15 cm Promicroceras ammonite bed, Monmouth beach, Lyme Regis
The ammonite bed measures 15 cm across it's widest part, and is packed with promicroceras and cymbites ammonites. It was found on Monmouth Beach, Lyme Regis - a unusual piece from this location, free standing on a cut base
Matrix dimensions: 15 x 12 x 4
Lower Sinemurian, Black Ven Mudstone Member, Charmouth Mudstone Formation, Dorset. 195 MYA
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