| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ptomaspis canadensis
Taxonomy
Ptomaspis canadensis was named by Denison (1963). Its type specimen is PU 17090, a partial skeleton, and it is a 3D body fossil. Its type locality is Beaver River, which is in a Silurian marine dolomite in Canada. It is the type species of Ptomaspis.
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Ptomaspis canadensis Denison p. 110 |
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.
†Ptomaspis canadensis Denison 1963
show all | hide all
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. H. Denison 1963 | The length of the dorsal shield is 61 mm.; the ratio of width to length is .58. Dentine ridges average about 5 per millimeter. |