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Erixanium
Taxonomy
Erixanium was named by Opik (1963) [Sepkoski's age data: Cm Dres-u Cm Fran-l Sepkoski's reference number: 16,489]. It is not extant. Its type is Erixanium sentum.
It was assigned to Aphelaspididae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Aphelaspididae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Erixanium Opik |
| 2002 | Erixanium Jell and Adrain p. 374 |
| 2002 | Erixanium 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. †Erixanium Opik 1963
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†Erixanium carinatum Palmer 1965
†Erixanium multisegmentus Palmer 1965
†Erixanium rectangularis Lu and Lin 1983
†Erixanium sentum Opik 1963
Diagnosis
No diagnoses are available