Where: Gotland, Sweden (57.3° N, 18.5° E: paleocoordinates 16.7° S, 2.2° W)

• coordinate based on unpublished field data

• outcrop-level geographic resolution

When: Silurognathus maximus conodont zone, Etelhem Formation (Hemse Group), Ludfordian (425.6 - 423.0 Ma)

• Hemse Beds, probably unit d. P. siluricus Zone, subz. 1; Silurognathus maximus Subzone of the Polygnathoides siluricus Zone

• formation-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified limestone

Size class: microfossils

Preservation: original phosphate

Collection methods: acetic, sieve

Primary reference: L. Jeppsson. 2005. Conodont-based revisions of the Late Ludfordian on Gotland, Sweden. Gff 127(4):273-282 [E. Jarochowska/E. Jarochowska]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 184920: authorized by Emilia Jarochowska, entered by Emilia Jarochowska on 29.03.2017

Creative Commons license: CC BY (attribution)