Trilobite upper limb
The trilobite upper limb branch is a well-developed gill
The trilobite upper limb branch is a well-developed gill
Testing for a dietary shift in the Early Cretaceous ceratopsian dinosaur Psittacosaurus lujiatunensis
Articulated trilobite ontogeny: suggestions for a methodological standard
Microvertebrates from the Rhaetian basal bone bed of Saltford, near Bath, SW England
Distraction sinking and fossilized coleoid predatory behaviour from the German Early Jurassic