Xandarella spectaculum Hou, Ramsköld & Bergström, 1991

Specimen c. 4 cm in length.
(Image courtesy of Stefan Bengston and Jan Bergström, from Hou and Bergström, 1997)

Lateroventral view of head.
(Image courtesy of Stefan Bengston and Jan Bergström, from Hou and Bergström, 1997)