An exceptionally fine specimen showing 13 mm of pentagonal stem, the calyx with individual plates & a fine large complete attached anal tube (40 by 6 mm) featuring a strong central rib showing the individual ossicles and all the side ossicles in excellent relief. Three arms are present showing the isotomous branching well. From Bretton Dingle near Shrewsbury, England.
Size: 90 mm by 55 mm.
Size: 90 mm by 55 mm.