Gillberga 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, gray limestone

• purely gray limestone with gradually increasing amounts of glauconite upsection

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 188218: authorized by Melanie Hopkins, entered by Melanie Hopkins on 25.08.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Corynexochida - Illaenidae
 Phacopida - Pterygometopidae
Pterygometopus sp. Schmidt 1881 trilobite
 Asaphida - Asaphidae
"Megalaspis acuticauda" = Megistaspis (Megistaspidella) acuticauda Angelin 1854 trilobite
"Asaphus ? lepidurus" = Asaphus (Asaphus) lepidurus Nieszkowski 1859 trilobite
 Asaphida - Raphiophoridae
Ampyx nasutus trilobite
Craniata
 Craniida - Craniidae
Pseudocrania sp. M'Coy 1851