Karavelyovo: Pliensbachian, Bulgaria

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Spiriferinida - Spiriferinidae
Spiriferina haueri
23 %-specimens
Liospiriferina alpina (Oppel 1861)
35 %-specimens
subsp. alpina (3%) and falloti (32%)
Rhynchonellata - Terebratulida - Zeilleriidae
Aulacothyris resupinata (Sowerby 1816)
10 %-specimens
Zeilleria quadrifida (Lamarck 1819)
18 %-specimens
Rhynchonellata - Rhynchonellida - Rhynchonellidae
Homoeorhynchia almaensis
9 %-specimens
see common names

Geography
Country:Bulgaria
Coordinates: 42.9° North, 27.2° East (view map)
Paleocoordinates:21.2° North, 27.7° East
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Early/Lower Jurassic
Stage:Pliensbachian 10 m.y. bin:Jurassic 2
Key time interval:Pliensbachian
Age range of interval:192.90000 - 184.20000 m.y. ago
Stratigraphy
Formation:Karavelyovo
Stratigraphic resolution:group of beds
Stratigraphy comments: Zeilleria quadrifida zone
Lithology and environment
Primary lithology: lithified "limestone"
Secondary lithology: lithified marl
Lithology description: alternating biodetrital limestones and marls
Environment:open shallow subtidal
Taphonomy
Modes of preservation:cast
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:106907
Authorizer:W. Kiessling Enterer:U. Merkel
Modifier:A. Khan Research group:marine invertebrate
Created:2011-03-29 23:08:34 Last modified:2013-08-20 16:52:58
Access level:the public Released:2011-03-29 23:08:34
Creative Commons license:CC BY
Reference information

Primary reference:

35662. P. Tchoumatchenco. 1996. Zonation and paleoecological distribution of Bulgarian Jurassic brachiopods. In P. Copper, J. Jin (eds.), Brachiopods 269-274 [W. Kiessling/U. Merkel]