Cocholgüe (locality CO, beds with concretions) (Cretaceous of Chile)

Where: Chile (36.6° S, 73.0° W: paleocoordinates 38.6° S, 60.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Quiriquina Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• Beds with calcareous sandstone concretions, roughly equivalent to Kitchinites darwini subzone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified sandstone

Size class: macrofossils

Collection methods: Repository: CPUC (Colección Paleontológica de la Universidad de Concepción)

Primary reference: C. Salazar, W. Stinnesbeck, and L. A. Quinzio-Sinn. 2010. Ammonites from the Maastrichtian (Upper Cretaceous) Quiriquina Formation in central Chile. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 257:181-236 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 165491: authorized by Matthew Clapham, entered by Matthew Clapham on 19.01.2015, edited by Kristina Okamoto

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Nautilida - Nautilidae
Eutrephoceras dorbignyanum1 Forbes 1846 nautiloid
 Phylloceratida - Phylloceratidae
 Ammonitida - Tetragonitidae
Anagaudryceras mikobokense2 Collignon 1956 ammonite
Anagaudryceras subtilineatum Kossmat 1895 ammonite
Gaudryceras seymouriense2 Macellari 1986 ammonite
Zelandites varuna Forbes 1846 ammonite
Pseudophyllites indra Forbes 1846 ammonite
 Ammonitida - Desmoceratidae
Kitchinites darwini Steinmann 1895 ammonite
Kitchinites ifrimae n. sp. Salazar et al. 2010 ammonite
 Ammonitida - Pachydiscidae
Pachydiscus (Pachydiscus) jacquoti Seunes 1890 ammonite
ssp. chilensis
Pachydiscus (Pachydiscus) gutierrezi Salazar et al. 2010 ammonite
 Ammonitida - Kossmaticeratidae
Maorites densicostatus Kilian and Reboul 1909 ammonite
Kossmaticeras (Natalites) erbeni Stinnesbeck 1986 ammonite
Grossouvrites joharae Salazar et al. 2010 ammonite
Gunnarites cf. bhavaniformis Kilian and Reboul 1909 ammonite
 Ammonitida - Baculitidae
Eubaculites carinatus Morton 1834 ammonite
Baculites anceps Lamarck 1822 ammonite
Baculites huenickeni Stinnesbeck 1986 ammonite