Disused railway cutting N of Llanfallteg (Ordovician of the United Kingdom)

Also known as locality 5

Where: Wales, United Kingdom (51.8° N, 4.7° W: paleocoordinates 58.8° S, 20.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Didymograptus artus graptolite zone, Llanfallteg Formation, Abereiddian (468.0 - 461.1 Ma)

• "Llanfallteg Formation. Top of Abereiddian Stage, Llanvirn Series, artus Biozone." (Evans, 2005)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; gray mudstone

• The Llanfallteg formation marks a shallowing compared to the underlying Pontyfenni but still appears to be deposited in a considerable distance to the shore, below storm wave base. (e.g., Brenchley et al., 2006 p. 50).
• "light grey shales" (Brenchley et al., 2006 p. 50, in Brenchley & Rawson (eds.), The Geology of England and Wales).

Size class: macrofossils

Preservation: cast, replaced with other

Collection methods: NMW = National Museums and Galleries of Wales

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 89450: 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
Cephalopoda
 Lituitida - Sinoceratidae
? Rhynchorthoceras sp.
? Rhynchorthoceras sp. Remelé 1882
NMW 2001.7G.67
 Dissidocerida - Rangeroceratidae
Cyclorangeroceras blakei
Cyclorangeroceras blakei Evans 2005
NMW 88.30G.52a, b
 Orthocerida - Orthoceratidae
Michelinoceras avelinii, Michelinoceras cf. avelinii
Michelinoceras avelinii Salter 1854
NMW 88.30G.89, 88.30G.91 to 88.30G.94
Michelinoceras cf. avelinii Salter 1854
NMW 88.30G.90
Tergomya
 Cyrtonellida - Pollicinidae
Pollicina corniculum
Pollicina corniculum d'Eichwald 1860
NMW 2001.7G.1