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Vernonaspis major
Taxonomy
Vernonaspis major was named by Denison (1963). Its type specimen is PU 17104, a partial skeleton, and it is a 3D body fossil. Its type locality is Beaver River, which is in a Silurian marine dolomite in Canada.
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Vernonaspis major Denison p. 110 |
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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.
†Vernonaspis major Denison 1963
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. H. Denison 1963 | The length of the dorsal shield is 57 mm. in the type. The dentine ridges are 5 to 6 per millimeter. The dorsal shield has a rounded median lobe on its posterior edge, and sharply marked post- branchial processes. |