On a pterosaur jaw from the Upper Jurassic of Tendaguru (Tanzania) - 1999
Taxonomy, evolutionary history and distribution of the middle to late Famennian Wocklumeriina (Ammonoidea, Clymeniida) - 2000
First record of Ephemeropsis, Coptoclava, Coleoptera inc. sed. and Turfanograpta from Lower Cretaceous paper-shales of the western-most site of Mongolia - 2000
A new teleost (Ostichthyes, Actinopterygii) from the Early Jurassic Posidonia shale of Northern Germany - 2001
Alpinites and other Posttornoceratidae (Goniatitida, Famennian) - 2002
Leptolepis, Paraleptolepis (Teleosti) and a New Fish Name - 2003
Teeth of Polyacrodus Jaekel, 1889 from the Triassic of the Germanic Basin - 2003
Dentitions of Barbclabornia (new genus, Chondrichthyes: Xenacanthiformes) from the Upper Palaeozoic of North America - 2003