Paleontologists Find Traces of Chitin in Cambrian Trilobite Fossil
The detection of chitin in an Olenellus trilobite from the Carrara Formation (514.5 to 506.5 million years ago)…
Over 500 Million Years Ago, Early Vertebrates Had Four Eyes That Could See 360 Degrees
General morphology of the lateral eyes and pineal complex with their preserved melanosomes in two species of Myllokunmingidae…