Cephalopods in Action--Roper and Vecchione, 1997 Roper, C.F.E. and M. Vecchione
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In situ observations test hypotheses of functional morphology in Mastigoteuthis (Cephalopoda, Oegopsida).
Vie et Milieu 47:87-93. [eng]
"Bathyteuthoida" - Reference(s) Roper, C.F.E. 1969. Systematics and zoogeography of the worldwide
bathypelagic squid Bathyteuthis (Cephalopoda: Oegopsida).
--Bulletin of the United States National Museum, 291:1-210. [eng]