The body plan of the 407-million-year-old plant fossil Asteroxylon mackiei comprised three developmentally distinct systems of axes.

Sixteen new mermithid nematodes associated with their insect hosts are discovered from mid-Cretaceous Kachin amber and they are more abundant in non-holometabolous insect hosts, revealing what appears to be a vanished history of nematodes parasitism.

X-ray imaging reveals well-preserved internal characters in mineralized arthropods from the Paleogene, urging the reexamination of previously neglected fossil collections.