Judging from injuries evident in allosaurus fossils, a paleontologist has deduced that stegosaurus knew how to use it spikes to deliver devastating crotch shots to the otherwise dominating allosaurs. Ouch!
In a comment on the last post, Mark Robinson asked an important question: You linked to the preprint of your The neck of Barosaurus was not only longer but also wider than those of Diplodocus and other diplodocines submission – does this mean that it has not yet been formally published? As so often in these […]
Amazing!Motani, R., Jiang, D.-Y., Chen, G.-B., Tintori, A., Rieppel, O., Ji, C., and J.-D. Huang. 2014. A basal ichthyosauriform with a short snout from the Lower Triassic of China. Nature (article preview). doi:10.1038/nature13866Abstract - The incompleteness of the fossil record obscures the origin of many of the more derived clades of vertebrates. One such group is the Ichthyopterygia, a clade of obligatory marine reptiles that appeared in the Early Triassic epoch, without any