Classification of Cooke 1942

Cl. Echinoidea Leske 1778 [sea urchin]
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Invalid names: Echinocardiidae Cooke 1942 [empty], Echinocyamidae Cooke 1942 [empty]
G. †Scutella Lamarck 1816
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Scutella aberti Conrad 1842
Scutella floridana Cooke 1942
G. Brissus Gray 1825
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Brissus spatiosus Ravenel 1848
Brissus unicolor Leske 1778
Fm. Schizasteridae Lambert 1905
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G. Agassizia Valenciennes 1846
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Agassizia floridiana de Loriol 1887
Agassizia porifera Ravenel 1848
Agassizia rimulata Ravenel 1848
G. Hemiaster Agassiz and Desor 1847 [heart urchin]
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Hemiaster parastatus Morton 1833
Hemiaster stella Morton 1830
G. Moira Agassiz 1872
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Moira atropos Lamarck 1816
Fm. Laganidae Desor 1858
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G. Laganum Link 1807
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Laganum floridanum Clark and Twitchell 1915
Laganum ocalanum Cooke 1942
G. Peronella Gray 1855
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Peronella crustuloides Morton 1833
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Invalid names: Laganum johnsoni Clark and Twitchell 1915 [synonym]
Peronella cubae Weisbord 1934
Peronella dalli Clark and Twitchell 1915
G. Rumphia Desor 1858
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Rumphia archerensis Clark and Twitchell 1915
Rumphia eldridgei Clark and Twitchell 1915
Fm. Spatangidae Gray 1825
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G. Brissopsis Agassiz 1840
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Brissopsis atlantica Moretensen 1907
Brissopsis balnpiedi Grant and Hertlein 1938
G. Cyclaster Cotteau 1856
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Cyclaster drewryensis Cooke 1942
G. †Hemipatagus Desor 1858
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Hemipatagus argutus Clark and Twitchell 1915
Hemipatagus subrostratus Clark and Twitchell 1915
G. †Holaster Agassiz 1836
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Holaster cinctus Morton 1830
G. Macropneustes Agassiz 1847
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Macropneustes carolinensis Clark and Twitchell 1915
Macropneustes mortoni Conrad 1850
G. Meoma Gray 1851
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Meoma ventricosa Lamarck 1816
Fm. Scutellidae Gray 1825
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G. Echinarachnius Gray 1825
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Echinarachnius parma Lamarck 1816
G. Encope Agassiz 1840
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Encope emarginata Leske 1779
Encope michelini Agassiz 1841
Encope tamiamiensis Mansfield 1932
G. Leodia Gray 1852
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Leodia caroliniana Ravenel 1841
Leodia sexiesperforata Clark 1914
G. Mellita Agassiz 1841
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Invalid names: Mellita pentapora Gmelin 1788 [synonym]
G. †Periarchus Conrad 1866
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Periarchus kewi Cooke 1942
Periarchus lyelli Conrad 1834
Periarchus protuberans Clark and Twitchell 1915
G. †Protoscutella Stefanini 1924
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Protoscutella conradi Cotteau 1891
Protoscutella mississippiensis Clark and Twitchell 1915
Protoscutella plana Conrad 1865
Protoscutella tuomeyi Clark and Twitchell 1915
Fm. Hemiasteridae Clark 1917
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G. Schizaster Agassiz 1835
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Subg. †Schizaster (Linthia) Desor 1853
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Schizaster (Linthia) alabamensis Clark and Twitchell 1915
Schizaster (Linthia) wilmingtonensis Clark and Twitchell 1915
Schizaster americanus Clark and Twitchell 1915
Schizaster armiger Clark and Twitchell 1915
Schizaster beckeri Cooke 1942
Fm. Echinoneidae Agassiz and Desor 1847
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G. †Amblypygus Agassiz 1840
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Amblypygus americanus Desor 1858
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Invalid names: Amblypygus merrilli Clark and Twitchell 1915 [synonym]
G. Echinoneus Leske 1778
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G. Fibularia Lamarck
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Fibularia texanus Clark and Twitchell 1915
Fibularia vaughani Clark and Twitchell 1915
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Oligopygus floridanus Clark and Twitchell 1915
Oligopygus haldemani Conrad 1850
Oligopygus rotundus Cooke 1942
Oligopygus wetherbyi de Lortiol 1887
G. †Trematopygus d'Orbigny 1857
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Trematopygus crucifer Morton 1830
Fm. Clypeasteridae Agassiz 1836
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G. Clypeaster Lamarck 1801
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Clypeaster cotteaui Egozcue 1897
Clypeaster gatuni Jackson 1917
Clypeaster oxybaphon Jackson 1922
Clypeaster rogersi Morton 1834
Clypeaster rosaceus Linnaeus 1758
Fm. Echinolampadidae Gray 1851
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G. Echinolampas Gray 1825
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Fm. †Echinocorythidae Wright 1857
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G. †Echinocorys Leske 1778
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Echinocorys ovalis Clark 1893
Fm. Cassidulidae Agassiz and Desor 1847
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G. Cassidulus Lamarck 1801
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Subg. †Cassidulus (Galerolampas) Cotteau 1889
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Subg. †Cassidulus (Paralampas) Duncan and Sladen 1882
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Cassidulus (Paralampas) carolinensis Clark and Twitchell 1915
Cassidulus (Paralampas) gregoryi Clark and Twitchell 1915
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Invalid names: Cassidulus (Pygorhynchus) georgiensis Clark and Twitchell 1915 [synonym]
Cassidulus oviformis Clark and Twitchell 1915
G. †Echanthus Cooke 1942
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Echanthus georgiensis Clark and Twitchell 1915
G. †Eurhodia
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Eurhodia elbana Cooke 1942
Eurhodia holmsei Clark and Twitchell 1915
Eurhodia patelliformis Bouvé 1851
Eurhodia ravenli Clark and Twitchell 1915
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Invalid names: Eurhodia rugosa Ravenel 1848 [synonym]
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Invalid names: Cassidulus (Pygorhynchus) berryi Kellum 1926 [synonym]