Genus: Denazinemys LUCAS & SULLIVAN, 2006
Etymology: In reference to the De-na-zin Arroyo, San Juan County, New Mexico; near the type locality, and Greek, emys, "freshwater turtle."

Species: nodosa (GILMORE, 1916) LUCAS & SULLIVAN, 2006
= Baena nodosa GILMORE, 1916
Etymology:

Holotype: USNM 8345

Locality: 2 miles (3.2 km) northwest of Ojo Alamo Store, SE 1/4, sec. 2, T24N, R12W, San Juan County, New Mexico.

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

Biostratigraphy:

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

Material: Nearly complete carapace and plastron.

Referred material:

DALMA & LUCAS, 2016

Locality: Unknown, San Juan Basin, New Mexico.

Horizon: Probably De-Na-zin Member, Kirkland Formation.

Biostratigraphy:

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

Material:

ACM 7977: nearly complete carapace and plastron.

 

GILMORE, 1935

Locality: 3 miles northeast of Hunter's Store, San Juan County, New Mexico.

Horizon: Kirtland Formation.

Biostratigraphy:

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

Material:

USNM 12819: Carapace.

 


Locality: Coal Creek, 3 miles southeast of Tsaya, San Juan County, New Mexico.

Horizon: Fruitland Formation.

Biostratigraphy:

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

Material:

USNM 11327: Crushed shell.

 

GILMORE, 1919

Locality: About 2 miles south of west of Kimbetoh, in sec. 3, T 22N, R10W, San Juan County, New Mexico.

Horizon: Base of the Kirtland Formation.

Biostratigraphy:

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

Material:

USNM 8603: Portions of the median part of the carapace.

 


Locality: About 5 miles south of Kimbetoh, in Sec. 26, T 22N, R 10W, San Juan County, New Mexico.

Horizon: Base of the Fruitland Formation.

Biostratigraphy:

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

Material:

USNM 8622: Fragmentary shell.

 


Locality: Ojo Alamo, San Juan County, New Mexico.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

Number: Not given: A few fragments.

 

Locality: 3 3/4 miles south of west of Kimbetoh, in sec. 4, T 22N, R 10W, San Juan County, New Mexico.

Horizon: Kirtland Formation.

Biostratigraphy:

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

Material:

Number: Not given: Fragments of carapace.

 


HUTCHISON, KNELL, & BRINKMAN, 2013

Locality: UCMP V94039, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

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

Material:

UCMP 194342: Pieces of a once complete shell inclduign the anteriro end of the carapace and anterior lobe of plastron.

 

Locality: UCMP V93070, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

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

Material:

UCMP 194207: Front left quater of carapasce including costals 103, half of the nuchal, and peripherals 1 to 4.

 

Locality: UCMP V93084, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

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

Material:

UCMP 194248: Shell fragment of a juvenile including first and second costal in articulation.

 

Locality: UCMP V93096, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

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

Material:

UCMP 19271: Partial carapace.

 

Locality: UCMP V94010, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

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

Material:

UCMP 194332: Shell fragmetns of eroded individual.

 

Locality: UCMP V94028, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

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

Material:

UCMP 194335: Fragments of an articulated carapace, including anter and psoterior lobe of a plastron and anterior right quarter of carapace.

 

Locality: UCMP V95087, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

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

Material:

UMNH VP 20447: Complete carapace visible in dorsal view.

UMNH VP 2046: Nearly complete shell visible in dorsal an dventral view, carapace missing posterior end, plastron complete.

UMNH VP 18628: Anterolateral peripherals.

UMNH VP 18872: partial shell visible in dorsal and ventral views.

BYU 1441: Skeleton including skull, fore limb, and nearly complete shell, carapce missing posterolateal edge, plastron complete.

UCMP V159703: FRong part of shell showing sulci of perpleural but supramarginals absent, Nuchal present and cervical scale preserved.

 

 

Locality: UCMP V95083, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

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

Material:

UCMP V1914125: A nearly compleet first coastal and a partial nuchal including the nuchal scale.

 

 

Locality: UCMP V99441, Grand Staircase, Kane County, Utah.

Horizon: Kaiparowits Formation.

Biostratigraphy:

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

Material:

UCMP 159399: Carapce preserved as a largerly steinkern with some adhering bone. The anterior and posterior ends of crpace are missing, and the plastron includes complete posterior lobe.

 

 

HUTCHINSON & KUES, 1985

Locality: BUNM 77-25, San Juan Basin, New Mexico.

Horizon: Fruitland Formation.

Biostratigraphy:

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

Material:

Number: Not given: Postcranial fragments.

