Polycheles baccata, one of the Eryonidae.. Eyes and eye-stalks are absent, and the margin and sides of the carapace armed with spines (After Spence Bate)
Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899. bd.6. AtlasJena,G. Fischer,1902-40.biodiversitylibrary.org/page/6307510