Where: Zulia, Venezuela (10.5° N, 72.4° W: paleocoordinates 8.0° N, 41.3° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Machiques Member (Apón Formation), Aptian (125.0 - 113.0 Ma)
• "The Apón Formation consists principally of shallow-sea platform carbonates generally divided in northwestern Venezuela into three members, with the Machiques Member denoting the formation's middle bed. The Machiques Member is considered Aptian in age based on its ammonite fauna. Impure carbonate shale beds containing hard limestone lenses generally become more frequent in the Machiques Member. While the best-preserved fossils (both vertebrate and invertebrate) are found in these limestone lenses, the pterosaur bone was collected from the Machique marl beds about 2m stratigraphically above the most notable of these shale beds in the quarry (while actually below this bed in the quarry because of the overturned section)."
• member-level stratigraphic resolution
Environment/lithology: shallow subtidal; marl
Size class: macrofossils
Collection methods: surface (in situ), mechanical,
• MBLUZ: Paleovertebrate Sector, Department of Geology and Paleontology, Museu Nacional/UFRJ, Rio de Janeiro
Primary reference: A. W. A. Kellner and J. M. Moody. 2003. Pterosaur (Pteranodontoidea, Pterodactyloidea) scapulocoracoid from the Early Cretaceous of Venezuela. In E. Buffetaut, J.-M. Mazin (eds.), Evolution and Palaeobiology of Pterosaurs. Geological Society, London, Special Publications 217:73-77 [R. Butler/R. Butler]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 89071: authorized by Richard Butler, entered by Richard Butler on 04.05.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Reptilia | |
| |
Platypterygius sp. von Huene 1922 ichthyosaur | |
| |
Actinopteri | |
Pycnodontidae indet. Agassiz 1833 | |
Araripichthys sp. Silva Santos 1985 | |
Ichthyodectidae indet. Crook 1892 | |
Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Cephalopoda | |
Teuthida indet. Naef 1916 squid | |
Belemnoidea indet. Hyatt 1884 belemnite | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail |