We note that according to our mitochondrial data set, the cephalochordates and vertebrates form a highly supported monophyletic group (BPP = 100%, TF = 96.5% and MLBP = 91%), which further diminishes ...
The Middle Cambrian chordate known as Pikaia gracilens was once thought to be humanity’s earliest known ancestor, and the earliest known member of the phylum Chordata. Now, a new study flips this ...
Our understanding of vertebrate origins is powerfully informed by comparative morphology, embryology and genomics of chordates, hemichordates and echinoderms, which together make up the deuterostome ...
The phylum Chordata; biology of vertebrates and their kin, by H.H. Newman ... a revision of Vertebrate zoology Smithsonian Libraries and Archives ...
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