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Calvapilosa kroegeri

- Siphogonuchitidae

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
YearName and author
2017Calvapilosa kroegeri Vinther et al. figs. 1-3

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
Sachitida(He 1980)
superfamilySiphogonuchitoidea(Qian 1977)
familySiphogonuchitidae
genusCalvapilosa
specieskroegeri

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
ReferenceDiagnosis
J. Vinther et al. 2017Elongate 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