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Rhopalastrum
Taxonomy
Rhopalastrum was named by Ehrenberg (1847) [Sepkoski's age data: J u R]. It is extant. Its type is Haliomma lagena.
It was assigned to Spongodiscidae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).
It was assigned to Spongodiscidae by De Wever et al. (2001); and to Spumellaria by Sepkoski (2002).
Species
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1847 | Rhopalastrum Ehrenberg |
| 1895 | Rhopalastrum clavatum Hinde and Fox |
| 1895 | Rhopalastrum ingens Hinde and Fox |
| 2001 | Rhopalastrum De Wever et al. p. 158 |
| 2002 | Rhopalastrum Sepkoski |
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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. Rhopalastrum Ehrenberg 1847
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†Rhopalastrum carbonicum Rüst 1892
†Rhopalastrum giganteum Rüst 1892
†Rhopalastrum isselii Rüst 1892
Rhopalastrum lagena Ehrenberg 1840
†Rhopalastrum siculum Rüst 1892
†Rhopalastrum tumidum Lipman 1952
Invalid names: Rhopalastrum clavatum Hinde and Fox 1895 [nomen dubium], Rhopalastrum ingens Hinde and Fox 1895 [nomen dubium]
Diagnosis
No diagnoses are available