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Palaeoschisma
Taxonomy
Pleurotomaria (Palaeoschisma) was named by Donald (1902) [Sepkoski's age data: O Cara-l O Ashg-m]. Its type is Pleurotomaria (Palaeoschisma) girvanense.
It was synonymized subjectively with Clathrospira by Knight et al. (1960); it was reranked as Palaeoschisma by Sepkoski (2002) and Wagner (2023).
It was assigned to Pleurotomaria by Donald (1902); to Archaeogastropoda by Sepkoski (2002); and to Eotomariinae by Wagner (2023).
It was synonymized subjectively with Clathrospira by Knight et al. (1960); it was reranked as Palaeoschisma by Sepkoski (2002) and Wagner (2023).
It was assigned to Pleurotomaria by Donald (1902); to Archaeogastropoda by Sepkoski (2002); and to Eotomariinae by Wagner (2023).
Subtaxa
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. †Palaeoschisma Donald 1902
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†Palaeoschisma elevata Ulrich and Scofield 1897
†Palaeoschisma girvanense Donald 1902
†Palaeoschisma globosa Longstaff 1924
†Palaeoschisma thraivensis Longstaff 1924
†Palaeoschisma ulrichi Endo 1932
Diagnosis
No diagnoses are available