Boyarka River-6: Berriasian, Russian Federation
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
unclassified
|
||||||||||
|
cf. Marginula occultata
|
||||||||||
| originally entered as "Marginula cf. occultata" | ||||||||||
|
Marginula zaspelovae
|
||||||||||
|
Marginula impropria
|
||||||||||
|
Crinoidea
|
||||||||||
|
Crinoidea indet.
Miller 1821
|
||||||||||
|
unclassified
|
||||||||||
|
Crustacea indet.
Brünnich 1772
|
||||||||||
| invalid subgroup of Pancrustacea | ||||||||||
|
Scaphopoda
- Dentaliida
- Dentaliidae
|
||||||||||
|
Dentalium sp.
Linnaeus 1758
|
||||||||||
|
Gastropoda
|
||||||||||
|
Gastropoda indet.
Cuvier 1795
|
||||||||||
|
Bivalvia
|
||||||||||
|
Bivalvia indet.
Linnaeus 1758
|
||||||||||
|
Bivalvia
- Myalinida
- Inoceramidae
|
||||||||||
|
Inoceramus sp.
Sowerby 1814
|
||||||||||
|
Bivalvia
- Ostreida
- Pinnidae
|
||||||||||
|
Pinna sp.
Linnaeus 1758
|
||||||||||
|
Bivalvia
- Pectinida
- Pectinidae
|
||||||||||
|
cf. Camptonectes lens
(Sowerby 1818)
|
||||||||||
| originally entered as "Camptonectes cf. lens" | ||||||||||
|
Bivalvia
- Pectinida
- Limidae
|
||||||||||
|
Lima sp.
Bruguière 1797
|
||||||||||
|
Bivalvia
- Pectinida
- Buchiidae
|
||||||||||
|
Buchia volgensis
(Lahusen 1888)
|
||||||||||
|
Bivalvia
- Pectinida
- Oxytomidae
|
||||||||||
|
cf. Oxytoma expansa
|
||||||||||
| original and current combination Avicula (Oxytoma) | ||||||||||
| originally entered as "Oxytoma cf. expansa" | ||||||||||
|
Bivalvia
- Pectinida
- Entoliidae
|
||||||||||
|
Entolium sp.
(Meek 1865)
|
||||||||||
|
Bivalvia
- Pholadida
- Pleuromyidae
|
||||||||||
|
Pleuromya uralensis
|
||||||||||
| original and current combination Myacites (Pleuromya) | ||||||||||
|
Bivalvia
- Carditida
- Astartidae
|
||||||||||
|
Astarte sp.
Sowerby 1816
|
||||||||||
|
Bivalvia
- Nuculida
- Nuculidae
|
||||||||||
|
Nucula sp.
Lamarck 1799
|
||||||||||
|
Cephalopoda
- Ammonitida
- Polyptychitidae
|
||||||||||
|
Bojarkia bodylevskii
|
||||||||||
| spelled with current rank as Surites (Bojarkia) | ||||||||||
|
Bojarkia mesezhnikowi
Shulgina 1969
|
||||||||||
| recombined as Surites (Bojarkia) mesezhnikowi | ||||||||||
|
Tollia tolmatschowi
|
||||||||||
|
Tollia sp.
Pavlow 1914
|
||||||||||
|
Tollia tolli
Pavlow 1914
|
||||||||||
| recombined as Tollia (Tollia) tolli | ||||||||||
|
Cephalopoda
- Belemnitida
|
||||||||||
|
Lagonibelus sibiricus
|
||||||||||
|
Cephalopoda
- Belemnitida
- Belemnitidae
|
||||||||||
|
Cylindroteuthis porrectiformis
Anderson 1945
|
||||||||||
|
Belemnites indet.
|
||||||||||
|
Cephalopoda
- Belemnitida
|
||||||||||
|
Pachyteuthis curvula
|
||||||||||
|
Lingulata
- Lingulida
- Lingulidae
|
||||||||||
|
Lingula sp.
Bruguiére 1797
|
||||||||||
|
unclassified
|
||||||||||
|
Foraminifera indet.
Eichwald 1830
|
||||||||||
|
Nodosariata
- Robertinida
- Ceratobuliminidae
|
||||||||||
|
Reinholdella tatarica
|
||||||||||
|
Nodosariata
- Vaginulinida
- Vaginulinidae
|
||||||||||
|
Lenticulina raritas
|
||||||||||
|
Lenticulina gudinae
|
||||||||||
|
Nodosariata
- Nodosariida
- Nodosariidae
|
||||||||||
|
Astacolus bojarkensis
|
||||||||||
| see common names | ||||||||||
Geography
| Country: | Russian Federation | State/province: | Siberia |
| Coordinates: | 70.8° North, 97.6° East (view map) | ||
| Paleocoordinates: | 71.2° North, 81.5° East | ||
| Geographic resolution: | small collection |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Berriasian | 10 m.y. bin: | Cretaceous 1 | *Epoch: | Neocomian |
| Key time interval: | Berriasian | Zone: | Bojarkia mesezhnikowi |
| Age range of interval: | 145.00000 - 139.80000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Member: | V |
| Stratigraphic resolution: | member |
Lithology and environment
| Primary lithology: | gray,green argillaceous siltstone |
| Secondary lithology: | "limestone" |
| Environment: | marine indet. |
| Geology comments: lithology described as sandy, clayey silt with intercalations of finely sandy limestone; spherical and mass accumulations of calcareous siltstone concretions also present | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
| Taxonomic list comments:trace fossils include "galleries of detritus eaters" | |
Metadata
| Database number: | 2471 | ||
| Authorizer: | M. Patzkowsky | Enterer: | K. Layou |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 1999-07-05 11:41:02 | Last modified: | 2020-04-11 11:50:35 |
| Access level: | the public | Released: | 1999-07-05 11:41:02 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 73. | V. N. Saks, ed. 1975. The Jurassic-Cretaceous Boundary and the Berriasian Stage in the Boreal Realm. 1-319 [M. Patzkowsky/K. Layou/P. Wagner] |