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Orthoptyxis
Taxonomy
Orthoptyxis was named by Yang & Wang (1985) [Sepkoski's age data: J K Sepkoski's reference number: ZR85]. It is not extant.
It was assigned to Cephalaspida by Sepkoski (2002).
It was assigned to Cephalaspida by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
1985 | Orthoptyxis Yang & Wang |
2002 | Orthoptyxis 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. †Orthoptyxis Yang & Wang 1985
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Diagnosis
No diagnoses are available