Lower Arenig composite, Narke, Sweden: Arenig, Sweden

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhombifera - Cheirocrinidae
Cheirocrinus sp. Eichwald 1856
Rhynchonellata - Protorthida - Protorthidae
? Protorthis sp.
originally entered as "Protorthis? sp."
Rhynchonellata - Orthida - Lycophoriidae
Lycophoria sp. Lahusen 1885
Rhynchonellata - Orthida - Productorthidae
? Productorthis sp. Kozlowski 1927
originally entered as "Productorthis? sp."
Rhynchonellata - Orthida - Eoorthidae
? Apheoorthis sp. Ulrich and Cooper 1936
originally entered as "Apheoorthis? sp."
Rhynchonellata - Orthida - Plectorthidae
? Nanorthis sp. Ulrich and Cooper 1936
originally entered as "Nanorthis? sp."
Cephalopoda - Endocerida - Endoceratidae
? Endoceras sp. Hall 1847
originally entered as "Endoceras? sp."
Cephalopoda - Ellesmerocerida - Protocycloceratidae
? Protocycloceras sp. Hyatt 1900
originally entered as "Protocycloceras? sp."
Agnostida - Metagnostidae
Geragnostus sp. Howell 1935
Trinodus sp. M'Coy 1846
Trilobita - Corynexochida - Styginidae
Raymondaspis sp. Pribyl 1948
Trilobita - Corynexochida - Leiostegiidae
Agerina sp. Tjernvik 1956
Trilobita - Olenida - Eulomidae
Euloma sp. Angelin 1854
Trilobita - Olenida - Olenidae
Triarthrus sp. Green 1832
Trilobita - Phacopida - Pliomeridae
Pliomerops sp. Raymond 1905
Trilobita - Phacopida - Cheiruridae
Cyrtometopus sp. Angelin 1854
? Sphaerexochus sp. Beyrich 1845
originally entered as "Sphaerexochus? sp."
Trilobita - Harpetida - Harpididae
Harpides sp. Beyrich 1846
Trilobita - Harpetida - Harpetidae
Selenoharpes sp. Whittington 1950
synonym of Scotoharpes
Trilobita - Trinucleida - Raphiophoridae
Ampyx sp. (Dalman 1827)
original and current combination Asaphus (Ampyx)
Trilobita - Asaphida - Nileidae
Varvia sp. Tjernvik 1956
Nileus sp. Dalman 1827
Symphysurus sp. Goldfuss 1843
Trilobita - Asaphida - Cyclopygidae
Cyclopyge sp. Hawle and Corda 1847
Trilobita - Asaphida - Asaphidae
Lapidaria sp. Tjernvik 1956
Niobe sp. Angelin 1851
Niobella sp. Reed 1931
spelled with current rank as Niobe (Niobella)
Asaphus sp. Brongniart 1822
Promegalaspides sp. Westergård 1939
Megalaspides sp. Brögger 1886
Megistaspis sp. Jaanusson 1956
Plesiomegalaspis sp. (Thoral 1946)
reassigned as Kayseraspis (Plesiomegalaspis)
Trilobita - Asaphida - Remopleurididae
Apatokephalus sp. Brögger 1896
? Menoparia sp. Ross 1951
originally entered as "Menoparia? sp."
Remopleuridiella sp. Ross 1951
Trilobita - Ptychopariida - Raymondinidae
? Glaphurina sp. Ulrich 1930
originally entered as "Glaphurina? sp."
Trilobita - Ptychopariida - Shumardiidae
Shumardia sp. Billings 1862
see common names

Geography
Country:Sweden
Coordinates: 59.0° North, 15.0° East (view map)
Paleocoordinates:38.0° South, 10.7° West
Geographic resolution:local area
Time
Period:Ordovician
10 m.y. bin:Ordovician 2
*Period:Early/Lower Ordovician *Epoch:Early/Lower Arenig
Key time interval:Arenig
Age range of interval:477.70000 - 468.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphy comments: No stratigraphic units named
Lithology and environment
Primary lithology:glauconitic lithified "limestone"
Environment:offshore shelf
Geology comments: Variegated, glauconitic limestone
Taphonomy
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:3196
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Research group:marine invertebrate
Created:1999-07-27 14:56:05 Last modified:1999-07-27 22:00:50
Access level:the public Released:2000-11-20 13:53:18
Creative Commons license:CC BY
Reference information

Primary reference:
111. T. E. Tjernvik. 1956. On the Early Ordovician of Sweden stratigraphy and fauna. Bulletin of the Geological Institutions of the University of Uppsala 36(6):109-284 [A. Miller/P. Novack-Gottshall/A. Clement]