Fossils are known from the formation, including from the Birk Knowes locality.

"[3] The Birk Knowes site contains fossils from non-marine or marginal marine environment.

[4] In 2000, Birk Knowes was closed by the Scottish government agency Scottish Natural Heritage (now NatureScot), due to the theft of specimens from the site by amateur collectors during the preceding decades, who essentially exhausted the fossiliferous deposit.

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