Bryozoan Colony

Submitted by: John Topor
Taxon: Leptotrypella quadrangularis
Submit date: 2007-03-12
Location (approximate): Arkona, Lambton, ON
Stratigraphy: Arkona Formation
Age: Erian (Middle Devonian)
Submitter notes: Bryozoan colonies like this Leptotrypella become established on mature crinoidal lenses. Finding them relatively complete is a rare occurence. In most cases, they have to be reassembled. This colony measures 50mm by 30mm. The overall slab measures 75mm by 80mm.

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