Also known as B.C.S. 2 or Loma del Tirabuzón
Where: Baja, Mexico (27.4° N, 112.3° W: paleocoordinates 27.1° N, 110.7° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Tirabuzon Formation, Messinian to Messinian (7.2 - 3.6 Ma)
• From the text: Reported as Gloria Formation. Based on sharks, middle Pliocene in age
• group of beds-level stratigraphic resolution
Environment/lithology: marine; unlithified, silty siltstone and unlithified siltstone
Size class: macrofossils
Primary reference: S. P. Applegate. 1978. Phyletic studies; part 1, Tiger sharks. Revista Mexicana de Ciencias Geológicas 2(1):55-64 [M. Uhen/M. Uhen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 154117: authorized by Mark Uhen, entered by Mark Uhen on 27.01.2014
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Squalus sp. Linnaeus 1758 dogfish shark | |
Heterodontus sp. de Blainville 1816 bullhead shark | |
Notorhynchus sp. Ayres 1855 sevengill shark
Hexanchus griseus sixgill shark | |
Galeocerdo rosaliaensis tiger shark | |
Rhizoprionodon longurio, Carcharhinus brachylurus, Carcharhinus galapagensis, Carcharhinus velox, Carcharhinus limbatus, Carcharhinus altimus, Carcharhinus leucas, Carcharhinus falciformis, Carcharhinus albimarginatus, Carcharhinus obscurus, Prionace glauca
Rhizoprionodon longurio Jordan and Gilbert 1882 sharpnose shark
Carcharhinus brachylurus requiem shark
Carcharhinus galapagensis requiem shark
Carcharhinus velox requiem shark
Carcharhinus limbatus requiem shark
Carcharhinus altimus requiem shark
Carcharhinus leucas Valenciennes 1839 requiem shark
Carcharhinus falciformis Bibron 1841 requiem shark
Carcharhinus albimarginatus Rüppell 1837 requiem shark
Carcharhinus obscurus Le Sueur 1818 requiem shark
Prionace glauca blue shark | |
Sphyrna (Tiburo) vespertina hammerhead shark
Sphyrna mokarran hammerhead shark
Sphyrna media Springer 1940 hammerhead shark
Sphyrna lewini Griffith and Smith 1834 hammerhead shark
Sphyrna zygaena Linnaeus 1758 hammerhead shark | |
Hemipristis serra Agassiz 1835 ground shark | |
"Carcharodon megalodon" = Otodus megalodon, "Isurus benedeni" = Parotodus benedeni
"Isurus benedeni" = Parotodus benedeni Le Hon 1871 mackerel shark | |
Isurus oxyrinchus, "Carcharodon carcharias" = Carcharodon carcharias, "Carcharodon sulcidens" = Carcharodon carcharias
Isurus oxyrinchus Rafinesque 1810 mackerel shark
"Carcharodon carcharias" = Carcharodon carcharias Linnaeus 1758 great white shark
"Carcharodon sulcidens" = Carcharodon carcharias Linnaeus 1758 great white shark | |
"Odontaspis acutissima" = Carcharias acutissimus
"Odontaspis acutissima" = Carcharias acutissimus Agassiz 1843 sand shark | |
Cetorhinus sp. de Blainville 1816 basking shark |