Class Reptilia Class Amphibia. CHORDATA Latin term for chord .
24. Fishes
Evolution in the Fossil Record Evolution of phenotype Evolution of diversity.
Tiktaalik Fills Another Gap. Searching for Transitionals Estuary or tidal flat Warm, equatorial climate Late Devonian era, around 370 million years.
SUBPHYLUM VERTEBRATA Class Amphibia. Origin and Evolution of Amphibians Introduction About 400 million years ago, the first amphibians evolved from.
Evolution in the Fossil Record
