Table 2. Squamate faunas of select Late Campanian geologic units in the Western Interior of North America.
Geologic units arranged in descending order of geographic location, from North to South.
| Formation | Identified Scincomorpha | Identified Anguimorpha | Identified Serpentes |
|---|---|---|---|
| Wapiti (Nydam, Caldwell & Fanti, 2010)—Central Alberta | Scincomorpha | None reported | None reported |
| Borioteiioidea | |||
| Chamopsiidae | |||
| - Socognathus unicuspis | |||
| Scincomorpha indet. | |||
| - Kleskunsaurus grandeprairiensis | |||
| Dinosaur Park (Listed as Oldman Formation in (Gao & Fox, 1996)—Southern Alberta | Scincomorpha | Anguimorpha | None reported |
| Borioteiioidea | Xenosauridae | ||
| Chamopsiidae | -?Exostinus sp. | ||
| - Chamops sp. | Anguidae | ||
| -Leptochamops | -Odaxosaurus priscus | ||
| -Socognathus | Platynota | ||
| Scincidae | -Parasaniwa n. sp. | ||
| -Orthrioscincus | -c.f. P. wyomingensis | ||
| ?Cordylidae | Helodermatidae | ||
| Incertae sedis | -Labriodectes | ||
| -Glyptogenys | Varanidae | ||
| -Sphenosiagon | -Palaeosaniwa | ||
| -Gerontoseps | |||
| Kaiparowits (Nydam, Eaton & Sankey, 2007; Nydam & Voci, 2007; Nydam, 2013a)—Southern Utah | Scincomorpha | Anguimorpha | Serpentes |
| Borioteiioidea | Anguidae | Alethenophidia | |
| -Peneteius saueri | -Odaxosaurus roosevelti | -Coniophis sp. | |
| Chamopsiidae | -Odaxosaurus priscus | ||
| -Meniscognathus molybrochoros | |||
| -Chamops sp. c.f. C. segnis | Xenosauridae | ||
| -Leptochamops | -?Exostinus | ||
| -Tripennaculus eatoni | |||
| Contogeniidae | Platynota | ||
| -Palaeoscincosaurus pharkidodon | -Parasaniwa cynochoros | ||
| c.f. Scincoidea | Kaiparowits Morphotype H-J | ||
| Paramacellodid/Cordylid Grade | |||
| Kaiparowits Morphotype A-G | |||
| Fruitland/Kirtland(Updated with current taxonomic IDs)—Northwest New Mexico | Scincomorpha | Anguimorpha | Serpentes |
| Borioteiioidea | Anguidae. | -Serpentes indet. | |
| -Chamopsiidae indet. | -Odaxosaurus sp. | ||
| -Anguidae indet. | |||
| Scincomorpha indet. | |||
| -?Scincidae | Platynota | ||
| -Platynota indet. | |||
| Aguja (Nydam, Rowe & Cifelli, 2013)—Southwestern Texas | Scincomorpha | Anguimorpha | Serpentes |
| cf. Xantusiidae | Anguidae | -Serpentes indet. | |
| -Catactegenys solaster | -Odaxosaurus piger | ||
| -Anguidae indet. | |||
| Scincomorpha indet. | -aff. Xenosauridae | ||
| -Apsgnathus triptodon | |||
| -Unnamed scincid-grade taxon | Platynota | ||
| -aff. Scincomorpha | -cf. Parasaniwa wyomingensis | ||
| Cerro del Pueblo (Aguillon-Martinez, 2010)—Coahuila, Mexico | Scincomorpha | Anguimorpha | Serpentes |
| Borioteiioidea | Anguidae | Alethenophidia | |
| Chamopsiidae | -Odaxosaurus new sp. | - Coniophis sp. | |
| -Peneteius sp. | Platynota | ||
| -cf. Parasaniwa wyomingensis | |||
| Helodermatidae | |||
| -Paraderma cf. P. bogerti | |||
| Varanidae | |||
| -Palaeosaniwa c.f. P. canadensis |