Genus: Dissorophus COPE, 1895
Etymology:

Species: multicinctus COPE, 1895
Etymology:

Holotype: AMNH 4593

Locality: Unknown, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material: Articulated part of the armored carapace, vertebral column and ribs.

Referred material:

DeMAR 1968

Locality: Hog Creek, Baylor County, Texas.

Horizon: Arroyo Formation, Clear Fork Group.

Biostratigraphy:

Age: Artinskian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

MCZ 1163 (not individually numbered): Numerous limb bones, armor fragments and skull parts.

FM 1204: Articulated part of the dorsal armor.

 


Locality: Indian River, Baylor County, Texas.

Horizon: Arroyo Formation, Clear Fork Group.

Biostratigraphy:

Age: Artinskian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

MCZ 2122-2: Some what disarticulated skeletons without skulls preserved beneath articulated carapaces.

MCZ 2122-3: Some what disarticulated skeleton with skull preserved beneath carapace.

MCZ 2122-5: Partial skeleton, crushed, beneath and articulated carapace.

MCZ 2122-12: Partial skull and partial disarticulated carapace.

MCZ 2122-19: Partial skull and skeleton crushed against articulated carapace.

MCZ 2122-21: Partial skull and skeleton crushed beneath an articulated carapace.

MCZ 2122-22 (Not individually numbered): Numerous limb bones, armor fragments and skull parts.

 


Locality: Baylor County, Texas.

Horizon: Arroyo Formation, Clear Fork Group.

Biostratigraphy:

Age: Artinskian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

NM 21904 (Not individually numbered): Articulated carapace and part of the skeleton, a large portion of the posterior part of the skull and braincase, and other miscellaneous cranial and skeletal fragments.

 


Locality: Coffee Creek, Baylor County, Texas.

Horizon: Arroyo Formation, Clear Fork Group.

Biostratigraphy:

Age: Artinskian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

NM 1555: Skull, vertebral column, armored carapace and foot.

FM UC 648: Carapace, skull roof, lower jaws, shoulder girdle humerus, ulna and femur.

 

 

Locality: From Olson's Broiliellus "pocket", East Coffee Creek, Baylor County, Texas.

Horizon: Arroyo Formation, Clear Fork Group.

Biostratigraphy:

Age: Artinskian Stage, Lower Rotliegendes Epoch, Early Permian.

Material:

FM UR813: Articulated part of the dorsal armor and vertebral column.

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Species: angustus CARROLL, 1964
Etymology:

Holotype: MCZ 1695

Locality: Archer City bone bed, 1 mile southwest of Archer City, Archer County, Texas.

Horizon: Archer City Formation (formerly Putnam Formation), Wichita Group.

Biostratigraphy:

Age: Leonardian series, Upper Rotilegendes Epoch, Early Permian.

Material: Partial skeleton including right rear portion of skull, vertebral column from atlas to 3rd postsacral with ribs and dermal armor, pelvic and pectoral girdles, and limb fragments.