Where: Scotland, United Kingdom (57.3° N, 2.9° W: paleocoordinates 22.4° S, 6.5° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Dryden Flags Formation, Pragian (410.8 - 407.6 Ma)

• The Rhynie and Windyfield cherts found at Rhynie, Aberdeenshire, Scotland, both occurring in the Dryden Flags Formation (Rice et al. 2002), represent the surface expression of a metaliferous hydrothermal system that was active in the Rhynie area during the early Devonian (Pragian: Rice et al. 1995, 2002).

Environment/lithology: pond; lithified, stromatolitic, black, blue chert

Size classes: mesofossils, microfossils

Preservation: permineralized, replaced with silica

Collected by Hirst; reposited in the BMNH

Collection methods: peel or thin section,

Primary reference: S. Hirst. 1923. On some arachnid remains from the Old Red Sandstone (Rhynie Chert Bed, Aberdeenshire). The Annals and Magazine of Natural History, Ninth Series 12:455-474 [P. Gensel/M. Kotyk/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172777: authorized by Matthew Clapham, entered by Matthew Clapham on 22.08.2015

Creative Commons license: CC BY (attribution)