
The small troodontid Sinovenator
Digital sketch of a Sinovenator from the Yixian Formation – and what is genuine in a privately held skeleton.

A unique Dakosaurus skeleton
Pencil drawing of the first complete Dakosaurus skeleton – a Late Jurassic marine crocodylomorph, with gut content.

Archaeorhynchus, flying chicks from the Cretaceous
Digital drawing of Archaeorhynchus – and the question since when birds have actually existed.

Tetraceratops, the bizarre, horned pelycosaur
Digital painting of Tetraceratops insignis – and how an overlooked taphonomic detail overturned its classification.

Edaphosaurids, sail-backed herbivores rare in Europe
Ink stipple plate on the European record of Edaphosauridae – including the new genus Remigiomontanus.

Sphenacodontian-type predators
Digital overview of early synapsid skulls – and the question where the Early Permian therapsids are hiding.

Calamite strobili
Pencil rendering after virtual modelling: two types of fossil strobili from the Saxon Döhlen Basin.

Transitional pterosaurs – the links no longer missing
Digital drawings of Makrodactylus and Propterodactylus, the connecting links to the pterodactyloid bauplan.

Anatomy of a seed fern
Semi-schematic illustration of trunk and frond anatomy in Medullosa stellata from the Chemnitz Petrified Forest.

The blown-up guitarfish
Scientific line drawing of Apolithabatis seioma, a Late Jurassic ray whose only known specimen was found during a blasting operation.

Early amniote with skin preservation
Stipple drawing of the ‘climbing dwarf’ Ascendonanus from the Chemnitz Petrified Forest, with preserved skin.

skull of a large Jurassic pterodactyl: Petrodactyle wellnhoferi
Pencil drawing of the skull of Petrodactyle wellnhoferi with its conspicuous head crest.

