''Protowenella'' is a genus of
hyolith
Hyoliths are animals with small conical shells, known from fossils from the Palaeozoic era. They are at least considered as being lophotrochozoan, and possibly being lophophorates, a group which includes the brachiopods (hyoliths may even be ...
from the Middle Cambrian of Australia and Greenland, previously thought to be a helcionelloid.
It has a strongly spiralled, smooth shell with concentric ridges that have low relief. Other than its tighter coiling, it closely resembles ''
Tichkaella''.
References
Hyolitha
Prehistoric protostome genera
Prehistoric invertebrates of Oceania
Cambrian Australia
Cambrian Greenland
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