Abrek Bay AB1021: Smithian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Conodonta - Ozarkodinida - Gondolellidae
Neospathodus ex gr. waageni Sweet 1970
recombined as Novispathodus waageni
Neospathodus pakistanensis Sweet 1970
Eurygnathodus costatus Staesche 1964
Conodonta - Ozarkodinida - Ellisoniidae
? Ellisonia cf. peculiaris (Sweet 1970)
Chondrichthyes
Euselachii indet. Hay 1902
Chondrichthyes - Hybodontiformes
Lissodus cf. cristatus Delsate and Duffin 1999
Chondrichthyes - Hybodontiformes - Hybodontidae
Hybodus sp. Agassiz 1834
Chondrichthyes - Hybodontiformes - Acrodontidae
Acrodus cf. cuneocostatus Cuny et al. 2001
Chondrichthyes - Hybodontiformes - Polyacrodontidae
Polyacrodus sp. Jaekel 1889
Cephalopoda - Ceratitida - Flemingitidae
Rohillites laevis n. sp. Shigeta and Zakharov 2009
(1 measurement)
Ussuriflemingites primoriensis n. sp. Shigeta and Zakharov 2009
(6 measurements)
Shamaraites schamarensis (Zakharov 1968)
(1 measurement)
Palaeokazakhstanites ussuriensis (Zakharov 1968)
recombined as Palaeokazachstanites ussuriensis
(9 measurements)
Cephalopoda - Ceratitida - Gyronitidae
Abrekites planus n. sp. Shigeta and Zakharov 2009
(1 measurement)
Abrekites editus n. sp. Shigeta and Zakharov 2009
(3 measurements)
Cephalopoda - Ceratitida - Proptychitidae
Clypeoceras timorense (Wanner 1911)
(18 measurements)
Gastropoda - Bellerophontida - Euphemitidae
Warthia zakharovi Kaim 2009
(1 measurement)
Bivalvia - Cardiida - Anthracosiidae
Unionites canalensis (Catullo 1847)
(1 measurement)
Triaphorus aff. multiformis Kiparisova 1966
(24 measurements)
    = Unionites aff. subrectus Bittner 1901
Foster et al. 2017
Bivalvia - Trigoniida - Myophoriidae
Neoschizodus cf. laevigatus (Ziethen 1830)
(6 measurements)
Bivalvia - Trigoniida - Trigonodidae
Trigonodus orientalis Bittner 1899
(5 measurements)
Bivalvia - Pectinida - Hunanopectinidae
Leptochondria minima (Kiparisova 1938)
(1 measurement)
Bivalvia - Ostreida - Bakevelliidae
? Bakevellia sp. King 1848
(1 measurement)
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:251.20000 - 248.90000 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:90220
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:C. Feng Research group:marine invertebrate
Created:2009-07-14 10:39:13 Last modified:2013-11-25 13:02:06
Access level:the public Released:2009-07-14 10:39:13
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]