Las Tablas, Quiriquina Island (locality LT, beds with concretions): Late/Upper Maastrichtian, Chile

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Cephalopoda - Phylloceratida - Phylloceratidae
Phyllopachyceras forbesianum (d'Orbigny 1850)
(1 measurement)
Hypophylloceras (Neophylloceras) inflatum (Stinnesbeck 1986)
Hypophylloceras (Neophylloceras) ramosum (Meek 1857)
(1 measurement)
Hypophylloceras (Neophylloceras) hetonaiense (Matsumoto 1942)
(4 measurements)
Cephalopoda - Ammonitida - Baculitidae
Eubaculites carinatus (Morton 1834)
Baculites huenickeni Stinnesbeck 1986
Cephalopoda - Ammonitida - Tetragonitidae
Pseudophyllites indra (Forbes 1846)
(1 measurement)
Zelandites varuna (Forbes 1846)
(1 measurement)
Anagaudryceras politissimum (Kossmat 1895)
(3 measurements)
    = Anagaudryceras mikobokense Collignon 1956
Shigeta and Maeda 2023
Cephalopoda - Ammonitida - Pachydiscidae
Pachydiscus (Pachydiscus) gutierrezi n. sp. Salazar et al. 2010
(4 measurements)
Pachydiscus (Pachydiscus) jacquoti (Seunes 1890)
ssp. chilensis (1 measurement)
Cephalopoda - Ammonitida - Kossmaticeratidae
Grossouvrites joharae n. sp. Salazar et al. 2010
(1 measurement)
Grossouvrites gemmatus (Huppe 1854)
(2 measurements)
Maorites densicostatus (Kilian and Reboul 1909)
(2 measurements)
Gunnarites cf. bhavaniformis (Kilian and Reboul 1909)
Kossmaticeras (Natalites) erbeni Stinnesbeck 1986
(2 measurements)
Cephalopoda - Ammonitida - Desmoceratidae
Kitchinites darwini (Steinmann 1895)
(4 measurements)
see common names

Geography
Country:Chile
Coordinates: 36.6° South, 73.1° West (view map)
Paleocoordinates:38.6° South, 60.9° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Late/Upper Maastrichtian Ammonoid zone: Eubaculites carinatus
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Formation:Quiriquina
Stratigraphic resolution:group of beds
Stratigraphy comments: Beds with calcareous sandstone concretions, roughly equivalent to Kitchinites darwini subzone.
Lithology and environment
Primary lithology: lithified sandstone
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Repository: CPUC (Colección Paleontológica de la Universidad de Concepción)
Metadata
Database number:165492
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:marine invertebrate
Created:2015-01-19 20:08:22 Last modified:2017-05-23 16:34:15
Access level:the public Released:2015-01-19 20:08:22
Creative Commons license:CC BY
Reference information

Primary reference:

54096. 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]

Secondary references:

83762 Y. Shigeta and H. Maeda. 2023. Late Maastrichtian (latest Cretaceous) ammonoids from the Naiba area, southern Sakhalin, Russian Far East. Paleontological Research 27:277-309 [M. Clapham/M. Clapham]