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Panamintaspis
Taxonomy
Panamintaspis was named by Elliott and Ilyes (1996). Its type is Panamintaspis snowi.
It was assigned to Pteraspididae by Elliott and Ilyes (1996); and to Pteraspidoidei by Randle and Sansom (2017).
It was assigned to Pteraspididae by Elliott and Ilyes (1996); and to Pteraspidoidei by Randle and Sansom (2017).
Species
P. snowi (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1996 | Panamintaspis Elliott and Ilyes p. 153 |
| 2017 | Panamintaspis Randle and Sansom p. 597 |
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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. †Panamintaspis Elliott and Ilyes 1996
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†Panamintaspis snowi Elliott and Ilyes 1996
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. K. Elliott and R. R. Ilyes 1996 | As for species, this being a monospecific genus. [Large pteraspidid with slender dorsal shield and elongated rostrum. Dorsal spine long, slender, and sloping at a low angle. Orbital plates in medial contact with pineal plate; post-orbital process short. Pineal plate subrectangular. Bran- chial plates long and slender with ventral posterior process ex- tending onto comual plate. Branchial duct opening dorsally and well in advance ofposterolateral comer of dorsal shield; bound- ed anteriorly by branchial plate, medially by dorsal disc, laterally and posteriorly by broad, posteriorly extended comual plate. Dentine ridges flat crested, very finely crenulate, 15 per mm in midline; sharply crested and crenulate on rostral margin.] |
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| Reference: Kiessling 2004 | |||||
Age range: Late/Upper Emsian or 402.50000 to 391.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Emsian | USA (California) | P. snowi (206449) |