Amphoracrinus cf. gilbertsoni Phillips.
Matrix free beautifully preserved calyx. Nice detail of the plates and the 5 arm bases. From the famous old locality of Salthill Quarry. Now an SSSI. Salthill calyxes of this size and quality are now very difficult to obtain.
Carboniferous, Visean.
Salthill Quarry, Clitheroe, Lancashire.
Calyx : 4.3 cm tall.
