Stirnas-18 908.5. - 908.0 m: Porkuni, Estonia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
Strophomenata - Orthotetida - Triplesiidae
Cliftonia sp. Foerste 1909
Cliftonia aff. psittacina (Wahlenberg 1821)
Strophomenata - Orthotetida - Chilidiopsidae
Coolinia sp. Bancroft 1949
spelled with current rank as Fardenia (Coolinia)
Strophomenata - Strophomenida - Leptostrophiidae
Eostropheodonta sp. Bancroft 1949
Strophomenata - Strophomenida - Glyptomenidae
Proboscisambon sp. Havlicek and Mergl 1982
Jakobsen et al. 2014
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Plectothyrella sp. Temple 1965
Plectothyrella crassicosta (Dalman 1828)
Atrypa crassicostis
Rhynchonellata - Athyridida - Meristellidae
Hindella sp. Davidson 1882
Hindella cf. cassidea (Dalman 1828)
Trilobita - Phacopida - Dalmanitidae
Mucronaspis sp. Destombes 1963
Mucronaspis mucronata (Brongniart 1822)
recombined as Mucronaspis (Songxites) mucronatus
see common names

Geography
Country:Estonia
Coordinates: 55.9° North, 21.6° East (view map)
Paleocoordinates:30.3° South, 1.3° West
Geographic resolution:outcrop
Time
Period:Ordovician Epoch:Late/Upper Ordovician
Stage:Hirnantian 10 m.y. bin:Ordovician 5
Key time interval:Porkuni Other zone: Conochitina scabra
Age range of interval:445.60000 - 443.70000 m.y. ago
Stratigraphy
Formation:Kuldiga Member:Edole
Local section:Stirnas-18 Local bed:908.5. - 908.0 m
Local order:bottom to top
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:brown,gray silty "limestone"
Secondary lithology:gray,green silty,calcareous marl
Includes fossils?Y
Includes fossils?Y
Lithology description: Greenish-grey to grey silty calcareous marlstone intercalating with silty brownish-grey to grey limestone (Fig. 5J–L). Stromatolite-like microlaminated structures occur at some levels (Fig. 5K); strong bioturbation with burrows up to 2–3 mm in diameter is characteristic.
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:151997
Authorizer:P. Wagner, B. Kröger Enterer:P. Wagner, B. Kröger
Modifier:P. Wagner Research group:marine invertebrate
Created:2013-11-01 22:56:18 Last modified:2013-11-03 19:54:35
Access level:the public Released:2013-11-01 22:56:18
Creative Commons license:CC BY
Reference information

Primary reference:

48617. L. Hints, O. Hints, D. Kaljo, T. Kiipli, P. Männik, J. Nõlvak, and H. Pärnaste. 2010. Hirnantian (latest Ordovician) bio- and chemostratigraphy of the Stirnas-18 core, western Latvia. Estonian Journal of Earth Sciences 59(1):1-24 [P. Wagner/P. Wagner]

Secondary references:

56587 K. G. Jakobsen, G. A. Brock, A. T. Nielsen, D. K. Mathieson, and D. A. Harper. 2014. Brachiopods associated with stromatoporoid mounds from the Middle to Upper Ordovician Cashions Creek Limestone, Tasmania. Memoirs of the Association of Australasian Palaeontologists 45 45:249-265 [B. Kröger/B. Kröger]