An internally and externally symmetrical tail (caudal) fin

Synonyms: isocercal tail

This is just here as a test because I lose it

Term information

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In Dipnoi, may be secondarily acquired from the homocercal condition by loss of the real caudal fin and the gaining of a new one from dorsal and anal elements, e.g. in Gadidae. http://www.briancoad.com/Complete%20Dictionary%20latest%20version.htm

Term relations

Subclass of: