Hunneberg Group Dark Limestone/Shale Biota, Vastergotland: Tremadocian - Floian, Sweden

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Malacostraca - Archaeostraca - Ceratiocarididae
? Ceratiocaris sp. M'Coy 1849
originally entered as "Ceratiocaris? sp."
Agnostida - Metagnostidae
Geragnostus sp. Howell 1935
Agnostida
Leiagnostus sp. Jaekel 1909
Trilobita - Phacopida - Pliomeridae
Pliomerops sp. Raymond 1905
Trilobita - Olenida - Olenidae
Saltaspis sp. Harrington and Leanza 1952
Triarthrus sp. Green 1832
? Parabolinella sp. Brögger 1882
originally entered as "Parabolinella? sp."
Trilobita - Ptychopariida - Shumardiidae
Shumardia sp. Billings 1862
Trilobita - Asaphida - Nileidae
Varvia sp. Tjernvik 1956
? Symphysurina sp. Ulrich 1924
originally entered as "Symphysurina? sp."
Symphysurus sp. Goldfuss 1843
Trilobita - Asaphida - Asaphidae
Promegalaspides sp. Westergård 1939
Plesiomegalaspis sp. (Thoral 1946)
reassigned as Kayseraspis (Plesiomegalaspis)
Megistaspis sp. Jaanusson 1956
Megalaspides sp. Brögger 1886
Niobe sp. Angelin 1851
Niobella sp. Reed 1931
spelled with current rank as Niobe (Niobella)
Lapidaria sp. Tjernvik 1956
Hunnebergia sp. Tjernvik 1956
Trilobita - Asaphida - Remopleurididae
Remopleuridiella sp. Ross 1951
Apatokephalus sp. Brögger 1896
Trilobita - Trinucleida - Alsataspididae
Orometopus sp. Broegger 1898
Falanapis sp. (Tjernvik 1956)
original and current combination Falanaspis
originally entered as "Falanaspis sp."
Trilobita - Corynexochida - Illaenidae
? Illaenus sp. Dalman 1827
originally entered as "Illaenus? sp."
Rhynchonellata - Protorthida - Protorthidae
? Protorthis sp.
originally entered as "Protorthis? sp."
Rhynchonellata - Orthida - Lycophoriidae
Lycophoria sp. Lahusen 1885
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."
Lingulata - Lingulida - Elkaniidae
Broeggeria sp. Walcott 1902
Lingulata - Acrotretida - Acrotretidae
Acrotreta sp. Kutorga 1848
Pterobranchia - Graptoloidea - Dichograptidae
Didymograptus sp. McCoy 1851
Pterobranchia - Graptoloidea - Phyllograptidae
Tetragraptus sp. Salter 1863
Phyllograptus sp. Hall 1858
see common names

Geography
Country:Sweden
Coordinates: 58.0° North, 14.0° East (view map)
Paleocoordinates:39.6° South, 13.6° West
Geographic resolution:local area
Time
Period:Ordovician Epoch:Early/Lower Ordovician
*Period:Early/Lower Ordovician - Middle Ordovician *Epoch:Early/Lower Arenig
Key time interval:Tremadocian - Floian
Age range of interval:485.40000 - 470.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Stratigraphy comments: Hunneberg Group
JA: originally entered as Arenig, but the Hunneberg is late Tremadocian to Floian (see Männik and Viira 2012)
Lithology and environment
Primary lithology:glauconitic,pyritic lithified "limestone"
Secondary lithology: "shale"
Environment:offshore shelf
Geology comments: Dark glauconitic limestone and dark, pyritic shale
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:3195
Authorizer:A. Miller Enterer:P. Novack-Gottshall
Modifier:J. Alroy Research group:marine invertebrate
Collections that are a subset of this one:163438
Created:1999-07-27 14:55:55 Last modified:2012-08-20 08:23:58
Access level:the public Released:1999-07-27 14:55:55
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]