Species: pulchra (LAMBE, 1906)
Etymology:
= Baena pulchra LAMBE, 1906

Holotype: NMC 1130

Locality: Cypress Hills, Cypress County, Alberta Province, Canada.

Horizon: Judith River Formation, Judith River Group.

Biostratigraphy:

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

Material: Shell.

Referred material:

ADRIAN, 2022

Locality: Bug Creek Anthills Locality v-1994096, 46°54'59"N, 109°48'21"W, McCone County, Montana.

Horizon: Hell Creek Formation,

Biostratigraphy:

Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

RAM 27109: A near complete anterior plasterlobe, comprised of co-ossofied entoplastron, epiplastra and partial hyoplastra.

 

BRINKMAN & NICHOLLS, 1991

Locality: Dinosaur Provincial Park, Newell County, Alberta Province, Canada.

Horizon: Dinosaur Park Formation, upper Judith River Group.

Biostratigraphy:

Age: Judithian age, Middle Campanian Stage, middle Senonian subepoch, upper Gulf Epoch, Late Cretaceous.

Material:

TMP 88.2.10: Skull and skeleton: Skull and neck complete, plastron complete, carapace crushed and fragmentary, tail presented by nineteen eroded centra.

TMP 80.16.1: Nearly complete skull including braincase and most of right side of skull roof.

TMP 79.24.1: Braincase with both quadrates and partial squamosals.

TMP 79.14.1053: Braincase with frontals and posterior ends of palatines and vomer.

TMP 80.16.1175: Partial braincase

TMP 88.2.10: Partial braincase.

TMP 83.36.216: Base of braincase.

TMP 79.8.535: Complete dentary.

UALVP 191: Braincase.

NMC 1302: Carapace.

ROM 5115: Nearly complete carapace and complete plastron.

USNM 8803: Carapace and nearly complete plastron.

NMC 2281: Complete carapace and plastron.

UALVP 210: Carapace.

UALVP 9: Incomplete carapace.

UALVP 10-21: Complete plasteron and partial carapace.

UALVP 13-21: Incomplete carapace and plastron.

UALVP 15-21: Complete plastron and partial carapace.

UALVP 16-21: Anterior half of carapace.

TMP 67.17.74: Plastron and partial carapace.

TMP 88.36.218: Anterior lobe of plastron.

TMP 88.36.111: Anterior three quarters of carapace and complete plastron.

TMP 81.19.164: Partial plastron.

TMP 85.69.2: Plastron and partial carapace.

TMP 87.48.60: Complete plastron.

TMP 67.20.204: Partial anterior lobe of plasteron.

TMP 84.121.13: Complete plasteron.

TMP 81.28.1: Complete plasteron and partial carapace.

TMP 74.10.1: Carapace and plasteron.

TMP 90.119.6: Carapace and plasteron.

TMP 75.11.46: Partial plasteron and carapace.

 

Locality: Devil's Coulle, 20 km west of Warner, Warner County, Alberta Province, Canada.

Horizon: Judith River Formation, Judith River Group.

Biostratigraphy:

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

Material:

TMP 88.85.1: Anterior end of carapace.

 

Locality: Hill County, Montana.

Horizon: Judith River Formation.

Biostratigraphy:

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

Material:

UCMP 130155: Fragmentary skull, mandible complete, carapace and plastron incomplete.

UCMP 137124: Partial skull including skull roof and left cheek region.

 

GAFFNEY, 1972

Locality: Cypress Hills, Cypress County, Alberta Province, Canada.

Horizon: Judith River Formation, Judith River Group.

Biostratigraphy:

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

Material:

NMC 1196, 1634, 1633: Plastron fragments.

NMC 2235: Partial shell.

Locality: NMC locality number P1401, Red Deer River, Alberta Province, Canada.

Horizon: Judith River Formation, Judith River Group.

Biostratigraphy:

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

Material:

NMC 2183: Shell fragments, including a nuchal bone and the 12 right peripheral bone.

/WIMAN, 1933

Locality: 1/4 mile below, einer Stelle, die als “South Side Alamo wash, 3 miles above Havlies Store, Bezeichnet wird, San Juan County, New Mexico.

Horizon: Fruitland Formation.

Biostratigraphy:

Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Exemplar No. 9: A partial carapace.

 

GILMORE, 1935

Locality: Brimhalls Wash, San Juan Basin, San Juan County, New Mexico.

Horizon: Fruitland Formation.

Biostratigraphy:

Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

USNM 12978: A partial shell.

 

LAMBE, 1914

Locality: Berry Creek, Red Deer River, Newell County, Alberta Province, Canada.

Horizon: Judith River Formation, Judith River Group.

Biostratigraphy:

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

Material:

NMC 2281: Carapace and plastron.

 

LEHMAN, 1981

Locality: San Juan County, New Mexico.

Horizon: Hunter Wash Local Fauna, Hunter Wash Member, Lower Kirtland Formation.

Biostratigraphy:

Age: Kirtlandian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

 

POWELL, 1969

Locality: San Juan Basin, New Mexico.

Horizon: Kirtland Formation.

Biostratigraphy:

Age: Kirtlandian age, Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

Number: Not given:

= Boremys albertensis GILMORE, 1919
Etymology:

Holotype: USNM 8803

Locality: South Branch of Sand Creek, Red Deer River, Alberta Province, Canada.

Horizon: Judith River Formation, Judith River Group.

Biostratigraphy:

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

Material: Anterior three-fourths of the carapace and practically the complete plastron.

_____________________________________________________________________________________

Species: grandis GILMORE, 1919
Etymology: Latin, grandis, "full grown."

Holotype: USNM 12979

Locality: 3 miles northeast of Hunter's Store (Bisti P. O.), SW 1/4, T24N, R13W, San Juan County, New Mexico.

Horizon: Kirtland Formation.

Biostratigraphy:

Age: Kirtlandian age, Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Nearly complete carapace and plastron.

Referred material:

Locality: Brimhalls Wash, San Juan County, New Mexico.

Horizon: Hunter Wash Member, Lower Kirtland Formation.

Biostratigraphy:

Age: Kirtlandian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

USNM 12978: Consisting of the right two-thirds of the carapace, and the plasteron lacking the end of the posterior lobe.

 

HUTCHISON, KNELL, & BRINKMAN, 2013

Locality: UCMP V94009, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UCMP 151773: Back half of carapace visible in ventral view. Assoicated fragmetns include a portion of the front left quarter of the carapace.

 

 

Locality: UCMP V97098, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

UCMP 156997: Front quarter of a carapace.

 

JASINSKI, SULLIVAN, LICHTIG, LUCAS & DODSON, 2018

Locality: SMP localitiy 388a, Alamo Wash (north fork), San Juan Basin, San Juan County, Northwestern New Mexico.

Note: Precise locailty information is available to qualified researchers.

Horizon: De-na-zin MEmber, Kirtland Formation.

Biostratigraphy:

Age: Kirtlandian Locality: Within Grand Staircase-Escalante National Monument, Garfield County, Utah. Horizon: Middle unit, Kaiparowits Formation. Biostratigraphy: Age: Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.

Material:

SMP VP-2014: nearly comlpete se of lower jaw.

 

LIVELY, 2015b

Locality: Within Grand Staircase-Escalante National Monument, Garfield County, Utah.

Horizon: Middle unit, Kaiparowits Formation.

Biostratigraphy:

Age: Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

UCMP V94009/151773: A nearly complete carapce and plasron.

UCMP V97098/156997: The left anterolateral portion of the carapce.

UMNH VP 18627: A left perip