Lower Jurassic, Lias Group, Waterloo Mudstone Formation
Barney's Point, Islandmagee, Co. Antrim
18 mm across
Waldheimia is a fairly typical early Jurassic (about 200 million years old) terebratulid brachiopod with a smooth, oval-shaped shell. It is quite rare in the Lower Jurassic of Northern Ireland.
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