Species: variolosa (COPE, 1876) HAY, 1902
Etymology:
= Compsemys variolosus COPE, 1876
= Adocus variolosus (COPE 1876) LAMBE, 1901
Holotype: AMNH 1465
Locality: Fort Union, Montana.
Horizon: Laramie Formation.
Biostratigraphy:
Age: Lancian Age, upper Maastrichtian Stage, uppermost Senonian Subepoch, Upper Upper Gulf Epoch, Late Cretaceous.
Material: Shell.
Referred material:
EBERTH, 1987
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:
Number: Not given:
LAMBE, 1901Locality: 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:
Number: Not given: Fragmentary shell.
LANGSTON
Locality: Sec 22, tp 21, rge. 12, 2. of the 4th mer., southeast of the mouth of Berry Creek on the East side of the 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 8516: Shell.
_____________________________________________________________________________________
Species: ogmius (COPE, 1875)
Etymology:
= Compsemys ogmius COPE, 1875
Holotype:
Locality: From 6 miles west of the first branch of Milk River, near latitude 49”, Alberta Province, Canada.
Horizon: Judith River Formation, Judith River Group.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material: Fragment of a costal plate and a fragment of the plastron.
_____________________________________________________________________________________
Species: imbricarius (COPE, 1876)
Etymology:
= Compsemys imbricarius COPE, 1876
= Adocus (Basilemys) imbricarius (COPE, 1876) OSBORN, 1902
Holotype: AMNH 6102
Locality: Judith River Basin, Montana.
Horizon: Judith River Formation.
Biostratigraphy:
Age: Judithian age, Campanian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material: Portions of costal plates.
Referred material:
AMNH 6101: Left xiphiplastron.
AMNH 6100: Anterior peripheral.
AMNH 6103: Fragments of costals.
_____________________________________________________________________________________
Species: sinuosa RIGGS, 1906
= Basilemys sinuosus RIGGS, 1906
Etymology:
Holotype: FMNH P12008
Locality: Near Powdes, Chalk Buttes, Eastern Custer County, Montana.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: Shell.
Referred material:
BYRANT, 1990
Locality: Eastern Montana.
Horizon: Hell Creek Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 126097: Plastron fragment.
= Basilemys cf. B. sinuosa HUTCHISON & HOLROYD, 2003
Locality: DMNH 612, Denver Basin, Colorado.
Horizon: Laramie Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
DMNH 17678: Peripheral fragments.
Locality: DMNH 2364, Denver Basin, Colorado.
Horizon: Laramie Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
DMNH 42935: Peripheral or plastron fragment.
DMNH 42936: Shell fragment.
Locality: DMNH 1513, Denver Basin, Colorado.
Horizon: Denver Formation, D1 sequence.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
DMNH 44609: Fragment of a peripheral free margin.
Locality: DMNH 1926, Denver Basin, Colorado.
Horizon: Laramie Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
DMNH 33304: Parts of costals and plastral fragments.
WROBLEWSKI, 1998
Locality: Western Hanna Basin, Carbon County, Southcentral Wyoming.
Horizon: Ferris Formation.
Biostratigraphy:
Age: Lancian age, uppermost Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given:
_____________________________________________________________________________________
Species: nobilis HAY, 1908
Etymology:
Holotype: USNM 6555
Locality: Near Ojo Alamo, San Juan Basin, San Juan County, New Mexico.
Horizon: Naashoibito Member, Ojo Alamo Formation.
Biostratigraphy: Alamo Wash Local Fauna.
Age: Late-early or earliest Late Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: Fragmentary carapace and plastron.
Referred material:
HUTCHISON, KNELL, & BRINKMAN, 2013Locality: UCMP V94055, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UMNH VP 6138: Complete plastron.
UMNH VP 194086: Fragmetn plastron with sulci of inguinal scale region.
Locality: UCMP V94049, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 150818: Complete peripheral.
Locality: UCMP V94058, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 194090: A large plastron fragmentincluding the area adjacednt to the inguinal notch.
Locality: UCMP V95083, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 19114: A fragment from the inguinal notch of a very large specimen.
Locality: UCMP V98156, Grand Staircase, Kane County, Utah.
Horizon: Kaiparowits Formation.
Biostratigraphy:
Age: Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UCMP 159500: Nth peripheral an dpygal in articulation.
UCMP 194164: Fragment from posterior edge of shell.
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:
MATEER, 1981
Locality: South branch of Hunter Wash, T24N, R13W, San Juan County, New Mexico.
Horizon: Kirtland Shale, below Naashoibito Member.
