| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Borestus magdalenensis
Taxonomy
Borestus magdalenensis was named by Batten (1995). Its type specimen is AMNH 44924, a shell, and it is a 3D body fossil. Its type locality is AMNH locality 2015, Powwow Canyon, which is in a Morrowan offshore shelf limestone in the Magdalena Limestone Formation of Texas.
Synonymy list
| Year | Name and author |
|---|---|
| 1995 | Borestus magdalenensis Batten pp. 16 – 17 fig. 20 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
†Borestus magdalenensis Batten 1995
show all | hide all
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. L. Batten 1995 | Relatively high-spired turreted shells with an ornamented subsutural spiral cord and a medial selenizone thread.
DESCRIPTION: Turreted shells with somewhat variable axial translation rate and whorl expansion rate. Sutures deeply impressed and whorls embrace below lower margin of outer whorl face. Upper whorl surface slightly concave to convexo-concave, sloping 45˚ downward to shoulder. Noded subsutural spiral cord. Outer whorl face vertical with upper margin forming shoulder, marked by a rounded, noded, spiral rib. Flat selenizone slightly depressed beneath whorl surface and marked by spiral lirae. It occupies half of whorl face and has a medial lirae (the only spiral ornament). It is bounded by narrow troughs which compose rest of outer whorl face. Lunulae well marked and interference nodes form at medial spiral lira connections. Lower margin of outer whorl face marked by spiral rib less developed than shoulder. Base is flatly rounded with about 12 spiral threads with faint interference nodes with the weakly developed collabral ornament. Phaneromphalus. Columellar lip reflexed and thickened into narrow callus and parietal inductura a smooth, depressed surface. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: f = family, superf = superfamily, o = order | |||||
| References: Wagner 2023, Bambach et al. 2007 | |||||