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Gypospirifer kobiyamai
Taxonomy
Gypospirifer kobiyamai was named by Tazawa and Araki (2013). Its type specimen is KCG001 and is a mold. Its type locality is AR1, Shigejisawa, Kamiyasse, Kesennuma City, which is in a Wordian marine sandstone in the Kanokura Formation of Japan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2013 | Gypospirifer kobiyamai Tazawa and Araki p. 7 figs. 2.3, 2.4 |
| 2015 | Gypospirifer kobiyamai Tazawa et al. p. 45 fig. 6.9 |
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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.
†Gypospirifer kobiyamai Tazawa and Araki 2013
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| valve height | 1 | 31.2 |
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| Source: o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: base of the Roadian to the top of the Capitanian or 274.40000 to 259.51000 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | Japan | Gypospirifer volatilis (75529 75531 75535) | |
| Wordian | Japan (Miyagi) | Gypospirifer kobiyamai (type locality: 149792) | |
| Wordian | Japan | Gypospirifer kobiyamai (118972) | |
| Wordian - Capitanian | China (Heilongjiang) | Neospirifer striatoparadoxus (111166) | |
| Capitanian | Japan | Gypospirifer volatilis (62292 118871) | |
| Capitanian | Russian Federation | Neospirifer striatoparadoxus (82407) |