Genus: Comodon KRETZOI & KRETZOI, 2000
Etymology: In reference to Como Bluf, Albany County, Wyoming, and Greek, odon, "tooth."
= Phascolotheridium CIFELLI & DYKES, 2001
= Phascolodon SIMPSON, 1925 non STEIN, 1859 (Phascolodon vorticella, Ciliophora, Chilodonellidae)
Etymology: Greek, phaskolos, “pouch, bag”, Greek, odon, “tooth”: Marsupial tooth.

Species: gidleyi (SIMPSON, 1925) KRETZOI & KRETZOI, 2000
= Phascalodon gidleyi SIMPSON, 1925
= Phascolotheridium gidleyi (SIMPSON, 1925) CIFELLI & DYKES, 2001

Holotype: USNM 2703

Locality: Reeds YPM Quarry 9, (Mammal Quarry), T22N, R77W, Sec. 12, Como Bluff, Albany County, Wyoming.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Upper Part, Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material: Fragmentary left mandibular ramus with 2 broken teeth.