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Witaaspis schrenckii
Taxonomy
Witaaspis schrenckii was named by Robertson (1939). It is not extant.
Synonyms
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Synonymy list
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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.
†Witaaspis schrenckii Robertson 1939
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Invalid names: Tremataspis schrenkii Pander 1856 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subp = subphylum, p = phylum | |||||
| References: Kiessling 2004, Carroll 1988 | |||||
Age range: base of the Rootsikula to the top of the Paadla or 428.60000 to 423.00000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Rootsikula | Estonia (Saare) | Witaaspis schrenckii (206984) | |
| Rootsikula | Estonia | Witaaspis schrenckii (13823 13824) | |
| Paadla | Estonia | Witaaspis schrenckii (13826) |