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Nucleolitidae
Taxonomy
Nucleolitidae was named by Agassiz and Desor (1847).
It was assigned to Asternata by Clark and Twitchell (1915); to Cassiduloidea by Kier (1962); to Cassiduloida by Kier (1966), Smith (1991), Donovan (1993); and to Neognathostomata by Kroh and Smith (2010).
It was assigned to Asternata by Clark and Twitchell (1915); to Cassiduloidea by Kier (1962); to Cassiduloida by Kier (1966), Smith (1991), Donovan (1993); and to Neognathostomata by Kroh and Smith (2010).
Subtaxa
Clypeopygus, Hemicara, Heteronucleus, Hypopygurus, Nucleolites (syn. Echinobrissus), Oolopygus, Phyllobrissus (syn. Anthobrissus, Asterobrissus, Trochalia), Plagiochasma (syn. Dochmostoma, Trematopygus), Pseudonucleus, Pseudosorella (syn. Neoclypeus), Pygaulus, Pygopistes, Pygorhynchus (syn. Botriopygus)
Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Nucleolitidae Agassiz and Desor |
| 1915 | Nucleolitidae Clark and Twitchell p. 68 |
| 1962 | Nucleolitidae Kier p. 55 |
| 1966 | Nucleolitidae Kier p. U500 |
| 1991 | Nucleolitidae Smith p. 40 |
| 1993 | Nucleolitidae Donovan p. 99 |
| 2010 | Nucleolitidae Kroh and Smith p. 171 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Fm. †Nucleolitidae Agassiz and Desor 1847
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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
†Catopygus (Oolopygus) williamsi Clark 1907
†Oolopygus gracilis Lambert 1909
G. †Phyllobrissus Cotteau 1859
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†Phyllobrissus freitasii White 1887
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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]
G. †Plagiochasma
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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. †Pseudosorella
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†Pseudosorella orbignyana Cotteau 1855
†Pseudosorella syriacus de Loriol 1901
Invalid names: Neoclypeus de Loriol [synonym]
G. †Pygopistes Pomel
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†Pygopistes coquandi Cotteau 1869
†Pygopistes parrasae Parma and Casadío 2005
†Pygopistes rudistarum Hawkins 1923
G. †Pygorhynchus
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†Cassidulus (Pygorhynchus) sabistonensis Kellum 1931
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Invalid names: Cassidulus (Pygorhynchus) berryi Kellum 1926 [synonym]
†Nucleolites (Pygorhynchus) planatus Forbes 1846
†Nucleolites (Pygorhynchus) testudo Forbes 1846
†Pygorhynchus obovatus Agassiz 1836
Invalid names: Botriopygus d'Orbigny 1855 [objective synonym]
Diagnosis
No diagnoses are available