pen
From ZooTerms (Dictionary of Invertebrate Zoology)
Revision as of 23:41, 13 September 2013 by Andreas Plank (Talk | contribs) (1 revision: import_noun-simple)
pen (noun; Latin penna, feather): (Mollusca: Cephalopoda) In Teuthoidea, an internal shell that may be slender, thin, delicate, horny or lanceolate
See also: gladius.
