Haget trilobites, bed "c" (Ordovician of Sweden)

Where: Sweden (57.3° N, 17.0° E: paleocoordinates 38.3° S, 8.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Asaphus expansus trilobite zone, 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, glauconitic, nodular marl

• dark green soft, marly limestone, rich in small grains of glauconite, containing occasional hard lenses of hard, lighter-colored limestine with a higher percentage of CaCO3.

Size class: macrofossils

Collected in 1947

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 188270: authorized by Melanie Hopkins, entered by Melanie Hopkins on 27.08.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Phacopida - Pterygometopidae
Pterygometopus sp. Schmidt 1881 trilobite
 Asaphida - Asaphidae
Asaphus expansus Wahlenberg 1821 trilobite
Asaphus ? raniceps Dalman 1827 trilobite
 Billingsellida - Polytoechiidae
 Billingsellida - Clitambonitidae
 Orthida - Orthidae
Orthambonites sp. Pander 1830
 Orthida - Lycophoriidae
Lycophoria nucella Dalman 1828
 Trepostomata - Monticuliporidae
? Monticulipora sp. Dorbigny 1850
 Conulariida - Conulariidae