Where: Gotland, Sweden (57.4° N, 18.8° E: paleocoordinates 16.4° S, 2.2° W)

• coordinate based on unpublished field data

• outcrop-level geographic resolution

When: Polygnathoides siluricus conodont zone, Millklint Member (När Formation), Ludfordian (425.6 - 423.0 Ma)

• Hemse Beds, unit d. The taxon characteristic for subz. 2 of the P. siluricus Zone found from -0.2 m - +3.8 m, P. siluricus itself (very rare) at +3.6 -.8 m.

•Sample collected at –0.2 m below the reference level.

•Reference level (Fredholm 1988): The extensive rippled surface (Sundquist 1982c) which forms the floor in the southeastern part of the quarry.

• bed-level stratigraphic resolution

Environment/lithology: 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 184317: authorized by Emilia Jarochowska, entered by Emilia Jarochowska on 21.02.2017

Creative Commons license: CC BY (attribution)