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Tessarolax incrustata
Taxonomy
Tessarolax incrustata was named by Anderson and Hanna (1935). Its type specimen is CAS 1430.02 (= CAS 4262) and is a 3D body fossil. Its type locality is CAS loc.1430, Johnson's ranch, midway between Rosario and Santa Catarina Landing, which is in a Campanian/Maastrichtian marine horizon in the Rosario Formation of Mexico.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1935 | Tessarolax incrustata Anderson and Hanna p. 27 figs. Plate 9, figures 4, 5, 6 |
| 2015 | Tessarolax incrustata Saul and Squires pp. 54 - 58 figs. Figures 3, 72 – 84 |
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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 incrustata Anderson and Hanna 1935
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. R. Saul and R. L. Squires 2015 | Mature last whorl bicarinate, dorsal spine prominent; callus extensive over entire shell with digitations thickly callused; fictavarix flange shaped and extending ventrally to form broad stabilizer. |