BURGE, 1997 (pers. comm).
Locality: Utah.
Horizon: North Horn Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: Fragmentary skeleton.
CARTER, MONTGOMERY & BIASATTI, 1999
Locality: Big Bend National Park, Brewster County, Texas.
Horizon:
Biostratigraphy:
Age: Late Cretaceous.
Material:
Number: Not given: Centra, chevrons, claw core, coracoids, femora, fibula, humerus, ilia, ischia, metatarsals, pubes, radius, ribs, scapulas, sternal plates, a tibia, an ulna and numerous vertebrae of a minimum of 6 individuals, including 4 juveniles. There are 3 bone baring layers.
COULSON, & LEHMAN, 1999
Locality: Near Grapevine Hills, Big Bend National Park, Brewster County, Texas.
Horizon: Javelina Formation.
Biostratigraphy:
Age: Latest Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf
Epoch, Latest Cretaceous.
Note: From just below the K/T boundary.
Material:
TMM 43621-1: A partial skeleton of a juvenile.
DALMA & LUCAS, 2016
Locality: Unknown, San Juan Basin, New Mexico.
Horizon: Naashoibito Member, Ojo Alamo Formation.
Biostratigraphy:
Age: Late-early or earliest Late Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
SSM 5428: Nearly complete left humerus.
D'EMIC, WILSON & WILLIAMSON, 2011
Locality: Ferron Mountain, Emery County, Utah.
Horizon: North Horn Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
BYU 11392, 11393: Anterior caudal vertebrae.
FIORILLO, 1998
Locality: Big Bend National Park, Brewster County, Texas.
Horizon: Javelina Formation.
Biostratigraphy:
Age: Latest Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Latest Cretaceous.
Material:
Numbers: Not given: 3 individuals 2 adults and 1 juvenile.
FOWLER & SULLIVAN, 2011
Locality: SMP Locality 884b, De-na-zin wash, 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:
SMP VP-1625: Distal portion of left femur.
Locality: SMP Locality 389b, Willow Wash, 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:
SMP VP-1850: Posterior cervical vertebra.
Locality: SMP loc. 410b, Willow Wash, 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:
SMP VP-2104: Anterior caudal vertebra.
GILMORE, 1946
Locality: Southwest toe of North Horn Mountain, Manti-La Sal National Forest, Emery County, Utah.
Horizon: Lower North Horn Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
USNM 15660: 30 articulated caudal vertebrae, beginning with the first, 25 chevrons, 2 ischia, right somewhat incomplete, left scapula and coracoid, right humerus, ulna, radius, and metacarpus articulated, 2 sternal plates and parts of 3 ribs. Although not collected a sacrum with 5 vertebrae.
CRANNO & D'EMIC, 2015: Osteoderms, fragments of osteoderms.
Locality: Lizard locality (Polyglyphanodon), S1/2, sec 17, T19S, R6E, South Dragon Valley, Emery County, Utah.Horizon: North Horn Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: 2 caudal centra.
Locality: West side of South Dragon Valley, NE 1/4, sec. 12, T19S, R5E, Emery County, Utah.Horizon: North Horn Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Number: Not given: 2 very large thoracic ribs.
JASINSKI, SULLIVAN & LUCAS, 2011
Locality: San Juan Basin, 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:
NMMNH P-22544 (= UNM B-517, 518): An incomplete right tibia with distal and proximal ends.
NMNH P-25072 (= UNM B-0709): Nearly complete left scapula.
Note: Originally misidentified as a hypsilophodont by Lehman, 1981).
NMMNH P-49967: Partial right crus and pes consisting of the shafts of a tibia and fibula, 5 metatarsals, 2 proxima phalanges and 3 unguals.
SMP VP-1336: Posterior part of the left ilum, with an associated incomlpete rib and rib fragments.
SMP VP-1494: 2 incomlpete caudal vertebrae.
SMP VP-1539: Scapula blade.
SMP VP-1541: ?Skull fragments.
SMP VP-1581: Distal caudal vertebra.
SMP VP-1582: Distal caudal vertebra.
SMP VP-1625: Distal end of left femur with associated boen fragments.
SMP VP-1626: Nearly complete right fibula.
SMP VP-1641: Fragments from dorsal vertebra.
SMP VP-1715: A coracoid, part of a ?scapual, neurla spine, incomlpete ?vertebra, and associated fragments.
SMP VP-1718: Femur fragment with muscle scar present.
SMP VP-1850: Posterior cervical vertebra.
SMP VP-1864: Incomplete dorsal vertebra.
SMP VP-1866: Incomplete dorsla vertebra.
SMP VP-1876: Nearly complete right fibula.
SMP VP-2043: Proximal end of tibia.
SMP VP-2065: Incomplete right fibula with only mid-section present.
SMP VP-2097: Incomplete left ischium and right femur.
SMP VP-2104: Incomplete anterior caudal vertebra and bone fragments.
SMP VP-2175: Distal end of rigth radius.
SMP VP-2230: Nearly complete caudal with neural spine.
SMP VP-2232: Incomplete thoracic ribs and rib fragments.
SMP VP-2233: Anterior part of right ilium.
