648b31039c7616c2fb83ead130b667cb

...

Gymnodiadema hessi Smith, 2011

Source

Rank

species

Names

1

Smith, A. B. 2011. Gymnodiadema and the Jurassic roots of the Arbacioida (stirodont echinoids). Swiss Journal of Palaeontology, 130/1, 155-171.