Craigfin (Silurian of the United Kingdom)

Where: Scotland, United Kingdom (55.3° N, 4.7° W: paleocoordinates 15.2° S, 23.2° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Monograptus sedgwickii graptolite zone, Lower Camregan Grits Formation, Aeronian (440.8 - 438.5 Ma)

Environment/lithology: deep-water; lithified sandstone

• Lower Camregan Grits Formation: medium- to thick-bedded graded sandstones of turbidite aspect containing abundant shelly faunas in places [Floyd and Williams 2003, Trans Roy Soc Edin 93: 383-392]

Size class: macrofossils

Preservation: mold/impression

Collected by Elizabeth Gray in ~1850-1920; reposited in the BMNH, OUM, SM

• Collections also in Hunterian Museum (Glasgow University), Birmingham University, Grant Institute of Geology (Edinburgh University), Institute of Geological Sciences (Edinburgh), Palaeontologisk Museum (Oslo), National Museum of Wales, Royal Scottish Museum

Primary reference: Y. Howells. 1982. Scottish Silurian trilobites. Monograph of the Palaeontographical Society 135(561):1-70 [M. Hopkins/M. Hopkins]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 188536: authorized by Melanie Hopkins, entered by Melanie Hopkins on 06.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Aulacopleurida - Aulacopleuridae
 Phacopida - Pterygometopidae
Podowrinella sp. Clarkson et al. 1977 trilobite
 Phacopida - Phacopidae
Acernaspis "sp. A" Campbell 1967 trilobite
 Phacopida - Encrinuridae
Encrinurus confusevarus Howells 1982 trilobite