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 (469.2 - 464.3 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
 Phacopida - Pliomeridae
"Pliomera fischeri" = Pliomera fisheri
"Pliomera fischeri" = Pliomera fisheri Eichwald 1825 trilobite
 Phacopida - Cheiruridae
 Asaphida - Asaphidae
Pseudasaphus sp. Schmidt 1901 trilobite
"Megalaspis heros" = Megistaspis trilobite
Megalaspis rudis Angelin 1854 trilobite
"Megalaspis extenuata" = Megistaspis (Megistaspidella) extenuata Wahlenberg 1821 trilobite
Asaphus raniceps Dalman 1827 trilobite
 Asaphida - Remopleurididae
Remopleurides sp. Portlock 1843 trilobite
 Trinucleida - Raphiophoridae
Ampyx nasutus Dalman 1827 trilobite
 Lichida - Lichidae
"Lichas celorrhin" = Metopolichas celorrhin, "Lichas verrucosus" = Metopolichas verrucosus
"Lichas celorrhin" = Metopolichas celorrhin Angelin 1854 trilobite
"Lichas verrucosus" = Metopolichas verrucosus Eichwald 1842 trilobite
 Harpetida - Harpetidae
Harpes sp. Goldfuss 1839 trilobite
 Corynexochida - Illaenidae