Species: ahynis OLSEN, 1979
Etymology:

Holotype: YPM 7496

Locality: CB1-2-C, the owners of the Tanytrachelos locality do not want the exact position of the site to become common knowledge, North Carolina.

Horizon: Newark Supergroup.

Biostratigraphy:

Age: Hettangian Stage, Lowermost Lias Epoch, Early Jurassic.

Material: Skull and skeleton missing both pedes and posterior portion of tail.

Referred material:

YPM 7490: Missing portion of trunk.

YPM 7492: Partially disarticulated specimen.

YPM 7493: Skeleton missing neck.

YPM 7494: Skeleton missing part of neck.

 

Locality: CB1-A.

Horizon: Newark Supergroup.

Biostratigraphy:

Age: Hettangian Stage, Lowermost Lias Epoch, Early Jurassic.

Material:

YPM 7485: Missing most of skull, skeleton missing tail.

YPM 7491: Skeleton missing neck and skull.

YPM 7501: Fragment.

YPM 7502: Fragment.

YPM 7702: Skull and skeleton of a small individual.

 

Locality: CB1-2-B.

Horizon: Newark Supergroup.

Biostratigraphy:

Age: Hettangian Stage, Lowermost Lias Epoch, Early Jurassic.

Material:

YPM 7484: Skeleton missing tip of tail.

YPM 7644: Skeleton missing tail and legs.

 

Locality: CB1 2 D.

Horizon: Newark Supergroup.

Biostratigraphy:

Age: Hettangian Stage, Lowermost Lias Epoch, Early Jurassic.

Material:

YPM 7486: Skeleton missing distal parts of hind limbs and tail.

YPM 7487: Missing anterior part of skeleton.

YPM 7488: Neck.

YPM 7489: Skeleton missing one pes and distal portion of tail.

YPM 7495: Missing anterior portion of skeleton.

YPM 7497: Skeleton skull and one leg.

YPM 7498, 7499, 7542: Fragmentary skeletons.

YPM 7540: Pes and distal part of tibia and fibula.

YPM 7541: Anterior 3 quarters of skeleton preserving outline of soft tissue, missing tail and both feet.

YPM 7611, 7614, 7625, 7631, 7634, 7635, 7637, 7638, 7639, 7640, 7641, 7642, 7643, 7645, 7647, 7648, 7650, 7651, 7652, 7653, 7654: Fragments.

YPM 7612: Fragment of trunk and pectoral girdle.

YPM 7615, 7629, 7630: Skulls and skeletons.

YPM 7617: Parts of several individuals.

YPM 7618: Skeleton missing pectoral girdle, forelimbs, neck, skull and tip of tail.

YPM 7619: Missing head and end of tail.

YPM 7620: Articulated humerus, radius and ulna.

YPM 7621: Skeleton missing skull and tip of tail.

YPM 7622: Lacking most of skull, one foot and end of tail.

YPM 7623: Skeleton missing tip of tail.

YPM 7626, 7628: 2 skeletons missing tail.

YPM 7632: Impression of anterior portion of skeleton.

YPM 7633: Pelvis and legs.

YPM 7649: Skeleton missing neck, head and end of tail.

 

Locality: CB1 2 E.

Horizon: Newark Supergroup.

Biostratigraphy:

Age: Hettangian Stage, Lowermost Lias Epoch, Early Jurassic.

Material:

YPM 7482: Skull and anterior portion of body.

YPM 7483: Fragment.

 

Locality: CB1 3

Horizon: Newark Supergroup.

Biostratigraphy:

Age: Hettangian Stage, Lowermost Lias Epoch, Early Jurassic.

Material:

YPM 8172: Fragmentary skeleton.

YPM 8173: Skeleton missing distal part of tail.

 

Locality: CB1 16.

Horizon: Newark Supergroup.

Biostratigraphy:

Age: Hettangian Stage, Lowermost Lias Epoch, Early Jurassic.

Material:

YPM 8075: Fragment.

 

Locality:

Horizon:

Biostratigraphy:

Age:

Material:

AMNH 7206: Vertebrae and cervical ribs.

 

Locality: Virginia.

Horizon:

Biostratigraphy:

Age:

Material:

Number: Not given:

 

Locality: Lower Newark basin, Weehawken, Hudson County, New Jersey.

Horizon: Ewing Creek Member, Lower Lockatong Formation, Newark Supergroup.

Biostratigraphy:

Age: Carnian Stage, Lower Late Triassic Epoch, Late Triassic.

Material:

Number: Not given: Skull and skeleton.

 

OLSEN & JOHANASSON, 1994

Locality: Solite Quarry, Virginia Solite Corporation near Eden,
Rockingham County, North Carolina.

Horizon: Cow Branch Formation.

Biostratigraphy:

Age: Carnian Stage, Lower Late Triassic Epoch, Late Triassic.

Material:

Number: Not given: Skulls and skeletons.
Note: Some specimens show soft tissue.

 

PRITCHARD, TURNER, NESBITT, IRMIS & SMITH, 2015

Locality: H2, H3, and H4 paleochannels, Hayden Quarry, Ghost Ranch, Rio Arriba County, New Mexico.

Horizon: Petrified Forest Member, Chinle Formation.

Biostratigraphy:

Age: Middle Norian Stage, Late Triassic Epoch, Late Trassic.

Material:

GR 306: Isolated calcaneum.