Now, research by Jiang and his colleagues published today (July 7) in Science concludes that yunnanozoans may be among the earliest vertebrates. Vertebrates are thought to have emerged during the ...
And since placodes buzz with genes that also sculpt teeth and fish scales, some scientists think that placodes arose in the earliest vertebrates—a “remarkable conservatism,” argues ...
Living vertebrates have skeletons built from four different tissue types ... These findings enabled Dr Keating to rule out all but one hypothesis for the tissue’s identity: aspidin is the earliest ...
Researchers have attempted to decode the flying style of ancient pterosaurs — the earliest vertebrates to develop powered ...
Using photogrammetry, scientists delivered a photo-textured height map of fossil feeding pits and trails. These represent the earliest evidence for deep-sea vertebrates.
These joints are present in land vertebrates and bony fish, suggesting this feature had evolved in the common ancestors of these groups, but it remains unclear when in early vertebrate evolution ...
2003). The similarities between the living African apes were thought to have been inherited from a common ancestor (=primitive features), implying that the earliest hominins and our last common ...
Model vertebrates are extensively studied non-human vertebrates (species with a notochord, or vertebral column) chosen for the ease of investigating particular biological phenomena in areas such ...