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Chasmataspidacea (disused)
Taxonomy
Chasmataspidacea was named by Caster and Brooks (1956). It is not extant. Its type is Chasmataspididae.
It was assigned to Chasmataspidida by Bergström (1975).
It was assigned to Chasmataspidida by Bergström (1975).
Synonymy list
Year | Name and author |
---|---|
1956 | Chasmataspidacea Caster and Brooks |
1975 | Chasmataspidacea Bergström p. 303 |
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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.
Superfm. †Chasmataspidacea Caster and Brooks 1956
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Diagnosis
No diagnoses are available