Advertisement

Advertisement

diphycercal

[ dif-uh-sur-kuhl ]

adjective

, Ichthyology.
  1. 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.


diphycercal

/ ˌdɪfɪˈsɜːkəl /

adjective

  1. ichthyol of or possessing a symmetrical or pointed tail with the vertebral column extending to the tip, as in primitive fishes


Discover More

Word History and Origins

Origin of diphycercal1

diphy- double ( diphyodont ) + Greek kérk(os) a tail + -al 1( def )

Discover More

Word History and Origins

Origin of diphycercal1

C19: from Greek diphuēs twofold (from di 1+ phuē growth) + kerkos tail

Discover More

Example Sentences

In Dipterus there are no marginal teeth, and the tail is heterocercal, not diphycercal, as in the other Dipnoans generally.

In the Ctenodontidæ the tail is diphycercal, and no jugular plates are present in the known specimens.

The tail is diphycercal in all, ending in a long point, and the body is covered with cycloid scales.

The tail is heterocercal, but in some cases (Squatina) approaches the diphycercal condition.

The blade of the caudal fin is then divided into two nearly equal portions, and is said to be diphycercal.

Advertisement

Word of the Day

absquatulate

[ab-skwoch-uh-leyt ]

Meaning and examples

Start each day with the Word of the Day in your inbox!

By clicking "Sign Up", you are accepting Dictionary.com Terms & Conditions and Privacy Policies.

Advertisement

Advertisement

Advertisement


diphthongizediphyletic