SMP VP-2507: Nearly complete tooth.
SMP VP-2696: ?Chevron and indeterminate bone fragments.
SMP VP-3323: Incomplete left pubis.
LEHMAN, 1981
Locality: NMMNH Locality 2349, Ojo Alamo, San Juan County, New Mexico.
Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMMH P-25072 (old UNM B-709): Fragmentary ilium (Kirkland pers comm.)
Note: Was listed as a right Scapula of a hypsilophodontid.
Note: LUCAS & SULLIVAN, 2000 do not believe this to be a sauropod.
LEHMAN, 1985
Locality: UNM locality 77-505, NE 1/4, NW 1/4, Sec. 3, T24N, R12W, San Juan Basin, New Mexico.
Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UNM B-22: Distal caudal centrum.
Locality: 3, San Juan Basin, New Mexico.Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Uncollected: Femur.
Locality: 6, San Juan Basin, New Mexico.
Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Uncollected: Femur.
Locality: UNM Locality 77-675, NE 1/4, NW 1/4, Sec. 18, N24N, R11W, San Juan Basin, New Mexico.Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UNM B-656, NHMN P-29724 (old UNM FKK-003A-A-G): Teeth.
Locality: UNM Locality 77-748, SW 1/4, SW 1/4, Sec. 8, T22N, R10W, San Juan Basin, New Mexico.Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
UNM B-709: Left scapula of a juvenile.
Locality: 14, San Juan Basin, New Mexico.Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
Uncollected: Ilium and ribs.
LAWSON, 1972
Locality: 29°27’40”N, 103°9’32”W, Big Bend National, Brewster County, Texas.
Horizon: Lower Javelina (Tornillo) Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
TMM 41398-1: Cervical centrum, dorsal neural spine.
Locality: 29°17’34”N, 103°31’34”W, Big Bend National, Brewster County, Texas.Horizon: Lower Javelina (Tornillo) Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
TMM 41450-1: First caudal vertebrae.
Locality: 29°9’20”N, 103°9’30”W, Big Bend National, Brewster County, Texas.
Horizon: Lower Javelina (Tornillo) Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
TTU 546: Proximal caudal vertebra.
Locality: 20°27’40”N, 103°9’32”W, Big Bend National, Brewster County, Texas.Horizon: Lower Javelina (Tornillo) Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
TMM 40699: Middle caudal vertebra.
Locality: 29°27’40”N, 103°9’30”W, Big Bend National, Brewster County, Texas.Horizon: Lower Javelina (Tornillo) Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
TMM 41061: Right rib.
TMM 41450-2: Right ulna.
TMM 41063: Left pubis.
TMM 41060: Right ilium.
Locality: 29°17’34”N, 103°31’33”W, Big Bend National, Brewster County, Texas.
Horizon: Lower Javelina (Tornillo) Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
TMM 41398-2: Proximal end of the left humerus.
LEHMAN & COULSON, 2002
Locality: Big Bend National Park, Brewster County, Texas.
Horizon: Black Peaks Formation.
Biostratigraphy:
Age: Uppermost Maastricthian (near the Cretaceous/Tertiary boundary), Uppermost Senonian Stage, Uppermost Gulf Epoch, Latest Cretaceous.
Material:
TMM 43621-1: Fragmentary skeleton of a juvenile specimen.
LOZINSKY, HUNT & WOLBERG, 1984
Locality: Elephant Butte area, Sierra County, New Mexico.
Horizon: Hall Lake Formation, McRae Group.
Biostratigraphy:
Age: Latest Campanian-Maastrichtian Stage, Senonian subepoch, Upper Gulf epoch, Late Cretaceous.
Material:
TKM007: Incomplete right humerus.
TKM009: Left femur.
LUCAS & SULLIVAN, 2000
Locality: NMMNH 3332, San Juan Basin, New Mexico.
Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-25077 (= UNM FKK-033): Right femur fragment.
Locality: NMMNH 929, San Juan Basin, New Mexico.Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-27291: Anterior caudal vertebra.
Locality: NMMNH 2191, San Juan Basin, New Mexico.Horizon: Unknown.
Biostratigraphy:
Age: Late Cretceous.
Material:
NMMNH P-29031 (old UMN FKK-522): Incomplete distal caudal vertebra.
Note: Now lost (Poropat, 2013).
Locality: NMMNH 4225, San Juan Basin, New Mexico.
Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-29725 (= UNM FKK-029): 1 tooth fragment, from type locality.
NMMNH P-29726: 4 teeth fragments.
Locality: NMMNH 4226, San Juan Basin, New Mexico.
Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
NMMNH P-29724 (= UNM FK-003): 7 tooth fragments.
NMMNH P-29727 (= UNM FKK-034): Tooth, from just north of type locality.
NMMNH P-29728 (= UNM B-656): 2 tooth fragments.
Locality: NMMNH 319b, San Juan Basin, New Mexico.Horizon: De-na-zin Member, Lower Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Upper Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
SMP VP-1138: Incomplete left femur.
SMP VP-1139: Incomplete left? Pubis.
MATEER, 1976Locality: Near Barrel Springs, New Mexico.
