Mud mound at Putilovo Quarry, section 17, sample 1, Volkhov Stage: Floian, Russian Federation

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Brachiopoda indet. Cuvier 1805
15 individuals
new genus
Strophomenata - Billingsellida - Polytoechiidae
Antigonambonites sp. Opik 1934
2 individuals
Strophomenata - Billingsellida - Clitambonitidae
Neumania informal sp. nov. Bruton and Harper 1981
1 individual
replaced by Palaeoneumania
Rhynchonellata - Orthida - Productorthidae
Productorthis aculeata (Pander 1830)
5 individuals
Rhynchonellata - Orthida - Archaeorthidae
Nothorthis penetrabilis Rubel 1961
9 individuals
Rhynchonellata - Orthida - Ranorthidae
Ranorthis informal sp. nov. Öpik 1939
78 individuals
Rhynchonellata - Orthida - Paurorthidae
Paurorthis parva (Pander 1830)
5 individuals
Orthambonites parva
Conodonta - Ozarkodinida
Periodon flabellum
Conodonta - Prioniodontida - Balognathidae
Trapezognathus quadrangulum Lindström 1955
Baltoniodus triangularis
Conodonta - Protopanderodontida - Drepanoistodontidae
Drepanoistodus forceps (Lindström 1955)
Conodonta - Protopanderodontida - Protopanderodontidae
Protopanderodus rectus (Lindstrom 1955)
Conodonta - Protopanderodontida - Cornuodontidae
Cornuodus longibasis (Lindström 1955)
see common names

Geography
Country:Russian Federation
Coordinates: 59.9° North, 31.4° East (view map)
Paleocoordinates:39.5° South, 0.6° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Ordovician Epoch:Early/Lower Ordovician
Stage:late Early Ordovician 10 m.y. bin:Ordovician 2
Key time interval:Floian
Age range of interval:477.70000 - 470.00000 m.y. ago
Stratigraphy
Formation:Volkhov Stage Member:Dikari
Local section:17 Local bed:Sample 1
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Baltoniodus triangularis conodont zone [JA: reassigned to the Floian because the triangularis zone is latest Floian]
Lithology and environment
Primary lithology: lithified claystone
Lithology description: the lower of two thick clay lenses; green clay with lens-shaped limestone pebbles
Environment:reef, buildup or bioherm
Geology comments: microbial mud mound
Taphonomy
Size of fossils:macrofossils,microfossils
Preservation of anatomical detail:good
Collection methods and comments
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Reef 2580
Database number:61790
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:J. Alroy Research group:marine invertebrate,micropaleontology
Created:2006-06-30 05:13:46 Last modified:2012-08-20 22:06:30
Access level:the public Released:2006-06-30 05:13:46
Creative Commons license:CC BY
Reference information

Primary reference:

17811. T. Tolmacheva, P. Fedorov, and E. Egerquist. 2003. Conodonts and brachiopods from the Volkhov Stage (Lower Ordovician) microbial mud mound at Putilovo Quarry, north-western Russia. Bulletin of the Geological Society of Denmark 50(1):63-74 [W. Kiessling/U. Merkel]