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†Kewia fairbanksi Arnold 1907
G. †Pseudoastrodapsis Durham 1953
G. †Remondella Durham 1955
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†Remondella gabbii Rémond 1863
G. †Tenuirachnius Durham 1955
G. †Vaquerosella Durham 1955
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†Vaquerosella andersoni Clark and Twitchell 1915
†Vaquerosella coreyi Durham 1955
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Invalid names: Vaquerosella norrisi Pack 1909 [replaced]
†Vaquerosella merriami Anderson 1905
Fm. †Eoscutellidae Durham 1955
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G. †Eoscutella Grant and Hertlein 1938
Fm. Mellitidae Stefanini 1912
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G. Encope Agassiz 1840
G. Leodia Gray 1852
G. Mellita Agassiz 1841
G. Mellitella Duncan 1889
Fm. †Monophorasteridae Lahille 1896
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G. †Iheringiella Berg 1898
G. †Monophoraster Lambert and Thiéry 1921
G. †Proescutella Pomel 1883
Fm. †Protoscutellidae Durham 1955
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G. †Mortonella Pomel 1883
G. †Periarchus Conrad 1866
G. †Protoscutella Stefanini 1924
G. †Samlandaster Lambert and Thiéry 1914
Fm. †Scutasteridae Durham 1955
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G. Scutaster Pack 1909
Fm. Scutellidae Gray 1825
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G. †Parascutella Durham 1953
G. †Parmulechinus Lambert 1910
G. †Scutella Lamarck 1816
G. †Scutulum Tournouer 1869
G. †Tournoueraster Lambert 1914
Invalid names: Rotulina Durham 1955 [empty]
Subfm. Arachnoidinae Duncan 1889
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G. Arachnoides Leske 1778
G. Fellaster Durham 1955