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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
Measurements
No measurements are available
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Source: o = order | |||||
Reference: Bambach et al. 2007 |
Age range: base of the Darriwilian to the top of the Rawtheyan or 467.30000 to 445.20000 Ma
Collections (4 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Arenig | China (Manchuria) | Eotomaria ulrichi (56136) | |
Darriwilian | China (Liaoning) | Eotomaria ulrichi (163054) | |
Burrellian | United Kingdom (Scotland) | Pleurotomaria girvanense (156584) | |
Rawtheyan | United Kingdom (Scotland) | Bembexia globosa, Eotomaria thraivensis (73134) |