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Semielliptotheca
Taxonomy
Semielliptotheca was named by Syssoiev (1958) [Sepkoski's age data: Cm Tomm-l O m Sepkoski's reference number: 1,1006].
It was assigned to Orthothecidae by Fisher (1962); to Hyolitha by Malinky (1990); and to Orthothecida by Sepkoski (2002).
It was assigned to Orthothecidae by Fisher (1962); to Hyolitha by Malinky (1990); and to Orthothecida by Sepkoski (2002).
Synonymy list
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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. †Semielliptotheca Syssoiev 1958
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Diagnosis
No diagnoses are available