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Leptophragma
Taxonomy
Leptophragma was named by Zittel (1877) [Sepkoski's age data: J Call-l T Than Sepkoski's reference number: 622,868,1024]. It is not extant.
It was assigned to Hexactinosa by Sepkoski (2002); and to Leptophragmatinae by Finks et al. (2004).
It was assigned to Hexactinosa by Sepkoski (2002); and to Leptophragmatinae by Finks et al. (2004).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1877 | Leptophragma Zittel |
| 1912 | Polystigmatium Schrammen |
| 2002 | Leptophragma Sepkoski |
| 2002 | Polystigmatium Sepkoski |
| 2004 | Leptophragma Finks et al. |
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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. †Leptophragma Zittel 1877
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†Leptophragma glutinata Quenstedt 1878
†Leptophragma micropora Schrammen 1912
†Leptophragma murchisoni Goldfuss 1831
†Leptophragma striatopunctatum Schrammen 1912
Invalid names: Polystigmatium Schrammen 1912 [synonym]
Diagnosis
No diagnoses are available