 

LANGSTON, STANDHARDT & STEVENS, 1989

Locality: Big Bend National Park, Brewster County, Texas.

Horizon: Lower Aguja Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 

LEHMAN, 1981

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

Horizon: Hunter Wash Local Fauna, Kirtland Formation.

Biostratigraphy:

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

Material:

Number: Not given:

 

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:

BYU 19123: A partial skeleton including a nearly complte cranium, shell and partial left forelimb.

DMNH 64550: A partial skeleton with a nearly complete cranium and disarticulated shell.

DMNH 64594: An isoalted nearly complte cranium.

DMNH 64634: A partial shell.

UCMP V93096/194217: Partial carapace.

UCMP V03-84/194248: Costal fragments.

UCMP V93070/194207: Left anterolateral quarter of a carapace.

UCMP V95087/159703: Partial anterior carapce.

UCMP V99441/159399: Partial carapce.

UCMP V94028/194335: Right anterolateral carapace fragment and anterior plastron.

UCMP V94039/194342: A partial anterior carapace and plastron.

UMNH VP 9545: Carpace fragments.

UMNH VP 20447: A nearly complte, partially crushed shell.

UMNH VP 20446: A shell with a partial carapace and comlte plastron.

UMNH VP 16872: A partial shell.

 

 

LUCAS & SULLIVAN, 2006

Locality: NMMNH Locality 5189, New Mexico.

Horizon: Allison Member, Menefee Formation.

Biostratigraphy:

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

Material:

NMMNH P-42152: Shell fragments.

 

Locality: NMMNH Locality 1674, Northwestern 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-25075: Complete shell.

 

Locality: NMMNH L. 3117, Northwestern 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-25087: Complete shell.

 

Locality: NMMNH L. 4015, Northwestern 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-27732, 27830: Shell fragments.

NMMNH P-30817: Complete shell.

 

Locality: NMMNH L. 2387, Northwestern 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-32890: Shell fragments.

 

Locality: NMMNH L. 4010, Northwestern 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. 32890: Shell fragments.

 

Locality: SMP Locality 281, Northwestern New Mexico.

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

Biostratigraphy:

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

Material:

SMP VP-1480: Carapace fragments.

 

Locality: SMP Locality 319, Northwestern 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-830: Plastron with fragments.

 

Locality: SMP Locality 319a, Northwestern New Mexico.

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

Biostratigraphy:

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

Material:

SMP VP-1323: Carapace fragments.

 

Locality: SMP Locality 350, Northwestern New Mexico.

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

Biostratigraphy:

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

Material:

SMP VP-1284: ?Carapace fragments.

SMP VP-1287: Plastron and carapace fragments.

 

Locality: SMP Locality 382, Northwestern New Mexico.

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

Biostratigraphy:

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

Material:

SMP VP-1869: Nearly complete carapace and plastron.

 

Locality: Eagle's Nest Flat, SMP locality 398, Ah-Shi-Sle-Pah Wilderness Study Area, San Juan Basin, 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-1610: Carapace and plastron fragments.

SMP VP-1665: Medial part of carapace.

SMP VP-1668: Plastron with carapace fragments.

 

Locality: SMP Locality 419, Bisti/De-na-zin Wildnerness, San Juan County, Northwestern New Mexico.

Horizon: Hunter Wash Member (Farmington Member?), Lower Kirtland Formation.

Biostratigraphy:

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

Material:

SMP VP-1986: Incomplete plastron and carapce, and various fragments.

 

 

Locality: NMMNH L. 1755, Northwestern New Mexico.

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

Biostratigraphy:

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

Material:

NMMNH P-22881: Shell fragments.

 

Locality: NMMNH L. 3226, Northwestern New Mexico.

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

Biostratigraphy:

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

Material:

NMMNH P-26254, P-26255: Shell fragments.

 

Locality: NMMNH L. 3506, Northwestern New Mexico.

Horizon: Hunter Wash Member, Kirtland Formation.

Biostratigraphy:

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

Material:

NMMNH P-41299: Complete shell.

NMMNH P-41229: Nearly complete carapce and plastron.

 

Locality: NMMNH L. 3530, Northwestern New Mexico.

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

Biostratigraphy:

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

Material:

NMMNH P-27270: Shell fragments.

 

Locality: NMMNH L. 3531, Northwestern New Mexico.

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

Biostratigraphy:

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

Material:

NMMNH P-27439: Incomplete carapace.

 

Locality: NMMNH L. 3619, Northwestern New Mexico.

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

Biostratigraphy:

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

Material:

NMMNH P-26298: Shell fragments.

