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Discoactinoceras
Taxonomy
Discoactinoceras was named by Kobayashi (1927) [Sepkoski's age data: O Llvi O Cara-l Sepkoski's reference number: 524,1066].
It was assigned to Huroniidae by Teichert et al. (1964), Crick (1981); and to Actinocerida by Sepkoski (2002).
It was assigned to Huroniidae by Teichert et al. (1964), Crick (1981); and to Actinocerida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1927 | Discoactinoceras Kobayashi |
| 1964 | Discoactinoceras Teichert et al. p. 210 |
| 1981 | Discoactinoceras Crick p. 227 |
| 2002 | Discoactinoceras 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. †Discoactinoceras Kobayashi 1927
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Aberhan et al. 2004 | |||||
Age range: base of the Darriwilian to the top of the Late/Upper Llanvirn or 469.40000 to 458.20000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arenig | China (ShanDong) | D. sp. (20773) | |
| Darriwilian | China (Tibet) | D. multiplexum (233263) | |
| Llanvirn | China (HeBei) | D. sp. (7994) | |
| Late/Upper Llanvirn | China (HeBei) | D. sp. (7988) |