Abstract Aim: The aim of this study was to assess the taxonomic aspects and geographical distribution of the periphytic desmids from two different substrates in the littoral zone of an urban ...
A recent find in the Arctic has shed new light on the early stages of jaw and tooth evolution in vertebrates. Researchers from the Royal Belgian Institute of Natural Sciences (RBINS) uncovered a ...
A newly described fossil fish species, Romundina gagnieri, has revealed teeth growing on bony plates that line the roof of its mouth. This extends the acquisition of teeth in jawed fishes to a far ...
A handful of fossil teeth from a completely new species, uncovered from rock samples found in China, suggest jawed fish emerged some time at the end of the Ordovician, or beginning of the Silurian ...
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