Gasworks #4 (Silurian of the United Kingdom)

Where: Wales, United Kingdom (51.8° N, 5.0° W: paleocoordinates 36.9° S, 17.9° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Gasworks Mudstones (?) Member (Haverford Mudstone Formation), Rhuddanian (443.4 - 440.8 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siltstone

• Preservation seems to be external molds.

Size class: macrofossils

Primary reference: S. K. Donovan. 1993. A Rhuddanian (Silurian, Lower Llandovery) pelmatozoan fauna from south-west Wales. Geological Journal 28:1-19 [J. Alroy/M. Sommers/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3482: authorized by John Alroy, entered by Mike Sommers on 02.08.1999, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• Crinoids (pelmatozoans) only.
Show authors, comments, and common names
Gastropoda
 Bellerophontida - Bellerophontidae
Cymbularia turnbulli
Cymbularia turnbulli Reed 1921 snail
Crinoidea
 Diplobathrida - Rhodocrinitidae
Chaosocrinus ornatus
Chaosocrinus ornatus Sea lily
sp. nov.