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Biarmeaspira striata
Taxonomy
Biarmeaspira striata was named by Mazaev (2015). Its type specimen is PIN 4919/19-57, a shell, and it is a mold. Its type locality is Chimbulat Quarry, locality 4919/19, which is in a Roadian reef, buildup or bioherm reef rocks in the Nemda Formation of the Russian Federation.
Sister species lacking formal opinion data
Synonymy list
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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.
†Biarmeaspira striata Mazaev 2015
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 6 | 7.39 | 6.10 | 8.70 | 7.35 | 0.911 |
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| Source: o = order | |||||
| Reference: Bambach et al. 2007 | |||||
Age range: Roadian or 274.40000 to 266.90000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Roadian | Russian Federation (Kirov) | Biarmeaspira striata (126333 type locality: 126334 126335 170189 170190) | |
| Roadian | Russian Federation (Tatarstan) | Biarmeaspira striata (174704) |