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Plagiochasma
Taxonomy
Plagiochasma is a genus. It is not extant.
It was assigned to Nucleolitidae by Kier (1962) and Kier (1966); and to Cassiduloida by Sepkoski (2002).
It was assigned to Nucleolitidae by Kier (1962) and Kier (1966); and to Cassiduloida by Sepkoski (2002).
Synonyms
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Synonymy list
Year | Name and author |
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1857 | Trematopygus d'Orbigny p. 374 |
1891 | Dochmostoma Duncan |
1915 | Trematopygus Clark and Twitchell p. 71 |
1942 | Trematopygus Cooke p. 10 |
1962 | Plagiochasma Kier p. 89\ |
1966 | Plagiochasma Kier p. U505 |
2002 | Plagiochasma Sepkoski |
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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.
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]
Diagnosis
No diagnoses are available