Classification of Harrington and Leanza 1957
Cl. †Trilobita Walch 1771 [trilobite]
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Or. †Agnostida Salter 1864
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Subor. †Agnostina Salter 1864
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Fm. †Agnostidae M'Coy 1849
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Subfm. †Pseudagnostinae Whitehouse 1936
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Invalid names: Geragnostinae Howell 1935 [empty]
Fm. †Peronopsidae Westergard 1936
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Subfm. †Phalacrominae Raymond 1913
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G. †Leiagnostus Jaekel 1909
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†Leiagnostus perinflatus Harrington and Leanza 1957
†Leiagnostus turgidulus Harrington and Leanza 1957
Invalid names: Peronopseinae Westergard 1938 [empty]
G. †Bodenbenderia Harrington and Leanza 1957
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†Bodenbenderia longifrons Harrington and Leanza 1957
G. †Nannopeltis Harrington and Leanza 1957
Or. †Phacopida Salter 1864
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Subor. †Calymenina Swinnerton 1915
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Fm. †Calymenidae Milne-Edwards 1840
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G. †Colpocoryphoides Harrington and Leanza 1957
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†Colpocoryphoides trapezoidalis Harrington and Leanza 1957
G. †Synhomalonotus Pompeckj 1898
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†Synhomalonotus kobayashii Harrington and Leanza 1957
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Invalid names: Synhomalonotus pompeckji Kobayashi 1937 [replaced]
Fm. †Homalonotidae Chapman 1890
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Subor. †Cheirurina Harrington and Leanza 1957
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Fm. †Encrinuridae Angelin 1854
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Fm. †Pliomeridae Raymond 1913
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G. †Metapilekia Harrington 1938
G. †Pliomeroides Harrington and Leanza 1957
Or. †Ptychopariida Swinnerton 1915
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Subor. †Asaphina Salter 1864
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Superfm. †Asaphacea Burmeister 1843
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Fm. †Asaphidae Burmeister 1843
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Invalid names: Ogygiinae Raymond 1913 [empty]
Fm. †Ceratopygidae Raymond 1913
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G. †Onychopyge Harrington 1938
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†Onychopyge argentina Harrington and Leanza 1957
†Onychopyge longispina Harrington and Leanza 1957
†Onychopyge plagiacantha Harrington and Leanza 1957
†Onychopyge riojana Harrington 1938
G. †Pseudohysterolenus Harrington and Leanza 1957
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†Pseudohysterolenus infidus Harrington and Leanza 1957
Fm. †Nileidae Angelin 1854
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Invalid names: Dikelocephalinidae Kobayashi 1936 [empty]
Invalid names: Illaenacea Corda 1847 [empty]
Subor. †Olenina Hupe 1952
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Fm. †Olenidae Burmeister 1843
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Subfm. †Leptoplastinae Angelin 1854
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Subfm. †Oleninae Burmeister 1843
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G. †Parabolina Salter 1849
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†Parabolina argentina Kayser 1876
†Parabolina frequens Barrande 1868
†Parabolina kobayashii Harrington and Leanza 1957
†Parabolina pheidolopyge Harrington 1938
G. †Plesioparabolina Harrington and Leanza 1942
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†Plesioparabolina proparia Harrington and Leanza 1942
Subfm. †Pelturinae Hawle and Corda 1847
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Subfm. †Triarthrinae Ulrich 1930
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G. †Angelina Salter 1859
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†Angelina hyeronimi Kayser 1876
†Angelina kayseri Harrington and Leanza 1957
†Angelina punctolineata Kobayashi 1937
G. †Parabolinella Brögger 1882
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†Parabolinella argentinensis Kobayashi 1936
†Parabolinella coelatifrons Harrington and Leanza 1957
†Parabolinella triarthroides Harrington 1938
G. †Triarthrus Green 1832
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†Triarthrus parchaensis Harrington and Leanza 1957
†Triarthrus rectifrons Harrington 1938
†Triarthrus shinetonensis Raw 1908
†Triarthrus tetragonalis Harrington 1938
Invalid names: Hypermecaspididae Harrington and Leanza 1957 [empty], Proetacea Corda 1847 [empty], Remopleuridacea Hawle and Corda 1847 [empty]
Subor. †Ptychopariina Richter 1933
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Invalid names: Conocoryphacea Swinnerton 1915 [empty], Leiostegiacea Bradley 1925 [empty]
Subor. †Trinucleina Swinnerton 1915
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Fm. †Hapalopleuridae Harrington and Leanza 1957
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G. †Hapalopleura Harrington and Leanza 1957
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†Hapalopleura clavata Harrington and Leanza 1957
†Hapalopleura longicornis Harrington and Leanza 1957
G. †Rhadinopleura Harrington and Leanza 1957
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†Rhadinopleura eurycephala Harrington and Leanza 1957
Fm. †Orometopidae Hupe 1955
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G. †Orometopus Broegger 1898
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†Orometopus notatifrons Harrington and Leanza 1957
†Orometopus pyrifrons Harrington 1938
Fm. †Trinucleidae Hawle and Corda 1847
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Subfm. †Cryptolithinae Angelin 1854
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Invalid names: Tretaspidinae Whittington 1941 [empty]
Subor. †Harpina Whittington 1959
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Fm. Harpidae Bronn 1849
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G. †Australoharpes Harrington and Leanza 1957
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†Australoharpes depressus Harrington and Leanza 1957
Fm. †Harpididae Whittington 1950
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Subg. †Geragnostus (Micragnostus) Howell 1935
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†Geragnostus (Micragnostus) calviformis Harrington and Leanza 1957