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
 Theropoda -
cf. Dilophosaurus wetherilli1, Coelophysoidea indet.1, Syntarsus kayentakatae
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
Coelophysoidea indet.1 Holtz 1994 coelophysoid
MNA V3181, pubis
Syntarsus kayentakatae Rowe 1989 coelophysoid
MNA V100, V140
 Ornithischia -
Ornithischia indet.1, Scelidosaurus arizonensis2
Ornithischia indet.1 Seeley 1888 ornithischian
MNA V109, femur
Scelidosaurus arizonensis2 Ulansky 2014 ornithischian
MNA V96, 136
1Marsh and Rowe 2020; 2Ulansky 2014