Diaz del Castillo, BeRNAL, ab

1499-ab. 1580. Spanish soldier in Mexico, who described the events in which he took Female Paper Nautilus ( Argonaut a ). sails. The Decapod a have in addition to the eight arms two long arms with expanded ends; the suckers are stalked and have horny rims. The eyes have no sphincter-like lids. They have an internal shell and finlike expansions of the mantle. Here belong Sepia , Soligo (the Squid), and Belemnites (a fo il). The last is known by its internal shell or phragmacone, which is represented in the Squids by the horny "pen" or cuttle bone.