Notker Helfenberger

Molecular Systematics and Phylogeny of Old and New World Ratsnakes, Elaphe Auct., and Related Genera (Reptilia, Squamata, Colubridae)

M. Ruf, Urs Utiger, V. Ziswiler, 2002 .

The Oriental Colubrine Genus Coelognathus Fitzinger, 1843 and Classification of Old and New World Racers and Ratsnakes (Reptilia, Squamata, Colubridae, Colubrinae)

Urs Utiger, B. Schätti, Notker Helfenberger, 2013 .

A new subspecies of Zamenis hohenackeri (Strauch, 1873) (Serpentes: Colubridae) based on morphological and molecular data.

W. Böhme, B. Göçmen, S. Hofmann, 2018, Zootaxa.

New Mountain Species of Trimeresurus (Serpentes, Viperidae, Crotalinae) of the «Green» Pit Vipers Group from the Himalayas

N. Orlov, Notker Helfenberger, 2011 .