Protocercal is a coordinate term of homocercal.
As adjectives the difference between protocercal and homocercal
is that protocercal is (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 while homocercal is (ichthyology) describing the symmetric tail of a fish that has two lobes extending from the end of the vertebral column.
protocercal
English
Adjective
(
-)
(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.
(
Webster 1913)
homocercal
English
Adjective
(
en adjective)
(ichthyology) Describing the symmetric tail of a fish that has two lobes extending from the end of the vertebral column.
Coordinate terms
* diphycercal
* heterocercal
* protocercal