Species: denisoni PATTERSON, 1951
Etymology:

Holotype: CNHM PM 542

Locality: Approximately 2. 1/2 miles southwest of Forestburg, Montague County, Texas.

Horizon: Trinity Formation, Trinity Group.

Biostratigraphy:

Age: Comanchean, Lower Cashenranchian age, Early to Middle Albian Stage, Middle Gallic subepoch, upper Early Cretaceous Epoch, Early Cretaceous.

Material: Fragmentary right ramus with roots of penultimate premolar, incomplete last premolar, LM1-2 anterior root of LM3.

Referred material:

CNMH PM 541: Portion of left ramus with roots of last premolar, incomplete LM1, LM2, incomplete anterior alveolus of LM3.

 

Locality: Greenwood Local Fauna, 33°29’49”N, 97°35’04”W, Montague County, North Central Texas.

Horizon: Upper Paluxy Formation, Trinity Group.

Biostratigraphy:

Age: Comanchean, Lower Cashenranchian age, Early to Middle Albian Stage, Middle Gallic subepoch, upper Early Cretaceous Epoch, Early Cretaceous.

Material:

TMM 1060: Fragmentary lower jaw.

 

= Astroconodon cf. denisoni CIFELLI, GARDNER, NYDAM, & BRINKMAN, 1997

Locality: OMNH V706, southwest Akota County, Oklahoma.

Horizon: Antlers Formation, Upper unit.

Biostratigraphy:

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

Material:

Number: Not given:

 

Locality: OMNH V212, southwest Akota County, Oklahoma.

Horizon: Antlers Formation, Upper unit.

Biostratigraphy:

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

Material:

Number: Not given:

 

PATTERSON, 1956

Locality: Near Forestburg, Montague County, Texas.

Horizon: Trinity Group.

Biostratigraphy:

Age: Comanchean, Lower Cashenranchian age, Early to Middle Albian Stage, Middle Gallic subepoch, upper Early Cretaceous Epoch, Early Cretaceous.

Material:

CNHM PM 543: Fragmentary humerus.

 

SLAUGHTER

Locality: Texas.

Horizon: Paluxy Church Formation, Trinity Group.

Biostratigraphy:

Age: Comanchean, Lower Cashenranchian age, Early to Middle Albian Stage, Middle Gallic subepoch, upper Early Cretaceous Epoch, Early Cretaceous.

Material:

SMP-SMU 62017: Fragment of mandible.

SMP-SMU 62011: Upper molar.

SMP-SMU 61983: Anterior upper premolar.

SMP-SMU 62016, SMP-SMU 61984, SMP-SMU 61989, SMP-SMU 61988, SMP-SMU 61759, SMP-SMU 61982: Lower molars.

SMP-SMU 62014: Fragmentary mandible.

 

WINKLER, MURRY & JACOBS, 1988

Locality: Paluxy Church, Central Texas.

Horizon: Trinity Formation, Trinity Group.

Biostratigraphy:

Age: Comanchean, Lower Cashenranchian age, Early to Middle Albian Stage, Middle Gallic subepoch, upper Early Cretaceous Epoch, Early Cretaceous.

Material:

SMU 61986: Left UM.

 

Locality: Butler Farm, 33°16’38”N, 97°37’30”W, Wise County, North Central Texas.

Horizon: Middle Paluxy Formation, Trinity Group.

Biostratigraphy:

Age: Comanchean, Lower Cashenranchian age, Early to Middle Albian Stage, Middle Gallic subepoch, upper Early Cretaceous Epoch, Early Cretaceous.

Material:

Number: Not given:

_____________________________________________________________________________________

Species: delicatus CIFELLI & MADSEN, 1998
Etymology: Latin, delicate, "dainty, tender," in allusion to the size and gracile apperance of teeth referred to the species.

Holotype: OMNH 32901

Locality: OMNH Locality V239, Emery County, Utah.

Horizon: Member? Cedar Mountain Formation.

Biostratigraphy:

Age: Age?, Stage?, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.

Material: Anterior part of right lower molar with cusps a and b.

Referred material:

OMNH 25783: Right upper molar.

 

Locality: OMNH Locality V695, Emery County, Utah.

Horizon: Member? Cedar Mountain Formation.

Biostratigraphy:

Age: Age?, Stage?, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.

Material:

OMNH 29598: Posterior part of left ultimate upper premolar, perhaps P4.

 

Locality: OMNH Locality V696, Emery County, Utah.

Horizon: Member? Cedar Mountain Formation.

Biostratigraphy:

Age: Age?, Stage?, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.

Material:

OMNH 29668: Left ultimate lower premolar, perhaps p4.

 

Locality: OMNH Locality V868, Emery County, Utah.

Horizon: Member? Cedar Mountain Formation.

Biostratigraphy:

Age: Age?, Stage?, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.

Material:

OMNH 33018: Anterior part of right upper molar with cusps A and B.

 

Locality: OMNH Locality V801, (same as RRQ or Rough Road Quarry of Nelson and Crooks, 1987; Eaton and Nelson, 1991) Emery County, Utah.

Horizon: Member? Cedar Mountain Formation.

Biostratigraphy:

Age: Age?, Stage?, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.

Material:

OMNH 29656: Posterior part of right upper molar with cusps A and C.

FHSM VP10397: Right penulimate lower premolar, perhaps p3.