Where: Argentina (39.2° S, 70.1° W: paleocoordinates 36.9° S, 30.9° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Lajas Formation, Early/Lower Bajocian (171.6 - 168.4 Ma)
• Based on ammonites. Middle lower Bajocian
• group of beds-level stratigraphic resolution
Environment/lithology: marginal marine; lithified, calcareous sandstone
Size class: macrofossils
Preservation: replaced with calcite
Collection methods: Study focussing on corals
Primary reference: S. M. Morsch. 1996. Les Scléractiniaires jurassiques (Bajocien) d'Argentine (Bassin de Neuquén). Systématique. Géobios 29(6):671-706 [W. Kiessling/W. Kiessling/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 25416: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 12.09.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Cephalopoda | |
Sonninia espinazitensis ammonite | |
Emileia multiformis ammonite | |
Gastropoda | |
Gastropoda indet. Cuvier 1795 snail | |
Bivalvia | |
Bivalvia indet. Linnaeus 1758 clam | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin | |
Anthozoa | |
Neuquinosmilia lospozonensis, Mapucheastrea andina n. gen. n. sp., Complexastraeopsis caracolensis, Montlivaltia aff. kobyi
Neuquinosmilia lospozonensis Morsch 1991 stony coral
Complexastraeopsis caracolensis stony coral
Montlivaltia aff. kobyi Beauvais 1966 stony coral | |
"Convexastrea" weaveri Gerth 1928 stony coral | |
"Actinastrea ramulifera" = Stephanastrea ramulifera
"Actinastrea ramulifera" = Stephanastrea ramulifera Etallon 1864 stony coral listed as ?Stephanastrea ramulifera
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