Gunnarslund quarry trilobites (Ordovician of Sweden)

Where: Sweden (57.1° N, 16.9° E: paleocoordinates 38.5° S, 8.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Holen Formation, Kunda (468.1 - 463.5 Ma)

• Age and stratigraphy based on Nordlund 1989 (GFF 111:64-94) and Struresson 1986 (GFF 108:331-348).

Environment/lithology: marine; lithified, phosphatic limestone

• Limestone with small black-brown grains of phosphorite. Bohlin 1949 refers to this as the "brown-speckled limestone"

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: B. Bohlin. 1949. The Asaphus Limestone in northernmost Ă–land. Bulletin of the Geological Institution of the University of Uppsala 33:529-570 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 188284: authorized by Melanie Hopkins, entered by Melanie Hopkins on 27.08.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Illaenidae
 Phacopida - Cheiruridae
 Phacopida - Pliomeridae
 Harpida - Harpetidae
Harpes sp. Goldfuss 1839 trilobite
 Asaphida - Asaphidae
"Megalaspis extenuata" = Megistaspis, "Megalaspis heros" = Megistaspis, "Megalaspis rudis" = Megistaspis, "Isotelus" stacyi, Pseudasaphus sp., Asaphus raniceps
"Megalaspis extenuata" = Megistaspis trilobite
"Megalaspis heros" = Megistaspis trilobite
"Megalaspis rudis" = Megistaspis trilobite
Pseudasaphus sp. Schmidt 1901 trilobite
Asaphus raniceps Dalman 1827 trilobite
 Asaphida - Remopleurididae
Remopleurides sp. Portlock 1843 trilobite
 Asaphida - Raphiophoridae
Ampyx nasutus trilobite
 Lichida - Lichidae
"Lichas verrucosus" = Metopolichas verrucosus, "Lichas celorrhin" = Metopolichas celorrhin
"Lichas verrucosus" = Metopolichas verrucosus Eichwald 1842 trilobite
"Lichas celorrhin" = Metopolichas celorrhin Angelin 1854 trilobite