 

Locality: NMMNH L. 4275, Northwestern New Mexico.

Horizon: Hunter Wash Member, Kirtland Formation.

Biostratigraphy:

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

Material:

NMMNH P-33026: Shell fragments.

NMMNH P-33028: Shell fragments.

 

 

Locality: NMMNH L. 4634, Northwestern New Mexico.

Horizon: Naashoibito Member, Kirtland Formation.

Biostratigraphy:

Age: Late Kirtlandian age, Uppermost Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material:

NMMNH P-32788: Shell fragments.

 

Locality: NMMNH L. 5163, Northwestern New Mexico.

Horizon: Hunter Wash Member, Kirtland Formation.

Biostratigraphy:

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

Material:

NMMNH P-37763: Shell fragments.

 

Locality: NMMNH L. 5361, Northwestern New Mexico.

Horizon: Member?, Kirtland Formation.

Biostratigraphy:

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

Material:

NMMNH P-39633: Shell fragments.

 

MATEER, 1981

Locality: Head of Ah-shi-sle-pah Wash, T 22N, R10W, San Juan County, New Mexico.

Horizon: Kirtland Formation.

Biostratigraphy:

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

Material:

PMU.R11, R13, R18, R19: Carapaces.

 

Locality: De-na-zin Wash, T24N, R11W, San Juan County, New Mexico.

Horizon: Kirtland Formation.

Biostratigraphy:

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

Material:

PMU.R12: Carapace.

 

Locality: South Branch of Hunter Wash, T24N, R13W, San Juan County, New Mexico.

Horizon: Kirtland Formation.

Biostratigraphy:

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

Material:

PMU.R14, R16, R17, R21: Carapace.

POWELL, 1968

Locality: New Mexico.

Horizon: Naashoibito Member, Latest Kirkland Formation (Alamo Wash Formation).

Biostratigraphy:

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

Number: Not given:

 

= ?Denazinemys nodosa SULLIVAN, 2006

Locality: Bob's Microsite, SMP locality 409, Ah-Shi-Sle-Pah Wilderness Study Area, San Juan Basin, San Juan County, 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-1704: Incomplete and weatherd carapace and plastron.

 

SULLIVAN, JASINSKI, & LUCAS, 2013

Locality: ?, New Mexico.

Horizon: Unknown.

Biostratigraphy:

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

Material:

PMU.R unnumbered (Exemplar 5): Incomplete carapace and plastron.

PMU.R 15 (Exemplar 7): Incomplete carapace.

PMU.R 20 (Exemplar 13): Incomplete carapace and plastron.

PMU.R unnumbered (Exemplar 14): Shell fragments.

 

Locality: ?, New Mexico.

Horizon: Hunter Wash Member, Kirtland Formation.

Biostratigraphy:

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

Material:

FMNH PR-2250: Nearly complete carapace and plastron.

PMU.R 11 (Exemplar 1): Carapace, plastron, pelvis, and other post crania.

PMU.R 13 (Exemplar 3): Incompolete carapace and plastron.

PMU.R 14 (Exemplar 4): Incomplete carapce and plastron.

PMU.R 17 (Exemplar 10): Incomplete carapace and nearly conplte plastron.

PMU.R18 (Examplar 11): Nearly complete plastron.

PMU.R19 (Exemplar 12): Incomplete plastron.

PMU.R unnumbered (Exemplar 15): Carapace and plastron fragments.

PMU.R unnumbered (Exemplar 16): Carapace fragments.

PMU.R unnumbered (Exemplar 17): Shell fragments.

USNM 11323: Carapace and 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-1469: Anterior part of plasteron (intergular, gular, & humeral).

SMP VP-1506: Right plasteron fragment (intergular, gular, & humeral).

SMP VP-1948: Four carapace fragments.

cf. Denazinemys nodsa

SMP VP-1610: Numerous carapace and plastron.

 

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-1524: Carapace fragment.

 

Locality: 349, 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-2828: Incomplete plastron.

 

Locality: 372, New Mexico.

Horizon: Hunter Wash Member, Kirtland Formation.

Biostratigraphy:

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

Material:

cf. Desnazinemys nodosa

SMP VP-3273: Carapace fragment.

 

Locality: 398, 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-3255: Plastron fragment, including part of xiphiplastron and bridge.

 

 

 

Locality: 373, 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-1348: Carapace fragments.

 

Locality: 452, 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-2529: Crapace fragment.

 

 

Locality: 1640, 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-22636: Carapace fragment.

 

Locality: 6205, New Mexico.

Horizon: Hunter Wash Member, Kirtland Formation.

