Esemplari della tipologia

British Museum, 1979,0101.1890
37.8 mm • 26.37 g • ↑↑ 6h
British Museum, 1863,0706.30
34.7 mm • 18.66 g • ↑↑ 6h
British Museum, 1979,0101.1891
35.2 mm • 17.11 g • ↑↑ 6h