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Hemidiscosa
Taxonomy
Hemidiscosa was named by Schrammen (1924).
It was assigned to Hexactinellida by Sepkoski (2002); and to Amphidiscophora by Finks and Rigby (2004).
It was assigned to Hexactinellida by Sepkoski (2002); and to Amphidiscophora by Finks and Rigby (2004).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Hemidiscosa Schrammen |
| 2002 | Hemidiscosa Sepkoski |
| 2004 | Hemidiscosa Finks and Rigby p. 420 |
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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.
Or. †Hemidiscosa Schrammen 1924
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Fm. †Hemidiscellidae Kling and Reif 1969
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Invalid names: Microhemidisciidae Finks and Rigby 2004 [empty]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Bambach et al. 2007 | |||||
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Asselian - Sakmarian (late glacial) | Brazil | Microhemidiscia greinerti (153819) |