protocercal |
diphycercal |
In zoology terms the difference between protocercal and diphycercal
is that
protocercal is having a caudal fin extending around the end of the vertebral column, like that which is first formed in the embryo of fishes; diphycercal while
diphycercal is describing a symmetric tail fin in which the vertebral column extends to the tip.
terms |
diphycercal |
As a noun terms
is .
As an adjective diphycercal is
(zoology) describing a symmetric tail fin in which the vertebral column extends to the tip.
diphycercal |
homocercal |
coordinate terms |
Homocercal is a coordinate term of diphycercal.
As adjectives the difference between diphycercal and homocercal
is that
diphycercal is describing a symmetric tail fin in which the vertebral column extends to the tip while
homocercal is describing the symmetric tail of a fish that has two lobes extending from the end of the vertebral column.
diphycercal |
heterocercal |
coordinate terms |
Heterocercal is a coordinate term of diphycercal.
As adjectives the difference between diphycercal and heterocercal
is that
diphycercal is describing a symmetric tail fin in which the vertebral column extends to the tip while
heterocercal is of a fish's tail, such that the vertebral column bends and extends upwards into the upper lobe of the tail, making it larger than the lower lobe; as in sharks, rays, and skates.