Calvapilosa kroegeri Vinther et al., 2017
Mollusca
Sachitida
Siphogonuchidae
Early Ordovician
Fezouata biota, Fezouata Fm (Upper Tremadocian)
Morocco
Size: 3 cm
This animal was a primitive mollusk characterized by a single anterior shell plate and a body covered with hollow spines. The radula contains numerous teeth arranged in 125 rows.
February 11, 2017
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