different between protocercal vs diphycercal

protocercal

English

Etymology

proto- +? cercal

Adjective

protocercal (not comparable)

  1. (zoology) Having a caudal fin extending around the end of the vertebral column, like that which is first formed in the embryo of fishes; diphycercal.

protocercal From the web:

  • what is protocercal tail
  • what does protocol mean
  • protocercal tail fish example


diphycercal

English

Etymology

From Ancient Greek [Term?]: diphy?s, of double nature, kerkos, a tail.

Adjective

diphycercal (not comparable)

  1. (zoology) Describing a symmetric tail fin in which the vertebral column extends to the tip.

diphycercal From the web:

  • what is diphycercal tail
  • what does diphycercal meaning
  • diphycercal tail example
  • diphycercal tail is found in
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