''Obolella'' is a genus of

Cambrian The Cambrian ( ) is the first geological period of the Paleozoic Era, and the Phanerozoic Eon. The Cambrian lasted 51.95 million years from the end of the preceding Ediacaran period 538.8 Ma (million years ago) to the beginning of the Ordov ...

brachiopods.

References

Brachiopods of Europe Cambrian brachiopods Prehistoric brachiopod genera Paleozoic life of Newfoundland and Labrador Cambrian genus extinctions {{brachiopod-stub