Penwhapple Glen (Silurian of the United Kingdom)

Where: Scotland, United Kingdom (55.3° N, 4.8° W: paleocoordinates 16.5° S, 21.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Monograptus spiralis graptolite zone, Lauchlan Formation, Telychian (438.5 - 433.4 Ma)

• Was in Monograptus crispus zone; however, this is now considered to be the Monograptus spiralis zone and Angochitina longicollis zone (Vandenbroucke, Verniers & Clarkson 2002)

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, red mudstone and lithified sandstone

• Lauchlan Formation: red and purple flaggy mudstones and sandstones [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 188539: authorized by Melanie Hopkins, entered by Melanie Hopkins on 06.09.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Illaenidae
? Bumastus vulsus Howells 1982 trilobite
Stenopareia catathema Howells 1982 trilobite
 Phacopida - Encrinuridae
Encrinurus mullochensis Reed 1931 trilobite
 Phacopida - Cheiruridae
Proromma sp. Lane 1971 trilobite
 Harpida - Harpetidae
Scotoharpes volsellatus Howells 1982 trilobite