Definition of Amphioxus
Am`phi`ox´us
n.
1.
(Zool.)
A
fishlike
creature
(
Amphioxus
lanceolatus
),
two
or
three
inches
long
,
found
in
temperature
seas
; -
also
called
the
lancelet
.
Its
body
is
pointed
at
both
ends
.
It
is
the
lowest
and
most
generalized
of
the
vertebrates
,
having
neither
brain
,
skull
, vertebræ,
nor
red
blood
.
It
forms
the
type
of
the
group
Acrania
,
Leptocardia
,
etc
.
Related Words
cephalochordate
,
genus
Amphioxus
,
lancelet
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