Biostratigraphy:
Age: Edmontonian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
PMU.R29a,b: Carapace and plastron.
SULLIVAN, 2006
Locality: Denver's Blowout, SMP locality 281, Ah-Shi-Sle-Pah Wilderness Study Area, San Juan Basin, San Juan County, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-1522: Carapace and plastron fragments.
Locality: Ah-shi-sle-pah Wash (east), SMP Locality 365, Ah-Shi-Sle-Pah Wilderness Study Area, San Juan Basin, San Juan County, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-number not given: Part of the edge of a carapace.
_____________________________________________________________________________________
Species: praeclara HAY, 1910
Etymology:
Holotype:
Locality:
Horizon:
Biostratigraphy:
Age:
Material:
Referred material:
BRINKMAN & NICHOLLIS, 1993
Locality: LSD 9, sec. 14, T1, R5, WMS, 3, Saskatchewan Province, Canada.
Horizon: Frenchman Formation.
Biostratigraphy:
Age: Lancian age, upper Maastrichtian Stage, uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMNH P2029.1: Nearly complete plastron, incomplete carapace including costals and peripherals of left side and posterior peripherals.
_____________________________________________________________________________________
Species: gaffneyi SULLIVAN, JASINSKI, & LUCAS, 2013
Etymology: In honor of Eugene Gaffney.
= Basilemys nobilis GILMORE, 1935
Holotype: USNM 11084
Locality: 2 miles above Hunter's Store (Bisti Post Office), San Juan County, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: Shell and plasteron.
Referred material:
PMU.R29: Nearly complete carapace and plastron.
SMP VP-3368: Incomplete plasteron.
Basilemys cf. B. gaffneyi
Locality: 361, New Mexico.
Horizon: De-na-zin Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-1382: Carapace fragment.
Locality: Unknown, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
PMU.R.29: Nearly complete carapace & plastron.
Locality: 228, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-1510: Plastron fragment.
SMP VP-1852: Limb osteoderm.
SMP VP-1158: Incomplete humerus.
Locality: 281, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-1522, VP-1527, VP-1566, VP-1652, VP-2153, VP-2359: Carapace fragments.
SMP VP-1653: Carapace/plastron fragments.
Locality: 316, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-1106: Incomplete humerus and femur, plus other indeterminte fragments.
Locality: 365, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-1475: Edge of carapce.
SMP VP-1146: Terminal phalanx.
Locality: 400, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-1678: Partial rights humerus.
Locality: 1586, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-27942: Carpace fragments.
Locality: 1746, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-22871: Various shell and bone fragments.
Locality: 1777, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-22947: Limb osteoderm.
Locality: 1791, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-22935: Carapace fragment.
Locality: 3496, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-28952: Peripheral fragments.
Locality: 3510, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-28935: Carapace fragment.
Locality: 4000, New Mexico.
Horizon: Hunter Wash Member?, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-44517: Caparace fragments.
Locality: 4010, New Mexico.
Horizon: Hunter Wash Member, Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-32828: Limb osteoderm.
Locality: 450, New Mexico.
Horizon: Fossil Forest Member?, Fruitland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SMP VP-2797: Epiplastron.
SMP VP-3366: Partial plastron, fragments of femur, pelvic girdle, and carapace fragments.
Locality: 1672, New Mexico.
Horizon: Fossil Forest Member?, Fruitland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-22651: Shell fragment.
Locality: 1674, New Mexico.
Horizon: Fossil Forest Member?, Fruitland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-22742: Shell fragments.
NMMNH P-22744: Varous shell fragments.
Locality: 4015, New Mexico.
Horizon: Fossil Forest Member?, Fruitland Formation.
Biostratigraphy:
Age: Kirtlandian Age, Late Campanian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-27613: Carapace fragments.
NMMNH P-27623: Peripheral fragment.
NMMNH -27630: Numerous fragments.
NMMNH P-27775: Plasteron section and 3 fragments.
_____________________________________________________________________________________
Species: morriensis MALLON & BRINKMAN, 2018
Etymology: In reference to the village of Morrin, Alberta, near where the shell was foumd by Elmer Hiller as a boy in 1924.
Holotype: CMN 57059
Locality: Sec. 4, Twp. 32, R.21, W. of 4, 50' [15.2 m], above the river, lower southwest quadrant of Sce. 4, Morrin, Starland County, Alberta Province, Canada.
Horizon: Horsethief member, Horseshoe Canyon Formation, Edmonton Group.
Biostratigraphy:
Age: Lancian, Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: A mostly complete shell.