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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), Randle and Sansom (2017).
It was assigned to Pteraspidiformes by Blieck (1984), Blieck et al. (2002), Nelson et al. (2016), 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
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†Canadapteraspis alocostomata Dineley and Loeffler 1976
†Canadapteraspis formosa Thorsteinsson and Elliott 2022
†Canadapteraspis helostomata Dineley and Loeffler 1976
†Canadapteraspis thymostomata Dineley and Loeffler 1976
†Canadapteraspis uniformis Thorsteinsson and Elliott 2022
G. †Gigantaspis Heintz 1962
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†Gigantaspis isachseni Heintz 1962
†Gigantaspis laticephala PERNEGRE and GOUJET 2007
†Gigantaspis minima PERNEGRE and GOUJET 2007
G. †Protopteraspis Leriche 1924
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†Protopteraspis arctica Elliott 1983
†Protopteraspis corniga Elliott 1983
†Protopteraspis gosseleti Leriche 1906
†Protopteraspis micra Ilyes et al. 1995
†Protopteraspis primaeva Kiaer 1928
†Protopteraspis pygmaea Elliott 1983
†Protopteraspis sartokia Elliott 1983
†Protopteraspis siliktokia Elliott 1983
†Protopteraspis vogti Kiaer 1928
Invalid names: Simopteraspis Denison 1970 [synonym]
G. †Zascinaspis Stensiu 1958
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†Zascinaspis heintzi Blieck 1984
†Zascinaspis laticephala Blieck and Goujet 1983
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Carroll 1988, Kiessling 2004 | |||||
Age range: base of the Early/Lower Lochkovian to the top of the Eifelian or 419.62000 to 387.95000 Ma
Collections (56 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Lochkovian | Canada (Nunavut) | Protopteraspis sp. indet. (238861) | |
| Early/Lower Lochkovian | United Kingdom | Protopteraspis gosseleti (238749 238779 238780 238781 238782 238783 238784 238785 238786 238788 238789 238790 238791 238792 238793 238794 238795 238797) | |
| Lochkovian - Early/Lower Lochkovian | Canada (Northwest Territories) | Canadapteraspis thymostomata, Canadapteraspis helostomata (237849) | |
| Lochkovian | Canada (Nunavut) | Stegobranchiaspis baringensis (90322 238034 238035) Stegobranchiaspis baringensis, Escharaspis alata (238128) | |
| Lochkovian | Ukraine | Zascinaspis heintzi (239222 239225 239227 239228 239231 239251) | |
| Lochkovian | Russian Federation | Protopteraspis sp. (90330) | |
| Lochkovian | Norway | Canadapteraspis sp., Protopteraspis sp., Miltaspis anatirostrata (237820) Miltaspis anatirostrata, Protopteraspis vogti (237822) Protopteraspis primaeva (237816 237818) Protopteraspis sp. (26929 237815 237817 237821 237823 237826) | |
| Lochkovian | United Kingdom (England) | Pteraspis dairydinglensis (238454) | |
| Lochkovian | Svalbard and Jan Mayen | Protopteraspis micra (239099) | |
| Lochkovian | Canada (Nova Scotia) | Protopteraspis sp. (14201) | |
| Lochkovian | France | Protopteraspis gosseleti (26983) | |
| Lochkovian | Canada (Northwest Territories) | Canadapteraspis alocostomata (237813) | |
| Lochkovian - Pragian | USA (Ohio) | Zascinaspis sp. (26874) | |
| Lochkovian - Pragian | Ukraine | Zascinaspis heintzi (239238) | |
| Lochkovian - Eifelian | Ukraine (Ternopil) | Zascinaspis heintzi (237769) | |
| Pragian | Russian Federation | Protopteraspididae indet., Protopteraspididae indet. 1, Miltaspis sp., Gigantaspis sp. (90331) | |
| Pragian - Emsian | Norway | Zascinaspis laticephala (233178) | |
| Pragian - Emsian | Svalbard and Jan Mayen | Gigantaspis isachseni (237852 238272) Gigantaspis isachseni, Gigantaspis minima (237851) Gigantaspis laticephala (238274) | |
| Eifelian | Russian Federation | Protopteraspididae indet 2 (90332) |