Long Quarry Beds, Capel Horeb Quarry (Silurian to of the United Kingdom)

Also known as Halfway Quarry

Where: Wales, United Kingdom (51.0° N, 3.0° W: paleocoordinates 26.0° S, 11.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Long Quarry Beds Member (Downtonian Formation), Ludfordian to Ludfordian (425.6 - 419.2 Ma)

• Fossils come from siltstone 10 m above the base of the Downtonian Stage and from the spoil heap below this layer. Ages given by Cleal & Thomas, 1995.

• bed-level stratigraphic resolution

Environment/lithology: coastal; gray siltstone

• suggested as probably littoral by Cleal and Thomas
• fine-grained grey sandstone, interbedded with micaceous layers; grey flaggy siltstone.

Size classes: macrofossils, microfossils

Preservation: adpression, coalified, original carbon, original sporopollenin

Collection methods: quarrying, surface (in situ), chemical, peel or thin section,

Primary reference: D. Edwards. 1970. Fertile Rhyniophytina from the Lower Devonian of Britain. Palaeontology 13(3):451-461 [P. Gensel/M. Kotyk]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 10635: authorized by Pat Gensel, entered by Michele Kotyk on 08.06.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

Archaeozonotriletes chulus3
var. inframurinatus
 Psilophytales -
Cooksonia sp.2 Lang 1937
cf. pertoni, axis with sporangium
  - Rhyniaceae
Steganotheca striata n. gen. n. sp.
Steganotheca striata n. gen. n. sp. Edwards 1970
  - Cooksoniaceae
cf. Renalia sp.1 Gensel 1976
Described Edwards & Rogerson 1979 as being similar to C. hemisphaerica sensu Ananiev & Stepanov. Left unnamed in this paper.