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Dicellonema abrekensis
Taxonomy
Bellerophon abrekensis was named by Kaim (2009). Its type specimen is NSM PM23331 and is a 3D body fossil. Its type locality is Abrek Bay AB1010, which is in a Griesbachian submarine fan sandstone in the Lazurnaya Bay Formation of the Russian Federation.
It was recombined as Dicellonema abrekensis by Kaim and Nützel (2011), Hofmann et al. (2013), Hautmann et al. (2015), Foster et al. (2019).
It was recombined as Dicellonema abrekensis by Kaim and Nützel (2011), Hofmann et al. (2013), Hautmann et al. (2015), Foster et al. (2019).
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Bellerophon abrekensis Kaim p. 147 figs. 135, 136 |
| 2011 | Dicellonema abrekensis Kaim and Nützel |
| 2013 | Dicellonema abrekensis Hofmann et al. p. 868 figs. 8.21, 8.22 |
| 2015 | Dicellonema abrekensis Hautmann et al. p. 891 fig. 12A |
| 2019 | Dicellonema abrekensis Foster et al. p. 637 fig. 13A,B |
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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.
†Dicellonema abrekensis Kaim 2009
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 7.34 | 4.78 | 11.8 | 7.00 | 3.59 |
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| Source: f = family, o = order, c = class | |||||
| References: Kiessling 2004, Hendy 2009 | |||||
Age range: base of the Griesbachian to the top of the Dienerian or 251.90200 to 249.90000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Griesbachian | USA (Wyoming) | Dicellonema abrekensis (150701) | |
| Griesbachian | China (Guangxi) | Bellerophon abrekensis (96695) Dicellonema abrekensis (187282 187283) | |
| Griesbachian | Russian Federation | Bellerophon abrekensis (type locality: 90207) Dicellonema abrekensis (221137 221138) | |
| Griesbachian | Oman | Bellerophon sp. (44824 44829 44831 44832 60532) | |
| Griesbachian | China (Guizhou) | Dicellonema abrekensis (200985 200994 201000 201013) | |
| Dienerian | Russian Federation | Bellerophon abrekensis (90209 90210) |