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Canoptum merum
Taxonomy
Canoptum merum was named by Pessagno and Whalen (1982). Its type specimen is USNM 307206 and is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Canoptum merum Pessagno and Whalen |
| 1982 | Canoptum merum Pessagno, Jr. and Whalen p. 124 figs. Pl. 1, figs. 1, 15, 16, 20; Pl. 12, fig. 11 |
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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.
†Canoptum merum Pessagno, Jr. and Whalen 1982
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Early/Lower Hettangian to the top of the Pliensbachian or 201.40000 to 184.20000 Ma
Collections (25 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Hettangian | Japan | Canoptum merum (54231) | |
| Early/Lower Hettangian | Canada (British Columbia) | Canoptum merum (54207 94279 94387 94388 94389 94390 97481 97482 97483 97485 97486 97489 97491 97496 97498) | |
| Early/Lower Hettangian - Middle Hettangian | Canada (British Columbia) | Canoptum merum (94281 94392 94393 94395 94397) | |
| Hettangian | Türkiye | Canoptum merum (33670) | |
| Hettangian | USA (Oregon) | Canoptum merum (127236) | |
| Late/Upper Hettangian | Canada (British Columbia) | Canoptum merum (94374) | |
| Pliensbachian | Russian Federation | Canoptum merum (51564) |