Rock Head (Bowl Area) (MNA 219-0) (Jurassic to of the United States)

Where: Coconino County, Arizona (35.7° N, 111.0° W: paleocoordinates 19.3° N, 49.8° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Kayenta Formation (Glen Canyon Group), Sinemurian to Sinemurian (199.3 - 182.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected in the 1970s

Primary reference: T. Rowe. 1989. A new species of the theropod dinosaur Syntarsus from the Early Jurassic Kayenta Formation of Arizona. Journal of Vertebrate Paleontology 9(2):125-136 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 35250: authorized by Matthew Carrano, entered by Matthew Carrano on 20.11.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Archosauria -
Archosauria indet.1
Archosauria indet.1 Cope 1869 archosaur
MNA V111, MNA V138, MNA V247, MNA V102, MNA V122
 Ornithischia -
Ornithischia indet.1, Scelidosaurus arizonensis2
Ornithischia indet.1 Seeley 1888 ornithischian
MNA V109, femur
Scelidosaurus arizonensis2 Ulansky 2014 ornithischian
MNA V96, 136
 Theropoda -
Coelophysoidea indet.1, Syntarsus kayentakatae, cf. Dilophosaurus wetherilli1
Coelophysoidea indet.1 Holtz 1994 coelophysoid
MNA V3181, pubis
Syntarsus kayentakatae Rowe 1989 coelophysoid
MNA V100, V140
cf. Dilophosaurus wetherilli1 Welles 1954 neotheropod
MNA V97, MNA V101, MNA V131, MNA V135, MNA V154, MNA V160/V161, MNA V176, MNA V177, MNA V248, MNA V530, MNA V539
1Marsh and Rowe 2020; 2Ulansky 2014