Jema River Shark Tooth Hill, UCMP V-98113 (Jurassic of Ethiopia)

Also known as Jemma River

Where: Shewa, Ethiopia (9.5° N, 38.6° E: paleocoordinates 12.3° S, 24.8° E)

• coordinate based on unpublished field data

• small collection-level geographic resolution

When: Mugher Mudstone Formation, Tithonian (152.1 - 145.0 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; mudstone

Size class: mesofossils

Reposited in the UCMP

Primary reference: M. B. Goodwin, W. A. Clemens, J. H. Hutchison, C. B. Wood, M. S. Zavada, A. Kemp, C. J. Duffin and C. R. Schaff. 1999. Mesozoic continental vertebrates with associated palynostratigraphic dates from the northwestern Ethiopian plateau. Journal of Vertebrate Paleontology 19(4):728-741 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 48841: authorized by Matthew Carrano, entered by Matthew Carrano on 31.03.2005, edited by Roger Benson

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Rajiformes - Rhinobatidae
Rhinobatos sp. Link 1790 guitarfish
Actinopteri
 Pycnodontiformes - Pycnodontidae
cf. Pycnodus sp. Agassiz 1835
 Lepisosteiformes -
Lepidotes sp. Agassiz 1843 gar
Reptilia
 Saurischia -
Tetanurae indet.1 Gauthier 1986 tetanuran
 Neornithischia - Hypsilophodontidae
Hypsilophodontidae indet. Dollo 1882 hypsilophodontid
Mammalia
 Peramura -
? Peramura sp.2 mammal
JEM-5/21 (fragment of left molariform trigonid)
Osteichthyes
 Ceratodontiformes - Neoceratodontidae
Asiatoceratodus tiguidensis Australian lungfish