Abrek Bay AB1022: Smithian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Rhynchonellida - Rhynchonellidae
Abrekia sulcata Dagys 1974
(1 measurement)
Bivalvia - Cardiida - Anthracosiidae
Triaphorus aff. multiformis Kiparisova 1966
(1 measurement)
    = Unionites aff. subrectus Bittner 1901
Foster et al. 2017
Cephalopoda - Ceratitida - Hedenstroemiidae
Pseudosageceras multilobatum Noetling 1905
(1 measurement)
Cephalopoda - Ceratitida - Proptychitidae
Clypeoceras timorense (Wanner 1911)
(1 measurement)
Cephalopoda - Ceratitida - Arctoceratidae
Arctoceras septentrionale (Diener 1895)
recombined as Proptychites (Discoproptychites) septentrionale
(2 measurements)
Cephalopoda - Ceratitida - Paranannitidae
Prosphingitoides sp. Shevyrev 1995
(2 measurements)
Cephalopoda - Orthocerida - Orthoceratidae
Trematoceras subcampanile (Kiparisova 1954)
Conodonta - Ozarkodinida - Gondolellidae
Neospathodus pakistanensis Sweet 1970
Neospathodus aff. posterolongatus Zhao and Orchard 2007
Neospathodus concavus Zhao and Orchard 2007
Neospathodus novaehollandiae McTavish 1973
Chondrichthyes
Euselachii indet. Hay 1902
Chondrichthyes - Hybodontiformes
Lissodus cf. cristatus Delsate and Duffin 1999
Chondrichthyes - Hybodontiformes - Polyacrodontidae
Polyacrodus sp. Jaekel 1889
Chondrichthyes - Hybodontiformes - Acrodontidae
Acrodus cf. cuneocostatus Cuny et al. 2001
Crinoidea - Holocrinida - Holocrinidae
Holocrinus sp. Wachsmuth and Springer 1886
see common names

Geography
Country:Russian Federation
Coordinates: 42.9° North, 132.4° East (view map)
Paleocoordinates:43.6° North, 110.5° East
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Triassic Epoch:Early/Lower Triassic
Stage:Olenekian 10 m.y. bin:Triassic 1
Key time interval:Smithian Conodont zone: Neospathodus ex gr waageni-N. novaehollandiae
Age range of interval:251.30000 - 247.20000 m.y. ago
Stratigraphy
Formation:Zhitkov
Local section:Abrek Bay Local bed:135.1 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Clypeoceras timorense ammonoid zone
Lithology and environment
Primary lithology:concretionary lithified mudstone
Lithology description: Laminated mudstone with calcareous concretions
Environment:submarine fan
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Database number:90221
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:C. Feng Research group:marine invertebrate
Created:2009-07-14 10:58:00 Last modified:2013-11-25 13:02:06
Access level:the public Released:2009-07-14 10:58:00
Creative Commons license:CC BY
Reference information

Primary reference:

30271. Y. Shigeta, Y. D. Zakharov, H. Maeda and A. M. Popov. 2009. The Lower Triassic System in the Abrek Bay area, south Primorye, Russia. National Museum of Nature and Science Monographs 38:1-218 [M. Clapham/M. Clapham/M. Clapham]

Secondary references:

60793 W. J. Foster, S. Danise, and R. J. Twitchett. 2017. A silicified Early Triassic marine assemblage from Svalbard. Journal of Systematic Palaeontology 15:851-877 [P. Wagner/P. Wagner/M. Clapham]