| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Xylaspis prima
Taxonomy
Xylaspis prima was named by Pernegre (2003). It is not extant.
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Xylaspis prima Pernegre |
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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.
†Xylaspis prima Pernegre 2003
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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 Late/Upper Lochkovian to the top of the Pragian or 414.60000 to 410.62000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Lochkovian - Pragian | Svalbard and Jan Mayen | Xylaspis prima (238754) |