Species: ornatus MARSH, 1890
Etymology:

Holotype: YPM 1784

Locality: Reeds YPM Quarry 9, (Mammal Quarry), T22N, R77W, Sec. 12, Como Bluff, Albany County, Wyoming.

Horizon: Upper or Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material: A laterally compressed skull without lower jaws.

Referred material:

YPM 1357: Carapace.

YPM 4742: Anterior end of right lower jaw ramus.

YPM 4721: Fragmentary left dentary.

YPM 4717: Braincase consisting of basisphenoid, basiocipital, exoccipitals and prootics.

YPM 5821: Left lower ramus.

YPM 2753: Left lower jaw.

YPM 6077: Left epiplastron.

YPM 26370: Basioccipital.

YPM 26371: Basioccipital.

 

FOSTER, PAGNAC & HUNT-FOSTER, 2020

Locality: V9138, Little Houston Quarry, approximately 20 km west of Sundance in southern Crook County, just north of Little Houston Creek, Black Hills, northeast Wyoming.

Horizon: Member?, Morrison Formation.

Biostratigraphy: Zone?

Age: Age?, Stage?, Malm Epoch, Late Jurassic.

Material:

SDSM specimen: Pleural fragments

Number: Not given: Shell fragments.

 

MERRILL, 1907

Locality: Como Bluff, Albany County, Wyoming.

Horizon: Member? Morrison Formation.

Biostratigraphy: Zone?

Age: Age? Stage? Epoch? Late Jurassic.

Material:

USNM 5458: Part of carapace and plastron.

Glyptops plicatulus referred material:

GAFFNEY, 1979

Locality: Bone Cabin Quarry, 8 miles north of Como, Medicine Bow Anticline (also called Flat top Anticline), Albany County, Wyoming.

Horizon: Salt Wash Member, Morrison Formation.

Biostratigraphy: Zone 2.

Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

AMNH 336: Skull, cervical, dorsal vertebrae, shell and plastron.

 

Locality: Como Bluff, Albany County, Wyoming.

Horizon: Morrison Formation.

Biostratigraphy:

Age: Late Jurassic.

Material:

NMNH 5458: Posterior part of carapace.

 

Locality: Carnegie Quarry, Dinosaur National Monument, north of the little town of Jensen, Uintah County, Utah.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Upper Part, Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

DNM 1122: Shell.

DNM 994: Badly fractured shell.

DNM 995: Entoplastron and both hyoplastra.

 

CHURE & ENGLEMANN, 1989

Locality: Rainbow Park microsite, Dinosaur National Monument West, Rainbow Park Area, Uintah County, Utah.

Horizon: Upper Brushy Basin Member Morrison Formation.

Biostratigraphy: Zone 4.

Age: Upper Part, Comobluffian age, Tithonian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

Number: Not given: Postcranial elements.

 

HARRIS & CARPENTER, 1996

Locality: “Small Quarry”, DMNH Loc., 6111, 1992 Stegosaurus stenops Quarry, Garden Park, near Canon City, Fremont County, Colorado.

Horizon: Near the top of the Lower Member of the Morrison Formation.

Biostratigraphy:

Age: Stage?, uppermost Malm Epoch, Late Jurassic.

Material:

Number: Not given:

 

HAY,

Locality: Como Bluff, Albany County, Wyoming.

Horizon: Morrison Formation.

Biostratigraphy:

Age: Late Jurassic.

Material:

USNM 5458: Posterior portion of a carapace.

USNM 5733: Fragmentary carapace.

 

LUCAS, RINEHART, HECKERT, PETERSON & PETERSON, 2005, LUCAS, RINEHART & HECKERT, 2006

Locality: Peterson Quarry (Boney Canyon Quarry), NMMNH Locality L-3282, east flank of Mesa Gigante, Bernalillo County, New Mexico.

Horizon: Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Upper Part, Comobluffian age, Kimmeridgian Stage, Uppermost Malm Epoch, Late Jurassic.

Material:

NMMNH P-44530: Incomplete plastron and carapace.

 

= Glyptops plicatus LEADER & SMALL, 1999 (sic)

Locality: Wolf Creek Quarry, Dinosaur National Monument East, Moffat County, Colorado.

Horizon: Lower Part, Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 2.

Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

DMNH:

OSTROM & McINTOSH, 1966

Locality: Reed's YPM Quarry 13, T22N, R76W, Sec. 4 or 5, Como Bluff, East (East of Marshall road), Albany County, Wyoming.

Horizon: Salt Wash Member, Morrison Formation.

Biostratigraphy: Zone 2.

Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

Number: Not given:

 

Locality: Felch's YPM Quarry 1, T17S, R70W, Sec. 28, Como Bluff, Albany County, Wyoming.

Horizon: Morrison Formation.

Biostratigraphy:

Age: Late Jurassic.

Material:

Number: Not given:

 

SCHEYER & ANQUETIN, 2008

Locality: Reeds YPM Quarry 9, (Mammal Quarry), T22N, R77W, Sec. 12, Como Bluff, Albany County, Wyoming.

Horizon: Upper or Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material:

YPM 57160: Neural.

YPM 57161: Medial part of a costal.

YPM 57162: Costal.

YPM 57`63: Peripheral.

YPM 57194: A plastron fragment, hyo- or hypoplastron.

 

= Glyptops utahensis GILMORE, 1916
Etymology: In reference to the state of Utah, where the specimen was found.

Holotype: CM 3412

Locality: Carnegie Quarry, Dinosaur National Monument, north of the little town of Jensen, Uintah County, Utah.

Horizon: Upper or Brushy Basin Member, Morrison Formation.

Biostratigraphy: Zone 3.

Age: Comobluffian age, Kimmeridgian Stage, uppermost Malm Epoch, Late Jurassic.

Material: Carapace and plastron.

Paratype: CM 3380: Carapace and plastron.

_____________________________________________________________________________________

Species: plicatulus (COPE, 1877) MARSH, 1890 (nomen dubium)
Etymology:
= Compsemys plicatulus COPE, 1877

Holotype: AMNH 6099

Locality: Garden Park, 8 miles north to northeast of Canyon City, Fremont County, Colorado.

Horizon: Probably Morrison Formation.

Biostratigraphy:

Age: Late Jurassic.

Material: ? 3rd left costal with ornamentation enhances, portions of left bypoplastron and xiphiplastron plus various shell fragments.