Protochordates:-
Balanoglossus: Tornaria larva Ascidia: Retrogressive metamorphosis Amphioxus |
Agnatha:-
Petromyzon Ammocoete larva
|
Gnathostomata
|
Amphibia
Reptilia
|
Aves
Mammals
|
Links:
[1] https://www.zoology.iisuniv.ac.in/courses/subjects/animal-diversity-iv
[2] https://www.zoology.iisuniv.ac.in/academic-year/2018-2019