Restudy of a challenging fossil using cross-polarized light imaging and phylogenetic reconstruction identifies Chosha praecursor, a probable early-diverging insect, helping to bridge the longstanding ...

Devonian amber pushes plant resin origin back 65 million years.

Abstract. Tube feet are extensions of the echinoderm water vascular system that play essential roles in feeding and ecology in living crinoids. However, on

μXRF was applied to sections of 140 Ma fossil vertebrate droppings of different morphologies. The results reveal homogeneity of the carbonate-fluorapatite matrix and elemental compositions driven by ...

A new species of pantylid microsaur from the Late Carboniferous of Cape Breton Island, Nova Scotia, has teeth with dental occlusion consistent with herbivory, indicating an early transition to this co...

Il s'appelle Haolong dongi. Ce dinosaure herbivore d’environ 2,5 mètres portait des piquants a été découvert au Nord-Est de la Chine. Une nouvelle étude révèle une structure cutanée inédite chez les d...

Marchetti et al. describe Cabarzichnus, the first definite body impression of stem reptiles, specifically bolosaurians. Cabarzichnus includes the earliest fossil evidence of epidermal scales and a clo...