Lower Arenig autochthonous limestones in Jamtland region, Sweden (Ordovician of Sweden)

Where: Sweden (63.0° N, 15.0° E: paleocoordinates 34.3° S, 8.9° W)

• local area-level geographic resolution

When: Arenig (478.6 - 466.0 Ma)

Environment/lithology: offshore shelf; lithified, glauconitic, phosphatic, gray limestone

• Grey glauconitic limestone with phosphatized anthraco inclusions

Primary reference: 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]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3246: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 27.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Orthida - Lycophoriidae
Lycophoria sp.
Lycophoria sp. Lahusen 1885
 Orthida - Eoorthidae
? Apheoorthis sp.
? Apheoorthis sp. Ulrich and Cooper 1936
originally entered as "Apheoorthis? sp."
 Orthida - Plectorthidae
? Nanorthis sp.
? Nanorthis sp. Ulrich and Cooper 1936
originally entered as "Nanorthis? sp."
Artiopoda
 Agnostida - Metagnostidae
Geragnostus sp.
Geragnostus sp. Howell 1935
Trilobita
 Phacopida - Pliomeridae
Pliomerops sp.
Pliomerops sp. Raymond 1905 trilobite
 Olenida - Olenidae
Saltaspis sp.
Saltaspis sp. Harrington and Leanza 1952 trilobite
 Trinucleida - Raphiophoridae
Ampyx sp.
Ampyx sp. Dalman 1827 trilobite
 Trinucleida - Alsataspididae
"Falanapis sp." = Falanaspis
"Falanapis sp." = Falanaspis Tjernvik 1956 trilobite
originally entered as "Falanaspis sp."
 Asaphida - Cyclopygidae
Cyclopyge sp.
Cyclopyge sp. Hawle and Corda 1847 trilobite
 Asaphida - Nileidae
Varvia sp., Nileus sp.
Varvia sp. Tjernvik 1956 trilobite
Nileus sp. Dalman 1827 trilobite
 Asaphida - Asaphidae
Promegalaspides sp., "Plesiomegalaspis sp." = Asaphellus, Lapidaria sp., Niobe sp., "Niobella sp." = Niobe (Niobella)
Promegalaspides sp. Westergård 1939 trilobite
"Plesiomegalaspis sp." = Asaphellus Callaway 1877 trilobite
Lapidaria sp. Tjernvik 1956 trilobite
Niobe sp. Angelin 1851 trilobite
"Niobella sp." = Niobe (Niobella) Reed 1931 trilobite
 Asaphida - Remopleurididae
Apatokephalus sp.
Apatokephalus sp. Brögger 1896 trilobite
 Corynexochida - Styginidae
Raymondaspis sp.
Raymondaspis sp. Pribyl 1948 trilobite