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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Vernonaspis
Taxonomy
Vernonaspis is a genus. It is not extant.
It was assigned to Cyathaspidae by Denison (1963); and to Pteraspidomorphes by Sepkoski (2002).
It was assigned to Cyathaspidae by Denison (1963); and to Pteraspidomorphes by Sepkoski (2002).
Species
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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. †Vernonaspis
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†Vernonaspis bamberi Denison 1963
†Vernonaspis major Denison 1963
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| Reference: Kiessling 2004 | |||||
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Silurian | USA (Pennsylvania) | V. sp. (12763) | |
| Silurian | Canada (Yukon) | V. major (185831) | |
| Llandovery - Ludlow | USA (New York) | V. sp. (12764) | |
| Homerian | Canada (Northwest Territories) | V. sp. (497) | |
| Ludlow | USA (Pennsylvania) | V. sp. (14206) | |
| Ludfordian | USA (New York) | V. sp. (26085) | |
| Pridoli | USA (New York) | V. sp. (493) |