El Mamón, 70 km east of Coro (Miocene of Venezuela)

Also known as Urumaco

Where: Falcon, Venezuela (11.4° N, 69.9° W: paleocoordinates 11.1° N, 68.5° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Upper Member (Urumaco Formation), Late/Upper Miocene (11.6 - 5.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; mudstone

Size class: macrofossils

Collected by J.M. Cruxent in 1978

Primary reference: J. Bocquentin Villanueva and E. Buffetaut. 1981. Hesperogavialis cruxenti n.gen., n. sp., nouveau Gavialide (Crocodylia, Eusuchia) du Miocene Superieur (Huayquerien) d'Urumaco (Venezuela). Geobios 14(3):415-419 [P. Mannion/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 143518: authorized by Philip Mannion, entered by Philip Mannion on 24.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Crocodylia - Gavialidae
Hesperogavialis cruxenti n. gen. n. sp.
Hesperogavialis cruxenti n. gen. n. sp. Bocquentin Villanueva and Buffetaut 1981 crocodilian
MHC 320 - holotype (partial maxilla); referred material: MHC 319 (incomplete mandible probably from the same individual as the holotype)
 Crocodylia - Alligatoridae
Caimaninae indet.2, "Mourasuchus nativus" = Mourasuchus arendsi1
Caimaninae indet.2 Brochu 1999 crocodilian
AMU-CURS-429 (cranial/mandibular fragments)
"Mourasuchus nativus" = Mourasuchus arendsi1 Bocquentin Villanueva 1984 crocodilian
AMU-CURS-212 (cranial fragment)