Estancia La Vega A, Rio Mayer Formation (Cretaceous of Argentina)

Where: Santa Cruz, Argentina (49.4° S, 71.8° W: paleocoordinates 56.4° S, 46.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Rio Mayer Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• 21 m above base

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified shale and lithified sandstone

• 30-35 m of dark gray to black shales with intercalated sandstones

Size class: macrofossils

Primary reference: F. A. Medina and A. C. Riccardi. 2007. Tuberosciponoceras: a new dimorphic ammonoid genus from the Upper Albian of Patagonia, Argentina. Palaeontologische Zeitschrift 81(2):123-130 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 74297: authorized by Wolfgang Kiessling, entered by Uta Merkel on 02.08.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Cephalopoda
 Ammonitida - Kossmaticeratidae
Eomarshallites hibridum, Eomarshallites espinosum
Eomarshallites hibridum Medina and Rinaldi 1986 ammonite
Eomarshallites espinosum Medina and Rinaldi 1986 ammonite
 Ammonitida - Desmoceratidae
Puzosia vegaensis
 Ammonitida - Oppeliidae
Koloceras talenkanum
Koloceras talenkanum Riccardi et al. 1987 ammonite
 Ammonitida - Baculitidae
Tuberosciponoceras insolitum
 Ammonitida - Labeceratidae
Myloceras (Calliscaphites) andinus, Labeceras singulare, Labeceras crassetuberculatum
Labeceras crassetuberculatum ammonite
subsp. magnum
 Phylloceratida - Phylloceratidae
Phyllopachyceras sp.
Phyllopachyceras sp. Spath 1925 ammonite
Bivalvia
 Pectinida - Oxytomidae
Maccoyella sp.
 Pectinida - Buchiidae
Aucellina sp.
Aucellina sp. Pompeckj 1901 scallop