It is known from the holotype and only specimen, MMUM LL 8004, an almost complete, three-dimensionally preservedand and articulated skeleton, found from the Hildoceras bifrons Zone (181.2–180.7 Ma) of the Alum Shale Member, Whitby Mudstone Formation, dating to early Toarcian stage.
Hildoceras bifrons is an extinct species of ammonite in the family Hildoceratidae.
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It is particularly associated with the fossil beds in the Whitby Mudstone Formation, Yorkshire, England.