1 Mammals. 2 Class Mammalia Includes 4000 species Most dominant land animals on earth. Two identifying characteristics: Hair/fur Mammary glands which.
The Unusual Platypus: Common but Vulnerable A PowerPoint Presentation By: Mrs. Perry.
Class Aves (the birds). Birds are amniotes who are from the synapsid line of reptilian evolution. They evolved from archosaurian ancestor. Nearest living.
Subphylum Vertebrata Superclass Agnatha (jawless vertebrates) Class Myxini Class Cephalaspidomorphi Superclass Gnathostomata (jawed vertebrates) Class.
