Rock Head, 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

 Saurischia -
Dilophosaurus wetherilli1 Welles 1954 coelophysoid
"Syntarsus kayentakatae" = Coelophysis kayentakatae Rowe 1989 coelophysoid
MNA V100, V140
 Ornithischia -
Scelidosaurus arizonensis2 Ulansky 2014 ornithischian
MNA V96, 136