Queensland Museum scientists describe the 400-million-year-old fossil Palaeospondylus australis, possibly the smallest ...

Queensland Museum scientists have described a 400-million-year-old fossil, which is possibly the smallest vertebrate fossil ...

Instead of the V(D)JC composition of immunoglobulin-based B cell receptors (BCRs) and T cell receptors (TCRs) in jawed vertebrates, the variable lymphocyte receptors (VLRs) of jawless vertebrates ...

Named palaeospondylus australis, the Queensland find marks the first time the genus has been found outside Scotland. It's ...

At that time, jawless fish filled the seas, while jawed vertebrates were uncommon. Today, the opposite is true. Lampreys and ...

During early evolution of jawed vertebrates, dermal denticles were transferred from the skins of primitive fish to their mouth. In the millennia that followed, the tiny appendages went on to ...

This leisurely rate of change means these prehistoric fish have the slowest rate of molecular evolution among all jawed vertebrates. The gar (family Lepisosteidae) lineage stretches across ...