Movie S1.

Holotype of A. spinosus gen. et sp. nov.: movie of the virtual reconstruction rotating about the long axis.

Tiny individuals attached to a new Silurian arthropod suggest a unique mode of brood care

Derek E. G. Briggs, Derek J. Siveter, David J. Siveter, Mark D. Sutton, and David Legg

PNAS. 2016. DOI: 10.1073/pnas.1600489113