Stream section at Whitsburn Dingle (Ordovician of the United Kingdom)

Also known as locality 23 (Evans, 2005); Shelve inlier

Where: England, United Kingdom (52.6° N, 3.0° W: paleocoordinates 58.4° S, 18.1° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Didymograptus artus graptolite zone, Stapeley Volcanic Member (Hope Shale Formation), Abereiddian (468.0 - 461.1 Ma)

• "Stapeley Volcanic Member, Hope Shale Formation. Abereiddian Stage, Llanvirn Series, artus Biozone" (Evans, 2005).

•" [...] shales in the Stapeley Volcanic Member of the Hope Shale Formation." (Evans & Cope, 2003).

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; shale and volcaniclastic

• "The presence of debris-flow deposits, some with well-rounded boulders up to 0.8 m across, have been interpreted as evidence of an emergent volcanic island as a source area, although generally the mudstones and the accumulations of volcanic detritus in the Hope Shale Formation were deposited in a relatively deep-water environment." (Brenchley et al., 2006 p. 51).
• " [...] massive waterlain andesitic tuffs, with some lavas, and interbedded shales [...] " (Toghill & Chell, 1984, Field Studies 6). " [...] the Stapeley Volcanic Member is dominated by basic volcaniclastic debris, mainly crystals and scoriaceous fragments, with no clear evidence of primary volcanic rocks." (Brenchley et al., 2006 p. 51, in Brenchley & Rawson (eds.), The Geology of England and Wales).

Size class: macrofossils

Preservation: cast

Reposited in the BMNH

Primary reference: D. H. Evans. 2005. The Lower and Middle Ordovician cephalopod faunas of England and Wales. Monograph of the Palaeontographical Society 623:1-81 [B. Kröger/B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 89442: authorized by Björn Kröger, entered by Torsten Liebrecht on 20.05.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Tergomya
 Cyrtonellida - Pollicinidae
Pollicina corniculum
Pollicina corniculum d'Eichwald 1860
BMNH C.79078; previously identified as Cyrtoceras multicameratum
Cephalopoda
 Orthocerida - Orthoceratidae
Michelinoceras avelinii
Michelinoceras avelinii Salter 1854
BMNH C.79079