Brief SummaryRead full entry Species of Helicocranchia are
small, oceanic squid (100 mm ML) characterized by having a very
large funnel and small paddle-like fins that attach to a portion
of the gladius that rises above the muscular mantle. They
exhibit a gradual ontogenetic descent from near-surface waters
as paralarvae to lower mesopelagic depths as near-adults. - with
exceptionally large funnel relative to head and arms. - with
fins which project dorsally in advance of mantle apex.