| Basic info | Taxonomic history | Classification | Relationships |
| Morphology | Ecology and taphonomy | Age range and collections |
Euptychaspis
Trilobita - Asaphida - Ptychaspididae
Taxonomy
Euptychaspis was named by Ulrich (1931) [Sepkoski's age data: Cm Trep-l O Trem-l Sepkoski's reference number: 379,697]. It is not extant.
It was assigned to Asaphida by Sepkoski (2002); and to Ptychaspididae by Jell and Adrain (2003).
It was assigned to Asaphida by Sepkoski (2002); and to Ptychaspididae by Jell and Adrain (2003).
Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Euptychaspis Ulrich |
| 2002 | Euptychaspis Sepkoski, Jr. |
| 2003 | Euptychaspis Jell and Adrain p. 375 |
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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.
Diagnosis
No diagnoses are available