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Zonidiscus
Taxonomy
Zonidiscus was named by Spitz (1907). It is not extant.
It was synonymized subjectively with Tropidodiscus by Knight et al. (1960).
It was assigned to Tropidodiscidae by Wagner (2023).
It was synonymized subjectively with Tropidodiscus by Knight et al. (1960).
It was assigned to Tropidodiscidae by Wagner (2023).
Species
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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. †Zonidiscus Spitz 1907
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†Zonidiscus clemvillensis Northrop 1939
†Zonidiscus discus Lindström 1884
†Zonidiscus grayi Reed 1921
†Zonidiscus grayi shallochensis Reed 1921
†Zonidiscus incola Perner 1903
†Zonidiscus youngi Foerste 1889
Diagnosis
No diagnoses are available