Biostratigraphy:

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

Material:

NMNH P-49945 (previously UA 5573): 10

 

Locality: ?, New Mexico.

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

Biostratigraphy:

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

Material:

PMU.R 12 (Exemplar 2): Nearly complete carapace and plastron.

PMU.R unnumbered (Exemplar 6): Incomplete carapace and plastron.

USNM 12834: Incomplete carapace and plastron.

 

Locality: 360a, 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-1290: Carapace fragments.

 

Locality: 388a, 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-1403: Carapace and associated fagments.

 

Locality: 376a, 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 V-2072: Nearly complete carapace and platron.

 

Locality: 389a, 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-2495: Carapace fragment.

 

 

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:

cf. Denazinemys nodsa

SMP VP-2853: Carapace fragment.

 

Locality: 1606, 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-22643: Carapace fragment.

 

Locality: 1882, 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-28323: Numerous carapce fragments.

 

Locality: 2387, 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-32867: 5 carapace fragments.

 

SULLIVAN, JASINSKI, & LUCAS, 2013

Locality: 1602, New Mexico.

Horizon: Farmington Member, Kirtland Formation.

Biostratigraphy:

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

Material:

NMMNH P-22564: 2 carapce fragment.

 

Locality: 1654, 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-22716: 2 shell fragments.

 

Locality: 1696, New Mexico.

Horizon: Fossil Forest Member, Kirtland Formation.

Biostratigraphy:

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

Material:

NMMNH P-22790: Numerous shell fragments.

 

Locality: 4275, 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-39633: Numerous carapace and plastron fragments.

 

Locality: 6558, 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-49858 (Previously UA 14394): Shell fragment.

 

Locality: 6539, 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-49896 (Previously UA 8826): Carapace fragment.

 

Locality: NMMNH L. 3530, Northwestern New Mexico.

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

Biostratigraphy:

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

Material:

NMMNH P-27278: 2 carapace fragments.

 


SULLIVAN & WILLAMSON, 1997

Locality: Ojo Alamo, San Juan Basin, San Juan Count, New Mexico.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

No. 5, Uppasla: Carapace and plasteron.

 


Locality: Barrel Springs, 2.5 miles south of trading post, San Juan County, New Mexico.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

No. 6, Uppasla: Carapace and plasteron.

 

SULLIVAN & WILLAMSON, 1997

Locality: New Mexico.

Horizon:

Biostratigraphy:

Age: Late Cretaceous.

Material:

University of Uppsala No. 17:

University of Uppsala No. 43: 2/3 of carapace and plasteron.

 

WIMAN, 1933

Locality: Head S. Branch Meyers Creek, 3 miles west Kimbto Trading Post, San Juan County, New Mexico.

Horizon: Naashoibito Member, Latest Kirkland Formation.

Biostratigraphy:

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

Material:

University of Uppsala, Exemplar No. 1: An almost complete shell.

 

Locality: Below second conglomerate, 1 mile above Barrel Springs, 1 1/2 miles S. Trading Post, Barrel Springs Wash 3 miles NE old Trading Post, San Juan County, New Mexico.

Horizon: Kirtland Formation.

Biostratigraphy:

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

Material:

University of Uppsala, Exemplar No. 2: A almost complete shell.

 

Locality: “Von einem Lager am sudlich Ast des Meyers Cr. etwa 4 miles oberhalb der Cattle Ranch aus gesmamelt”, San Juan County, New Mexico.

Horizon: Kirtland Formation.

Biostratigraphy:

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

Material:

University of Uppsala, Exemplar No. 3, 11, 12: Partial shells.

 


Locality: South Side Alamo Wash, 3 miles above Havliers Store, 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:

University of Uppsala, Exemplar No. 4: Partial shell.

 

Locality: “Barrel Spring”, 1 1/2 miles south of Trading Post, San Juan Basin, San Juan County, New Mexico.

Horizon: Kirtland Formation.

Biostratigraphy:

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

Material:

University of Uppsala, Exemplar 6, 8: Partial shells.

 

Locality: 1/4 mile below eineer Stelle, die asl “South side Alamo Wash, 3 miles avove havlies Store” bezeichnet wierd”, 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:

University of Uppsala, Exemplar 10, 15, 16: Partial shells.

 

Locality: Not given.

Horizon:

Biostratigraphy:

Age:

Material:

University of Uppsala, Examplar 5, 7, 13, 14: Partial shells.

 

17 specimens, 8 from the Kirtland Formation, 5 from the Fruitland Formation, and 4 are without designation as to horizon, New Mexico.