Bing found the following results
Campylaspis verrucosa Sars, 1866 - World Register of Marine Species
Campylaspis G.O. Sars, 1865 - World Register of Marine Species
IRMNG - Campylaspis G.O. Sars, 1865
Campylaspis verrucosa Sars, 1866 - asturnatura.com
Campylaspis | IBERFAUNA
Cumacea World database - Species
Marine Species of the British Isles and Adjacent Seas (MSBIAS)
Campylaspis verrucosa Sars, 1866 - taxref.mnhn.fr
Collection specimens - Specimens - Data Portal
taxref.mnhn.fr