Where: Venezuela (11.5° N, 69.5° W: paleocoordinates 11.2° N, 67.9° W)
• coordinate stated in text
• small collection-level geographic resolution
When: El Muaco Member (Caujarao Formation), Tortonian (11.6 - 7.2 Ma)
• Kavanagh de Petzall (1959) divided the Caujarao Formation into three members: El Muaco (lower), Mataruca (middle) and Taratara (upper), where the latter one is underlying La Vela Formation (Miocene–Pliocene). The fossiliferous localities here studied belong to the El Muaco Member (Fig. 2), which is 690 m thick and with a lithology characterized mainly by mudstones and clays with some limestones and sandstones well developed at the basal section of the member (Kavanagh de Petzall 1959; Vallenilla 1961).
Environment/lithology: estuary or bay; gray mudstone
Size classes: macrofossils, mesofossils
Collection methods: surface (in situ), mechanical, ,
• The specimens were extracted from the sediment/rocks mechanically, and these are housed in the paleontological collection of the Museo Angel Segundo Lopez, Taratara, Falcon State, Venezuela, with the acronym MTT-V.
Primary reference: J. D. Carrillo-Briceño, A. E. Reyes-Cespedes, R. Salas-Gismondi and R. Sanchez. 2018. A new vertebrate continental assemblage from the Tortonian of Venezuela. Swiss Journal of Palaeontology 1-12 [E. Vlachos/E. Vlachos/G. Varnham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 200111: authorized by Evangelos Vlachos, entered by Evangelos Vlachos on 14.03.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Chondrichthyes | |
Pristis sp. Linck 1790 sawfish | |
"Carcharocles megalodon" = Otodus megalodon
"Carcharocles megalodon" = Otodus megalodon Agassiz 1835 megalodon | |
Galeocerdo aduncus Agassiz 1835 tiger shark | |
Carcharhinus leucas Valenciennes 1839 requiem shark
Negaprion sp. Whitley 1940 lemon shark | |
Sphyrna mokarran hammerhead shark
Sphyrna zygaena Linnaeus 1758 hammerhead shark | |
Dasyatidae indet. Jordan 1888 whiptail stingray | |
Actinopteri | |
Doradidae indet. catfish | |
Pimelodidae indet. Eigenmann and Eigenmann 1918 catfish | |
Serrasalmidae indet. Günther 1864 | |
Reptilia | |
Alligatoridae indet. crocodilian
Purussaurus sp. Barbosa Rodrigues 1892 crocodilian | |
Gavialidae indet. crocodilian
cf. Gryposuchus pachakamue Salas-Gismondi et al. 2016 crocodilian | |
Mammalia | |
Potamarchus sp. Burmeister 1885 caviomorph | |
Scirrotherium sp. Edmund and Theodor 1997 edentate |