Genus: Kollikodon FLANNERY, ARCHER, RICH & JONES, 1995
Etymology: Greek, kollix, "bun or roll" and Greek, odon, "tooth." The allusion is to the shape of the molars which resemble hot cross buns.

Species: ritchiei FLANNERY, ARCHER, RICH & JONES, 1995
Etymology: The species names is in honor of Alex Rictchie, whose persistence in persuading the opal miners of lightning Ridge to send fossils to a museum resulted in the recovery of the holotype.

Holotype: Australian Museum Palaeontological Collection F96602

Locality: 29°28’12”+-12”, 147°45’59”+-2, Claim 30226, Moonshine area of the Coocoran opal field, Lightning Ridge, New South Wales State, Australia.

Horizon: Wallangulla Sandstone Member, Griman Creek Formation.

Biostratigraphy:

Age: Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: A right dentary fragment with m1-3 and alveoli for p1, 2 and m4.

Referred material:

PIAN, ARCHER, HAND, BECK, & CODY, 2016

Locality: Unnamed mine on the Coocoran opal field, Lightning Ridge, New South Wales State, Australia.

Horizon: Wallangulla Sandstone Member, Griman Creek Formation.

Biostratigraphy:

Age: Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material:

AM F140201: Opalised skull fragment preserving part of the maxilla, which retains the posterior premolar (possibly P4) and M1-4, and possibly also part of the palatine.