Pentacrinites fossilis Blumenbach.
Huge slab of the famous 'Pentacrinite Bed'. The upper surface is plastered with beautifully preserved Crinoid remains. Multiple stems arms and pinnules. The detail under magnification is exquisite. Really impressive piece.
Jurassic, Upper Sinemurian.Black Ven Mudstone Member, 'Pentacrinite Bed'
Black Ven, Charmouth, Dorset.
Specimen : 18 x 17 x 3 cm.