KT section Sierra Huantraico, Neuquén Basin, HUR10: Maastrichtian, Argentina
collected by Aberhan, M., Kiessling, W., Weidemeyer, S. 14032004

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda
Gastropoda indet. Cuvier 1795
1 individual
Gastropoda - Turritellidae
Turritella malaspina
3 individuals
Gastropoda - Naticidae
Euspira cf. pueyrredonensis
3 individuals
Gastropoda - Aporrhaidae
Struthioptera cf. haastiana
8 individuals
Gastropoda - Neogastropoda - Fasciolariidae
cf. Cryptorhytis philippiana
2 individuals
Gastropoda - Heterostropha - Acteonidae
Acteon australis
1 individual
Bivalvia
Bivalvia indet. Linnaeus 1758
3 individuals
Bivalvia - Carditida - Astartidae
Disparilia sp.
3 individuals
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya sp. Sowerby 1823
1 individual
Bivalvia - Cardiida - Veneridae
Mesocallista aff. solitaria
1 individual
Bivalvia - Cardiida - Tellinidae
Linearia (Linearia) cf. semicostata
1 individual
original and current combination Linearis
Linearia (Linearia) sp. (Conrad 1860)
1 individual
original and current combination Linearis
Bivalvia - Trigoniida - Trigoniidae
cf. Austrotrigonia pampeana Leanza and Casadío 1991
2 individuals
Bivalvia - Ostreida - Gryphaeidae
Pycnodonte vesicularis (Lamarck 1806)
2 individuals
recombined as Pycnodonta vesicularis
Bivalvia - Pectinida - Limidae
Pseudolimea angusta
7 individuals
Pseudolimea informal symmetrica
8 individuals
Bivalvia - Pectinida - Pectinidae
Camptonectes (Camptochlamys) aff. tutorae Casadío et al. 2005
3 individuals
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Basis of coordinate:unpublished field data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:-9.80 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 0.20 m. Data from bed/horizon refers to midpoint of sampled beds.
Lithology and environment
Primary lithology: mudstone
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:74084
Authorizer:W. Kiessling Enterer:S. Weidemeyer
Modifier:M. Manojlovic Research group:marine invertebrate
Created:2007-07-21 06:43:02 Last modified:2017-05-23 16:34:15
Access level:the public Released:2007-07-21 06:43:02
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]