Pusula solandri (G.B. Sowerby I, 1832)
• Solander's Trivia / Sea Button
Species: Pusula solandri
Palos Verdes, California, USA
From my collection
Similar to P. radians, looking at them side by side the differences are remarkable.
Several websites, stores and dealers have cross identified them.
Pusula radians (Lamarck, 1810):
Pusula solandri (J. E. Gray in G. B. Sowerby I, 1832):
Please, refer to plates 5 and 7 from FEHSE & GREGO: Revision of the genus Pusula (published in 2014)