Spatangus argillaceus

Description

Syntype Figured by Phillips (1829, pp. 121, 186, pl. 2, fig. 4; 1835, pp. 93, 157, 178, pl. 2, fig. 4) as Spatangus argillaceus. Figured by Phillips (1875, pp. 238, 322, pl. 2, fig. 4) as Toxaster argillaceus. Speeton, East Yorkshire. Colour laser scan. Faro laser arm.