Major Events in Early Vertebrate EvolutionPer Erik Ahlberg A multi-author volume Major Events in Early Vertebrate Evolution examines the origin and early evolution of the backboned animals (vertebrates)-the group which comprises all fishes, amphibians, reptiles, birds and mammals, including ourselves. This volume draws together evidence from fossils, genes, and developmental biology (the study of how embry |
Other editions - View all
Common terms and phrases
absent actinopterygians amphioxus analysis appear arch articulation associated basal Biology body bone braincase canal cartilage cells changes characters chondrichthyans chordates comparable complete condition conodonts craniates denticles dentition derived dermal developmental Devonian divergence dorsal early elements et al Eusthenopteron evidence evolution evolutionary expression extant Figure fishes fissure fossil function genes gnathostomes hagfishes head heterostracans Holland homologous hypotheses interpretation Janvier Jefferies Journal known lampreys lateral lineage London lower major mitochondrial molecular morphology Nature nerve neural crest neural tube notochord occipital opening Ordovician organ origin osteichthyans otic paired pattern phylogenetic phylogeny placoderms plate position posterior present Press primitive probably recent record region relationships represent scales Science separate sequence sharks similar single skeleton skull Smith Society specimens structure studies suggested tail taxa teeth teleost tetrapods tissue tooth tree University ventral vertebrates