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Shearsbyaspis
Taxonomy
Shearsbyaspis was named by Young (1984) [Sepkoski's age data: D Emsi]. It is not extant.
It was assigned to Petalichthida by Sepkoski (2002).
It was assigned to Petalichthida by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
1984 | Shearsbyaspis Young |
2002 | Shearsbyaspis Sepkoski |
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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.
G. †Shearsbyaspis Young 1984
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Diagnosis
No diagnoses are available