• (a.) Having the tail fin divided into two equal parts by the notochord, or end of the vertebral column; protocercal. See Protocercal.
Found on
http://thinkexist.com/dictionary/meaning/diphycercal/
Diph`y·cer'cal adjective [ Greek
difyh`s double (
di- =
di`s- twice +
fy`ein to produce) +
ke`rkos tail.]
(Anat.) Having the tail fin divided into two equal parts by the notochord, or end of the vertebral column; protocercal. See
Protoc...
Found on http://www.encyclo.co.uk/webster/D/70
having a tail or caudal fin with the spinal column extending horizontally to the end of the tail, characteristic of lungfish, several other primitive fishes, and the juvenile stage of modern bony fishes. Cf. homocercal, heterocercal.
Found on https://www.infoplease.com/dictionary/diphycercal
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