| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Mucrospirifer mucronatus
Taxonomy
Delthyris mucronatus was named by Conrad (1841). It is the type species of Mucrospirifer.
It was recombined as Spirifer mucronatus by Shimer and Grabau (1902); it was recombined as Mucrospirifer mucronatus by Grabau (1931) and Tillman (1964).
It was recombined as Spirifer mucronatus by Shimer and Grabau (1902); it was recombined as Mucrospirifer mucronatus by Grabau (1931) and Tillman (1964).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1841 | Delthyris mucronatus Conrad p. 54 |
| 1902 | Spirifer mucronatus Shimer and Grabau p. 170 |
| 1931 | Mucrospirifer mucronatus Grabau pp. 247 - 248 |
| 1964 | Mucrospirifer mucronatus Tillman pp. 957 - 960 figs. Pl. 153, fig. 1-9; pl. 154, figs. 1,3-6; pl. 155, figs. 1-32; pl. 156, figs. 34-38 |
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.
†Mucrospirifer mucronatus Conrad 1841
show all | hide all
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| T. A. Conrad 1841 | Trigonal, compressed, with numerous ribs, crossed by prominent lines; cardinal line extremely elongated and mucronate at the extremities; mesial elevation flattened and divided by a longitudinal sulcus. Width 3 inches; from beak to base three-quarters of an inch. |