Horizon: Naashoibito Member, Latest Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Topotypes:
PMU 24305 (formelry PMU.R174 [was PMU R.281]): Fragment of a right ilium.
PMU 24893 (formerly PMU.R172 [was PMU R 280] ): Posterior-most sacral vertebra and 2 anterior-most caudal vertebrae.
KUES, LEHMAN, & RIGBY, Jr. 1980
USNM 10487: Right ischium.
USNM 15658: Distal caudal vertebrae.
= cf. Alamosaurus sanjuanensis RIVERA-SYLVA, NAVA-RODRIGUEZ & SANCHEZ-URIBE, 2021
Locality: Locality MUDECH-2, 23 km southeast of teh town of Manuel Benavides, municipality of Manuel Benavides, Ojinaga Basin, Chihuahua State, Mexico.
Horizon: Javelina Formation.
Biostratigraphy:
Age: Maastrichtian Stage, Late Senonian Subepoch, Late Gulf Epoch, Late Cretaceous.\Material:
MDCH V-043: Tooth fragment.
SULLIVAN & LUCAS, 2000
Locality: NMMNH 360, San Juan Basin, New Mexico.
Horizon: Naashoibito Member, Kirland Formation (was De-na-zin Member, Lower Kirtland Formation).
Biostratigraphy:
Age: Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
SMP VP-1271: Slightly water-worn tooth.
SMP VP-1097: Tooth.
Locality: MNNHM locality 4224, San Juan Basin, New Mexico.Horizon: De-na-zin Member, Lower Kirtland Formation.
Biostratigraphy:
Age: Kirtlandian age, Upper Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
NMMNH P. 29722: 2nd caudal vertebra.
NMMNH P. 29723: Either caudal vertebra 3 or 4.
NMMNH P. 28741: 3rd caudal vertebra.
SULLIVAN & WILLIAMSON, 1997
Locality: Near Barrel Springs, 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:
Topotype: PMU 24804 (formerly PMU.R173): Cervical vertebrae.
TYKOSKI, & FIORILLO, 2016
Locality: North-eastern part of the Big Bend National Park , Brewster County, Texas.
Note: Exact geographical information are avaible at the Perot Museum of Nature and Science, in Dallas, Texas for qualified researchers.
Horizon: Javelina Formation.
Biostratigraphy:
Age: Latest Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Latest Cretaceous.
Material:
BIBE 45854: 9 mid and posterior cervical vertebrae (C6 to C14).
WICK & LEHMAN, 2014
Localty: 'Willow' locality, Big Bend National, Brewster County, Texas.
Note: Exact locality data is available for qualified individuals at the Vertebrate Paleontology Labratory at the Jackson School of Geosciences, University of Texas at Austin.
Horizon: Lower Javelina (Tornillo) Formation.
Biostratigraphy:
Age: Lancian age, Uppermost Maastrichtian Stage, Uppermost Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
TMM 46052-1: Left femur.
WOODWARD & LEHMAN, 2009
Localiy: Big Bend National Park , Brewster County, Texas.
Horizon: Javelina Formation.
Biostratigraphy:
Age: Latest Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Latest Cretaceous.
Horizon: Black Peaks Formation.
Biostratigraphy:
Age: Uppermost Maastricthian (near the Cretaceous/Tertiary boundary), Uppermost Senonian Stage, Uppermost Gulf Epoch, Latest Cretaceous.
Material:
TM field no. TL 05-8: Ilium.
TMM 41541: Dorsal vertebrae and sacrum. Note: Liagments soft tissue (WOODRUFF, ATWOOD, & MADILL, 2016)
TMM 41541-1 (field number TL 05-5), 40597-7: Ischia.
TMM 42495-7: Middle shaft of an ischium.
TMM 43090-2: An adult femur.
TMM 43598-1: Interiors of 2 proximal caudal vertebrae.
TMM 43598-2: Incomplete dorsal centrum.
TMM 43598-3: Mid shaft of a femur.
TMM 43598-4: Distal end of a right metatarsal II.
TMM 43598-5: Nearly complete anterior dorsal vertebra.
TMM 43598-6: Incomplete cervical?
TMM 43599-1: Fifth? Caudal.
TMM 43599-1: Rib segment.
TMM 43621-1: A series of cervical and dorsal vertebral centra and neural arches of a juvenile.
TMM 45601-1: Right fibula.
TMM 45854-1 to 1J: A series of 10 rib segments.
TMM 45602-1: Rigth tibia.
TMM 45855-1: Proximal end of a right metacarpal II.
TMM 45855-2: Proximal end of a left dorsal rib.
TMM 45855-3: Rib segment.
Note: Found a meter away from TMM 45855-2.
TMM 45855-4: Proximal end of a left scapula.
TMM 45862-1: Proximal part of the shaft of a left ischium.
TMM 45864-1: Anterior half of a mid-caudal centrum.
TMM 45865-1: Immature distal caudal vertebra.
TMM 45857-1: Small left humeus.
TMM 45859-1: Right femur.
TMM 45861-1: A narl complete left fibula.
TMM 45863-1: Right humerus.
TMM 43600-2: Complete right humerus.