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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Tessarolax louellae
Taxonomy
Tessarolax louellae was named by Saul and Squires (2015). Its type specimen is RBCM.EH2011.007.0015 and is a 3D body fossil. Its type locality is Phipps Point, NW Hornby Island, which is in a Campanian marine mudstone in the Northumberland Formation of Canada.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2015 | Tessarolax louellae Saul and Squires p. 54 figs. Figures 4, 61 – 70 |
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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.
†Tessarolax louellae Saul and Squires 2015
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. R. Saul and R. L. Squires 2015 | Mature last whorl tricarinate, dorsal spine prominent; callus extensive over entire shell; ablabral callus, ventral callus, and fictavarix merge to form long, blade-shaped callus structure. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Late/Upper Campanian or 83.60000 to 72.20000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Canada (British Colombia) | Tessarolax louellae (type locality: 191629) | |
| Late/Upper Campanian | Canada (British Columbia) | Tessarolax louellae (84196) |