Agraulos ceticephalus and other Cambrian trilobites in the subfamily Agraulinae from Bohemia, Newfoundland and Wales - Fletcher - 2017 - Papers in Palaeontology - Wiley Online Library
Geologisk gåde om livet på havbunden for 500 mio. år siden løst | Carlsbergfondet
Bornholm
Acrothele granulata (Linnarsson). A, F. Broken dorsal exterior with... | Download Scientific Diagram