| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hydnoangulus quadratus
Taxonomy
Hydnoangulus quadratus was named by Rigby and Ausich (1981). It is not extant. Its type locality is IU 15107 Waldrip, Lake Monroe, which is in a Mississippian deltaic sandstone in the Edwardsville Formation of Indiana. It is the type species of Hydnoangulus.
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Hydnoangulus quadratus Rigby and Ausich |
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.
†Hydnoangulus quadratus Rigby and Ausich 1981
show all | hide all
Diagnosis
No diagnoses are available