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Parapteraspis
Taxonomy
Parapteraspis was named by Stensio (1958). It is not extant.
It was synonymized subjectively with Pteraspis by Denison (1970).
It was assigned to Pteraspididae by Blieck (1984); and to Pteraspidoidei by Randle and Sansom (2017).
It was synonymized subjectively with Pteraspis by Denison (1970).
It was assigned to Pteraspididae by Blieck (1984); and to Pteraspidoidei by Randle and Sansom (2017).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1958 | Parapteraspis Stensio |
| 1984 | Parapteraspis Blieck p. 105 |
| 2017 | Parapteraspis 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. †Parapteraspis Stensio 1958
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†Parapteraspis djurinensis Blieck 1984
†Parapteraspis gracilis Stensio 1958
†Parapteraspis jackana White 1935
†Parapteraspis plana Stensio 1958
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: Lochkovian or 419.62000 to 413.02000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lochkovian | United Kingdom (Herefordshire) | P. jackana (201736 239157) | |
| Lochkovian | Ukraine | P. plana (239251) | |
| Lochkovian - Eifelian | Ukraine (Ternopil) | P. djurinensis, P. plana (237769) |