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Protopteraspididae
Taxonomy
Protopteraspididae was named by Novitskaya (1983). It was considered paraphyletic by Randle and Sansom (2017).
It was assigned to Pteraspidiformes by Blieck (1984), Blieck et al. (2002), Nelson et al. (2016) and Randle and Sansom (2017).
It was assigned to Pteraspidiformes by Blieck (1984), Blieck et al. (2002), Nelson et al. (2016) and Randle and Sansom (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Protopteraspididae Novitskaya |
| 1984 | Protopteraspididae Blieck p. 105 |
| 2002 | Protopteraspididae Blieck et al. p. 811 |
| 2016 | Protopteraspididae Nelson et al. p. 29 |
| 2017 | Protopteraspididae Randle and Sansom p. 596 |
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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.
Fm. †Protopteraspididae Novitskaya 1983
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G. †Canadapteraspis Dineley and Loeffler 1976
G. †Escharaspis Elliott 1983
G. †Gigantaspis Heintz 1962
G. †Loricopteraspis Halstead Tarlo 1961
G. †Miltaspis Blieck 1981
G. †Stegobranchiaspis Elliott 1983
G. †Zascinaspis Stensiu 1958
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| Reference: Kiessling 2004 | |||||
Age range: base of the Lochkovian to the top of the Eifelian or 419.20000 to 387.70000 Ma
Collections (7 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lochkovian | Canada (Nova Scotia) | Protopteraspis sp. (14201) | |
| Lochkovian | Russian Federation | Protopteraspis sp. (90330) | |
| Lochkovian | France | Protopteraspis sp. (26983) | |
| Lochkovian | Norway | Protopteraspis sp. (26929) | |
| Lochkovian - Pragian | USA (Ohio) | Zascinaspis sp. (26874) | |
| Pragian | Russian Federation | Protopteraspididae indet., Protopteraspididae indet. 1, Miltaspis sp., Gigantaspis sp. (90331) | |
| Eifelian | Russian Federation | Protopteraspididae indet 2 (90332) |