Gullhogen Mudstone Assemblage, Vastergotland, Sweden (Ordovician of Sweden)

Where: Sweden (58.0° N, 14.0° E: paleocoordinates 36.3° S, 9.2° W)

• local area-level geographic resolution

When: Gullhogen Mudstone Formation, Early/Lower Llandeilo (466.0 - 460.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: basinal (); lithified, gray shale and lime mudstone

• Dark grey mudstones with irregular nodules and thin beds of lime mudstone

Primary reference: V. Jaanusson. 1965. The Viruan (Middle Ordovician) of Kinnekulle and northern Billingen, Vastergotland. Bulletin of Geological Institutions of the University of Uppsala 43(1):1-73 [A. Miller/P. Novack-Gottshall/A. Clement]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 2939: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 22.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Styginidae
Bronteopsis sp. Nicholson and Etheridge 1879 trilobite
 Corynexochida - Illaenidae
Illaenus sp. Dalman 1827 trilobite
 Agnostida - Metagnostidae
Trinodus sp. M'Coy 1846 trilobite
 Phacopida - Pterygometopidae
Estoniops sp. Mannil 1958 trilobite
 Phacopida - Cheiruridae
Sphaerocoryphe sp. Angelin 1854 trilobite
 Proetida - Telephinidae
Telephina sp. Marek 1952 trilobite
 Asaphida - Asaphidae
Ogygiocaris sp. Angelin 1854 trilobite
Pseudomegalaspis sp. Jaanusson 1953 trilobite
? Pseudobasilicus sp. Reed 1930 trilobite
originally entered as "Pseudobasilicus? sp."
Pseudoasaphus sp. Schmidt 1901 trilobite
 Asaphida - Remopleurididae
Remopleurides sp. Portlock 1843 trilobite
 Asaphida - Nileidae
Nileus sp. Dalman 1827 trilobite
 Asaphida - Dionididae
Trinucleoides sp. Raymond 1917 trilobite
 Asaphida - Trinucleidae
Reedolithus sp. Bancroft 1929 trilobite
 Leperditiacea - Leperditellidae
Conchoprimitia sp. Opik 1935 ostracod
 Beyrichiacea - Tetradellidae
Steusloffia sp. Ulrich and Bassler 1908 ostracod
 Beyrichiacea - Sigmoopsiidae
Sigmobolbina sp. Henningsmoen 1953 ostracod
 Beyrichiacea - Eurychilinidae
Laccochilina sp. Hessland 1949 ostracod
 Palaeocopida -
Sigmoopsis sp. ostracod
Euprimites sp. ostracod
 Mimospirida - Clisospiridae
Clisospira sp. Billings 1865
 Orthocerida - Lituitidae
? Ancistroceras sp. Remele 1881
originally entered as "Ancistroceras? sp."
? Lituites sp. Bertrand 1763
originally entered as "Lituites? sp."
 Tarphycerida - Trocholitidae
? Trocholites sp. Conrad 1838
originally entered as "Trocholites? sp."
? Curtoceras sp. Ulrich et al. 1942
originally entered as "Curtoceras? sp."
 Graptoloida -
 Bireclinata - Retiolitidae
 Bireclinata -
Dicellograptus sp. Hopkinson 1871 graptoloid