KT section Sierra Huantraico, Neuquén Basin, HUR5: Maastrichtian, Argentina
collected by Aberhan, M., Kiessling, W., Weidemeyer, S. 14032004

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Polychaeta - Sabellida - Serpulidae
Serpula sp. Linnaeus 1758
6 individuals
Gastropoda
Gastropoda indet. Cuvier 1795
1 individual
Gastropoda - Turritellidae
Turritellidae indet. Lovén 1847
1 individual
Bivalvia
Bivalvia indet. Linnaeus 1758
16 individuals
Bivalvia - Cardiida - Arcticidae
Etea aff. carolinensis Conrad 1875
1 individual
Bivalvia - Cardiida - Veneridae
Aphrodina (Tikia) cf. thomsoni
6 individuals
Bivalvia - Cardiida - Cardiidae
Cardiidae informal sp. C Lamarck 1809
1 individual
Bivalvia - Lucinida - Lucinidae
Pteromyrtea sp. Finlay 1926
1 individual
Bivalvia - Carditida - Astartidae
Eriphyla meridiana
1 individual
Bivalvia - Trigoniida - Trigoniidae
Pterotrigonia (Rinetrigonia) windhauseniana (Wilckens 1921)
4 individuals
original and current combination Trigonia windhauseniana
Bivalvia - Pectinida - Pectinidae
Lyriochlamys modestus
2 individuals
Camptonectes (Camptochlamys) aff. tutorae Casadío et al. 2005
6 individuals
Camptonectes (Camptochlamys) mahuidaensis
2 individuals
Bivalvia - Pectinida - Limidae
Pseudolimea angusta
7 individuals
Pseudolimea informal symmetrica
1 individual
Bivalvia - Ostreida - Bakevelliidae
Bakevellia sp. King 1848
2 individuals
Bivalvia - Ostreida
Ostreoidea sp. (Rafinesque 1815)
1 individual
original and current combination Ostreacea
Bivalvia - Ostreida - Ostreidae
Ostrea wilckensi Ihering 1907
6 individuals
Bivalvia - Ostreida - Gryphaeidae
Pycnodonte vesicularis (Lamarck 1806)
21 individuals
recombined as Pycnodonta vesicularis
Amphidonte mendozana (Ihering 1907)
1 individual
unclassified
Bryozoa indet. Ehrenberg 1831
1 individual
see common names

Geography
Country:Argentina State/province:Neuquén
Coordinates: 37.5° South, 69.9° West (view map)
Paleocoordinates:39.7° South, 57.7° West
Basis of coordinate:unpublished field data
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Maastrichtian 10 m.y. bin:Cretaceous 8
Key time interval:Maastrichtian
Age range of interval:72.10000 - 66.00000 m.y. ago
Stratigraphy
Geological group:Malargüe Formation:Roca
Local section:Huantraico Reef Local bed:-36.80 m
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: K/T boundary (basis of HUR14) is at 0 m. Beds lumped over 0.30 m. Data from bed/horizon refers to midpoint of sampled beds.
Lithology and environment
Primary lithology:medium sandstone
Includes fossils?Y
Environment:transition zone/lower shoreface Tectonic setting:foreland basin
Geology comments: inner shelf environment.
Taphonomy
Modes of preservation:body,cast,mold/impression,original calcite,replaced with calcite
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:good
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:bulk,mechanical,field collection,observed (not collected)
Reason for describing collection:paleoecologic analysis
Collectors:Aberhan, M., Kiessling, W., Weidemeyer, S. Collection dates:14.03.2004
Metadata
Database number:74061
Authorizer:W. Kiessling Enterer:S. Weidemeyer
Modifier:M. Manojlovic Research group:marine invertebrate
Created:2007-07-19 12:20:47 Last modified:2017-05-23 16:34:15
Access level:the public Released:2007-07-19 12:20:47
Creative Commons license:CC BY
Reference information

Primary reference:
24819. S. Weidemeyer. 2007. Molluscs at the K/Pg boundary in Argentina: Extinction and recovery patterns. unpublished Ph.D. thesis. [W. Kiessling/S. Weidemeyer]