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Terebratulina perplexa
Taxonomy
Terebratulina perplexa was named by Cooper (1957). Its type specimen is USNM 549320, a shell, and it is a 3D body fossil. Its type locality is USGS 17656, Kakazu Ridge (FSM 88U), which is in a Pleistocene reef, buildup or bioherm limestone in the Sobe Formation of Japan.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Terebratulina perplexa Cooper p. 9 figs. Pl 2, figs 1-17 |
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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.
†Terebratulina perplexa Cooper 1957
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 13.4 | 11.2 | 15.8 | 13.7 | 2.30 |
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Nesnidal et al. 2013 | |||||
Age range: Middle Pleistocene or 0.77400 to 0.12900 Ma
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Calabrian - Middle Pleistocene | Japan (Okinawa) | Terebratulina perplexa (42300 190217 190222 190244 190247 190250 190261 190265) | |
| Middle Pleistocene | Japan (Okinawa) | Terebratulina perplexa (type locality: 190256) |