• (n. pl.) An order of Cephalopoda having four gills. Among living species it includes only the pearly nautilus. Numerous genera and species are found in the fossil state, such as Ammonites, Baculites, Orthoceras, etc.
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http://thinkexist.com/dictionary/meaning/tetrabranchiata/
Tet`ra·bran`chi·a'ta noun plural [ New Latin See
Tetra- , and
Branchia .]
(Zoology) An order of Cephalopoda having four gills. Among living species it includes only the pearly nautilus. Numerous genera and species are found in the fossil state, such as Ammonites, Baculites, ...
Found on
http://www.encyclo.co.uk/webster/T/34
No exact match found.
