Wissenschaftliche Ergebnisse der Deutschen Tiefsee-Expedition auf dem Dampfer "Valdivia" 1898-1899. bd.6. AtlasJena,G. Fischer,1902-40.biodiversitylibrary.org/page/6307518Epic illustration of Chaceon affinis, a #crab typically found in deep waters and fished commercially, biodiversitylibrary.org/page/6307518 #pod
Report on the zoological collections made in the Indo-Pacific Ocean during the voyage of H.M.S. 'Alert' 1881-2.London :Printed by order of the Trustees,1884. biodiversitylibrary.org/page/12067748
En praderas de Thallasia testudinum, Isla de Cubagua, Venezuela, Se puede apreciar el dimorfismo que existe entre el macho y la hembra , con respecto a la forma del rostro.