Classification of the family Nucleolitidae

Fm. †Nucleolitidae Agassiz and Desor 1847
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†Clypeopygus paultrei Cotteau 1851
G. †Hemicara
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†Hemicara pomeranum Schülter 1902
G. †Heteronucleus Lambert 1911
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†Heteronucleus peroni Lambert 1911
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†Hypopygurus gaudryi Gauthier 1889
G. †Nucleolites Lamarck 1801
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†Nucleolites hori Fourtau 1921
†Nucleolites scutatus Lamarck 1816
Invalid names: Echinobrissus Gray 1825 [objective synonym]
G. †Oolopygus
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†Catopygus (Oolopygus) gonzalezi Sanchez-Roig 1953
†Oolopygus gracilis Lambert 1909
G. †Phyllobrissus Cotteau 1859
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Invalid names: Stigmatopygus malheiroi de Loriol 1888 [synonym]
†Phyllobrissus gresslyi Agassiz 1839
Invalid names: Anthobrissus Pomel 1883 [synonym], Asterobrissus de Loriol 1888 [synonym]
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†Plagiochasma cruciferum Morton 1830
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Invalid names: Nucleolites analis Agassiz 1857 [synonym], Pyrina freucheni Desor 1926 [synonym], Trematopygus analis dOrbigny 1855 [synonym]
†Plagiochasma lammersmaxi Jagt and Ham 2000
†Plagiochasma olfersii Agassiz 1836
†Plagiochasma orientalis Fourtau 1921
Invalid names: Dochmostoma Duncan 1891 [synonym], Trematopygus d'Orbigny 1857 [objective synonym]
G. †Pseudonucleus Lambert 1920
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†Pseudonucleus malladai Lambert 1920
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†Pseudosorella orbignyana Cotteau 1855
†Pseudosorella syriacus de Loriol 1901
Invalid names: Neoclypeus de Loriol [synonym]
G. †Pygaulus
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†Pygaulus desmoulinsii Agassiz 1847
G. †Pygopistes Pomel
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†Pygopistes coquandi Cotteau 1869
†Pygopistes parrasae Parma and Casadío 2005
†Pygopistes rudistarum Hawkins 1923
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Invalid names: Cassidulus (Pygorhynchus) berryi Kellum 1926 [synonym]
†Pygorhynchus obovatus Agassiz 1836
Invalid names: Botriopygus d'Orbigny 1855 [objective synonym]