Origin of selachian
Examples from the Web for selachian
At this stage the Amphibian kidneys are nearly in the same condition as the Selachian, in the stage represented in Fig. 2.
The selachian portal vein represents the united vitelline veins, into which the veins of the digestive tract open.
In other words, the position of the blastopore in the Selachian is not the same as in the Frog.
The abdominal vein represents the lateral vein of the Selachian and corresponds to the umbilical vein of the higher vertebrates.
The further points of comparison between the Selachian and the bird are very simple.