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protocercal

Protocercal vs Diphycercal - What's the difference?

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 vs Protocercal - What's the difference?

terms | protocercal |


As a noun terms

is .

As an adjective 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.

Protocercal vs Homocercal - What's the difference?

protocercal | homocercal | coordinate terms |

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 vs Heterocercal - What's the difference?

protocercal | heterocercal | coordinate terms |

Protocercal is a coordinate term of heterocercal.


As adjectives the difference between protocercal and heterocercal

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 heterocercal is (ichthyology) 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.