Genus: Sauroposeidon WEDEL, CIFELLI & SANDERS, 2000
Etymology: Greek, sauros, “lizard”, and Greek mythical god of earthquakes Poseidon.
= Paluxysaurus ROSE, 2007
Etymology: In reference to the nearby town of Paluxy, Texas, and the Paluxy River, which flows through this region, and Greek, sauros, 'lizard'; Paluxy lizard.

Species: proteles WEDEL, CIFELLI & SANDERS, 2000
Etymology: Greek, proteles, "perfect before the end", In reference to the species culmination of brachiosaurid adaptations just before the extinction of North American sauropods.

Holotype: OMNH 53062

Locality: OMNH locality V821, Atoka County, Oklahoma.

Horizon: Antlers Formation, Upper unit.

Biostratigraphy:

Age: Cashenranchian age, Lower-Middle Albian Stage, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material: Articulated cervical vertebrae, 5-8, with cervical ribs preserved in place.

Referred material: As per D'Emic & Foreman, 2012

Locality: YPM 63-18, NW 1/4, Sec. 28, T58N, R95W, 20 yards (18 m) NW of YPM 63-17, Big Horn County, Wyoming.

Horizon: Unit VII, 2 to 8 feet (0.6 to 2.4 m) above Unit VI, Cloverly Formation.

Biostratigraphy:

Age: Cashenranchian, Aptian-Albian Stage, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material:

YPM 5123: Chevron.

YPM 5449: Associated 6 dorsal vertebrae, ribs, limb and pelvic elements.

YPM 5451: Left femur.

YPM 5347, 5375, 5419: Teeth.

YPM 5152: Posterior caudal vertebra.

YPM 5116: Isolated vertebrae.

YPM 5294: Middle cervical vertbra.

UM 20800: Scapula and coracoid.

 

Locality: YPM 63-19. NW 1/4, Sec. 28, T58N, R95W, 30 yards 927 m) NW of YPM 63-18, Big Horn County, Wyoming.

Horizon: Unit VII, 0 to 8 feet (0 to 2.4 m) above Unit VI, Cloverly Formation.

Biostratigraphy:

Age: Cashenranchian, Aptian-Albian Stage, middle Gallic subepoch, lower Cretaceous Epoch, Early Cretaceous.

Material:

YPM 5147: Posterior dorsal vertebra, and 2 ossified anterior caudal vertebrae.

YPM 5103, 5104: 2 middle-posterior caudal vertebrae.

YPM 5089, 5096, 5097, 5087: 4 chevrons.

YPM 5450: Left tibia.

YPM 5449: A) posterior and B) anterior dorsal vertebrae, after Ostrom, 1970.

 

=Paluxysaurus jonesi ROSE, 2007
Etymology: In honor of William R. (Bill) Jones, who for nearly two decades has graciously allowed the excavation of thise important fossils on his land.

Holotype: FWMSH 93B-10-18

Locality: W. W. Jones Ranch, SMU Locality 282 (FWMSH 93B-10), south-southwest of the town of Tolar, Hood County, Texas.

Horizon: Twin Mountains Formation, Trinity Group.

Biostratigraphy:

Age: Late Aptian or Earliest Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: An associated left maxilla, nasal and teeth.

Sauroposeidon proteles = Paluxysaurus jonesi (modified from ROSE, 2007), Holotype: FWMSH 93B-10-18.

 

Referred material:

FWMSH 93B-10-5, FWMSH 93B-10-6, FWMSH 93B-10-33, FWMSH 93B-10-40, FWMSH 93B-10-49, FWMSH 93B-10-50: Teeth.

FWMSH 93B-10-28-32: A series of 7 cervical vertebrae.

FWMSH 93B-10-8, FWMSH 93B-10-19: 2 isolated cervical vertebrae and cervical rib fragments.

FWMSH 93B-10-9, FWMSH 93B-10-11, FWMSH 93B-10-13, FWMSH 93B10-27, FWMSH 93B-10-48, TMM 42488: 13 dorsal vertebrae.

FWMSH 93B-10-12, FWMSH 93B-10-14, FWMSH 93B-10-17, FWMSH 93B-10-21, FWMSH 93B-10-37, FWMSH 93B-10-38, FWMSH 93B-10-41-44, TMM 42488: 30 caudal vertebrae.

FWMSH 93B-10-4, TMM 42488: 4 chevrons.

FWMSH 93B-10-13, FWMSH 93B-10-20, FWMSH 93B-10-23: Sevral dorsal rib fragments.

TMM 42488: 1 fused scapulocoracoid.

FWMSH 93B-10-24: Scapula.

FWMSH 93B-10-34, FWMSH 93B-10-39: 2 corocoids.

FWMSH 93B-10-24: Sternal plate.

FWMSH 93B-10-2, FWMSH 93B-10-7, TMM 42488: 4 humeri.

FWMSH 93B-10-7: Ulna.

FWMSH 93B-10-7, FWMSH 93B-10-36: 2 radii.

FWMSH 93B-10-1, FWMSH 93B-10-10, FWMSH 93B-10-22, FWMSH 92B-10-36, FWMSH 93B-10-47: 8 metatarsals.

FWMSH 93B-10-27: 2 ilia.

FWMSH 93B-10-27, FWMSH 93B-10-35, FWMSH 93B-10-51, TMM 42488: 5 pubes.

FWMSH 93B-10-27, FWMSH 93B-10-35, FWMSH 93B-10-51, TMM 42488: 5 ischia.

FWMSH 93B-10-3, FWMSH 93B-10-7, FWMSH 93B-10-25, FWMSH 93B-10-27, TMM 42488: 6 femora.

FWMSH 93B-10-15, FWMSH 93B-10-45, FWMSH 93B-10-46, TMM 42488: 4 tibiae.

FWMSH 93B-10-15, FWMSH 93B-10-25: 2 fibulae.

FWMSH 93B-10-16, FWMSH 93B-10-26: 3 metatarsals.

Numbers: Not given: A number of other elemetns were provisonally identified in the field but have not yet been prepared.

WINKLER, POLCYN, & JACOBS, 2013 (for 2012)

FWMSH 93B10-27: Sacrum, caudal 1-13.