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Skreiaspis
Taxonomy
Skreiaspis was named by Ruzicka (1946) [Sepkoski's age data: Cm m]. It is not extant.
It was assigned to Ptychopariida by Sepkoski (2002); to Trilobita by Fatka (2004); and to Agraulidae by Jell and Adrain (2002), Pour and Popov (2009).
It was assigned to Ptychopariida by Sepkoski (2002); to Trilobita by Fatka (2004); and to Agraulidae by Jell and Adrain (2002), Pour and Popov (2009).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1946 | Skreiaspis Ruzicka |
| 2002 | Skreiaspis Jell and Adrain p. 446 |
| 2002 | Skreiaspis Sepkoski |
| 2004 | Skrejaspis Fatka |
| 2009 | Skreiaspis Pour and Popov |
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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.
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004, Hendy et al. 2009 | |||||
Age range: base of the Middle Cambrian to the top of the Undillan or 506.50000 to 500.50000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Amgan | Czechia (Bohemia) | S. spinosus (67708 67738) | |
| Solvan - Menevian | Czechia | S. spinosus (73529 73557 73561) | |
| Middle Cambrian | Czechia (Jince) | S. spinosa (76481 76484) | |
| Middle Cambrian | Kyrgyzstan | S. spinosus (116223) | |
| Middle Cambrian | Czechia (Litavka) | S. spinosa (76454) | |
| Middle Cambrian | Czechia (Bohemia) | Skrejaspis spinosus (67775) | |
| Middle Cambrian | Spain | S. sp. (55265) | |
| Drumian | Czechia (Central Boemian) | S. spinosa (76456) | |
| Marjumian | USA (South Carolina) | S. sp. (75062) | |
| Undillan | Germany | S. sp. (155786) |