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.
<bdi><a href="https://en.wikipedia.org/wiki/en:Adolf_Naef" class="extiw" title="w:en:Adolf Naef"><span title="Swiss scientist (1883–1949)">Adolf Naef</span></a>
</bdi>
1921–1923
<ul><li>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.</li>
<li><a rel="nofollow" class="external text" href="http://www.tolweb.org/Chtenopteryx_sicula">The Tree of Life Web Project</a></li></ul>