English: Ventral view of the viscera of Chtenopteryx sicula, showing the absence of a visceral photophore and the presence of the accessory nidamental gland.
日付
1921–1923
原典
Naef, A. (1921–1923). Die Cephalopoden (Systematik). In: Fauna e Flora del Golfo di Napoli, Monograph 35, Pubblicazioni della Stazione Zoologica di Napoli. R. Friedländer and Sohn, Berlin, pp. 1–863.
Ventral view of the viscera of ''Chtenopteryx sicula'', showing the absence of a visceral photophore and the presence of the accessory nidamental gland. Originally published in: Naef, A. 1921-23a. Cephalopoda. Fauna und Flora des Golfes von Neapel. Monog