sentences:  In a 2004 genetics study using cytochrome b DNA, Robin Lawson and colleagues discovered the reticulated python as sister to Australo-Papuan pythons, rather than "Python molurus" and relatives.Raymond Hoser erected the genus for the reticulated python in 2004, naming it after German snake expert Stefan Broghammer, on the basis of dorsal patterns distinct from those of the genus "Python", and a dark mid-dorsal line from the rear to the front of the head, and red or orange (rather than brown) iris colour.In 2008, Lesley Rawlings and colleagues reanalysed Kruge's morphological data and combined it with genetic material, and found the reticulated clade to be an offshoot of the Australo-Papuan lineage as well.