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Calvapilosa kroegeri
Taxonomy
Calvapilosa kroegeri was named by Vinther et al. (2017). Its type specimen is YPM 237255 and is a compression preserving soft parts. Its type locality is Bou Zorgan, which is in a Tremadoc marine shale in the Lower Fezouata Formation of Morocco. It is the type species of Calvapilosa.
Synonymy list
| Year | Name and author |
|---|---|
| 2017 | Calvapilosa kroegeri Vinther et al. figs. 1-3 |
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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.
†Calvapilosa kroegeri Vinther et al. 2017
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Vinther et al. 2017 | Elongate sachitid bearing a single, large subquadratic anterior shell plate with an anteriorly placed mucro. Dense dorsal covering of fine, hollow, spinose sclerites with inconspicuous morphological zonation. Shell plate largely covered by the mantle and sclerites |
Measurements
No measurements are available
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| Source: uc = unranked clade | |||||
| Reference: Hendy et al. 2009 | |||||
Age range: Tremadocian or 485.40000 to 477.70000 Ma
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tremadoc | Morocco | Calvapilosa kroegeri (type locality: 184198 184210 184211) | |
| Tremadocian | Morocco (Anti-Atlas) | Calvapilosa kroegeri (166727) |