Casamayor bed 3 (Eocene of Argentina)
Where: Santa Cruz, Argentina (47.7° S, 66.7° W: paleocoordinates 50.3° S, 56.7° W)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Casamayor Formation, Casamayoran (55.8 - 48.0 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: marine
Size class: macrofossils
Primary reference: A. Tournouër. 1903. Note sur la géologie et la paléontologie de la Patagonie. Bulletin de la Société Géologique de France 3:464-473 [J. Alroy/J. Wertheim/J. Wertheim]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 50067: authorized by John Alroy, entered by Jill Wertheim on 05.05.2005
Creative Commons license: CC BY (attribution)
Taxonomic list
• first reported by M. Ortmann (no reference)
Show authors, comments, and common names
unclassified | |
Rhynchonellata | |
"Rhynchonella plicigera" = Plicirhynchia plicigera, "Rhynchonella squamosa" = Tegulorhynchia squamosa
"Rhynchonella plicigera" = Plicirhynchia plicigera Ihering 1897
"Rhynchonella squamosa" = Tegulorhynchia squamosa Hutton 1873 | |
"Magellania lenticularis" = Neothyris lenticularis Deshayes 1839
Terebratella dorsata Gmelin 1792
Terebratella patagonica Sowerby 1846 | |
Bivalvia | |
Ostrea ingens oyster | |
"Pecten centralis" = Jorgechlamys centralis, Pecten proximus
"Pecten centralis" = Jorgechlamys centralis Sowerby 1846 scallop
Pecten proximus scallop | |
Gastropoda | |
Scalaria rugulosa wentletrap | |
Turritella breantania turret shell | |
Gibbula dalli Ihering 1897 top snail | |
Chondrichthyes | |
Carcharodon sp. Smith 1838 white shark
cf. Carcharodon auriculatus Blainville 1818 white shark | |
Echinoidea | |
Platypygus (Cyrthoma) posthumus sea urchin | |
"Iheringina (Scutella) patagonensis" = Iheringiella patagonensis
"Iheringina (Scutella) patagonensis" = Iheringiella patagonensis Desor 1847 sand dollar | |
Schizaster ameghinoi, Linthia gaudryii n. sp.
Schizaster ameghinoi heart urchin
Linthia gaudryii n. sp. heart urchin | |
Isechinus (Toxopneustes) praecursor, Hypechinus patagonensis, Psammechinus tournoueri n. sp., Psammechinus iheringi
Isechinus (Toxopneustes) praecursor Ortmann 1900 sea urchin
Hypechinus patagonensis sea urchin
Psammechinus tournoueri n. sp. sea urchin
Psammechinus iheringi sea urchin |