amphioxus

[ am-fee-ok-suh s ]

/ ˌæm fiˈɒk səs /

Zoology. lancelet.

Origin of amphioxus

1830–40; < New Latin: literally, sharp at both ends < Greek amphi- amphi- + oxýs pointed

Wilson, separation of segmentation spheres of amphioxus egg, 60.

The Biological Problem of To-day |Oscar Hertwig
They, however, resemble even as much in arrangement and greater number the buccal cirri of Amphioxus.

A Guide to the Study of Fishes, Volume 1 (of 2) |David Starr Jordan
Certain arrangements of the pharyngeal wall of Ammocoetes show a remarkable resemblance to what is found in Amphioxus.

Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8 |Various
Neither the Tunicata nor Amphioxus can by any possibility be on the direct line of ascent from the invertebrate to the vertebrate.

The Origin of Vertebrates |Walter Holbrook Gaskell

The egg of the lowest vertebrate, amphioxus, shows these changes in a simple and apparently primitive form.

The Whence and the Whither of Man |John Mason Tyler

amphioxus

/ (ˌæmfɪˈɒksəs) /

another name for the lancelet

C19: from New Latin: both ends being sharp, from amphi- + Greek oxus sharp

amphioxus

[ ăm′fē-ŏk′səs ]

See lancelet.