Pentacrinites fossilis (Blumenbach).
Small triangular piece of the 'Pentacrinite Bed' from Black Ven, Charmouth. One surface shows well preserved stems, arms and pinnules. Nice detail under magnification.
Jurassic, Upper Sinemurian, Obtusum Zone, 'Pentacrinite Bed'.
Black Ven, Charmouth, Dorset.
Specimen : 7 x 6 x 1.5 cm.