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Tostonia
Trilobita - Asaphida - Eurekiidae
Taxonomy
Tostonia was named by Walcott (1924) [Sepkoski's age data: Cm Trep]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); and to Eurekiidae by Jell and Adrain (2003).
It was assigned to Ptychopariida by Sepkoski (2002); and to Eurekiidae by Jell and Adrain (2003).
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Tostonia Walcott |
| 2002 | Tostonia Sepkoski, Jr. |
| 2003 | Tostonia Jell and Adrain p. 454 |
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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