Oospecies: tetonensis JACKSON & VARRICCHIO, 2010
Etymology: In reference to Teton County, Montana and Latin suffix, -ensis, denoting a place or country.

Holotype: ES 145

Locality: First Find Micorsite (OTM 99-19), Sevenmile Hill outcrops, Teton County, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material: Eggshell fragment.

Referred material:

ES 110, 150, 165, 173, 174.

 

Locality: Jawbone Knob, Sevenmile Hill outcrops, Teton County, Montana.

Horizon: Two Medicine Formation.

Biostratigraphy:

Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.

Material:

ES 160: Eggshell.