Image: Chtenopteryx sicula paralarvae - from Commons

Description: Chtenopteryx sicula English:  Left - Two very young paralarvae, ca. ...mm ML, side view. The circular tentacular clubs have about 20 suckers, irregularly arranged. Two chromatophores are present on each side of the mantle. Middle - A more advanced paralarva, ca ... mm ML, ventral, dorsal and side views. An equatorial circulet of 7 large yellow-brown chromatophores is present on the mantle. Posteriorly the expanded vanes of the gladius are visible in the dorsal view. Right - A even more advanced paralarva, ca. ... mm ML, ventral and dorsal views.
Title: Chtenopteryx sicula paralarvae - from Commons
Credit: 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. The Tree of Life Web Project
Author: Adolf Naef (1883–1949)
Usage Terms: Public domain in the United States
License: PD-US
License Link: //en.wikipedia.org/wiki/File:Chtenopteryx_sicula_paralarvae_-_from_Commons.jpg