Genus: Dissorophus COPE, 1895
Etymology:
= Longiscitula DeMAR, 1966
Etymology:
= Otocoelus COPE, 1896
Etymology:

Species: multicinctus COPE, 1895
Etymology:

Holotype: AMNH 4593

Locality: Unknown, Baylor County, Texas.

Horizon: Unknown.

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, Lower Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower D.

Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.

Material:

MCZ 1163-1: Basicranium.

MCZ 1163-2: Basicranium.

MCZ 1163-3: Posterior portion of a lower jaw.

MCZ 1163-4: Scapula.

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

AMNH 4376: Skull and anterior part of the skeleton.

FM 1204: Articulated part of the dorsal armor.

 

Locality: Indian River, Baylor County, Texas.

Horizon: Arroyo Formation, Lower Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower D.

Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.

Material:

MCZ 2122-1: Skull, shoulder girdle and humerus.

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 2122-4: Posterior portion of skull and braincase, somewhat crushed.

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

MCZ 2122-7: Posterior portion of a lower jaw.

MCZ 2122-8: Partially disarticulated sacral region.

MCZ 2122-9: Humerus.

MCZ 2122-10: Radius and ulna.

MCZ 2122-11: Pelvic region.

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

MCZ 2122-13: Articulated anterior portion of the vertebral column, ribs, shoulder girdle and portion of humerus.

MCZ 2122-14: Distal portion of femur articulated with proximal portions of the tibia and fibula.

MCZ 2122-15: Sacral vertebra and rib.

MCZ 2122-16: Posterior portion of the skull including the braincase and articulated atlas.

MCZ 2122-17: Portion of the braincase, including the basisphenoid and part of the epipterygoid.

MCZ 2122-18: Radius and ulna.

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

MCZ 2122-20: Crushed sacral region.

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.

DILKES, 2009

MCZ 4169: Two individuals with articulated osteoderms and partial postcranial crushed against the osteoderms.

MCZ 4187: Partial sacrial region and proximal caudal vertebrae.

 

Locality: Baylor County, Texas.

Horizon: Arroyo Formation, Lower Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower D.

Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.

Material:

NM 21904-1: Cheek region of skull.

NM 21904-2: Posterior portion of a lower jaw.

NM 21904-3: Small portion of the skull laterial to orbit.

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, Lower Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower D.

Age: Middle Leonardian stage, upper Rotliegendes, 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, Lower Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower D.

Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.

Material:

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

 

GEE, BEVITT & REISZ, 2019

Locality: Fort Sill, OMNH Locality V51, Dolese Brothers limestone quarry at Richards Spur, Fissure Fills, just west of U.S. Highways 62 & 281, 10.5 miles south of Apache, 6 miles north of Fort Sill, SW 1/2, Sec. 31, T4N, R11W, Comanche County, Oklahoma.

Horizon: Wellington Formation (Garber Formation), Summer Group, Arbuckle limestone, (Probably equivalent to the Arroyo Formation of Texas).

Biostratigraphy:

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

Material:

ROMVP 80072: Partial, disarticulated posterior skull table and occiput in articulation with a series of osteoderms covering 13 vertebral positions.

ROMVP 80073: Partial, articulated posterior skull and occiput in articulation with a series of 9 osteoderm positions and clavicle.

ROMVP 80074: Anterior shield with corresponding anteriormost internal osteoderm.

ROMVP 80075: Anterior shield.

ROMVP 80076: Internal osteoderm articulated with fragmentary internal-external pair and partial neural spines.

ROMVP 80077: Articualted series of osteoderms (minimum of 3 positions) with possible interclavicle.

 

= Dissorophus articulatus COPE, 1896
Etymology:

Holotype: AMNH 4376

Locality: Unknown, Texas.

Horizon:

Biostratigraphy:

Age: Early Permian.

Material: Skull and anterior portion of a skeleton.

 

= Otocoelus mimeticus COPE, 1896
Etymology:
= Dissorophus mimeticus (COPE, 1896) HUENE, 1911

Holotype: AMNH 4376

Locality: Unknown, Baylor County, Texas.

Horizon: Unkown.

Biostratigraphy:

Age: Early Permian.

Material: Nearly complete skull.

 

= Otocoelus testudineus COPE, 1896
Etymology:
= Dissorophus testudineus (COPE, 1896) MOODIE, 1910

Holotype: AMNH 4343

Locality: Unknown, Baylor County, Texas.

Horizon: Unkown.

Biostratigraphy:

Age: Early Permian.

Material:

 

= Longiscitula houghae DeMAR, 1966
Etymology:

Holotype: FMNH UR 430

Locality: OLSON'S Broiliellus pocket, East Coffee Creek, Baylor County, Texas.

Horizon: Arroyo Formation, Lower Clear Fork Group.

Biostratigraphy: Land-vertebrate faunachron lower D.

Age: Middle Leonardian stage, upper Rotliegendes, Early Permian.

Material: Skull.

Referred material:

FMNH UR 807: Posterior part of a skull.