ammonites
Llandovery Area, Dyfed, LL6 (Silurian to of the United Kingdom)

Where: Llandovery, United Kingdom (52.7° N, 2.0° W: paleocoordinates 30.9° S, 14.0° W)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Wormwood Formation, Aeronian to Aeronian (439.0 - 428.2 Ma)

• sedgwickii to turriculatus

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; argillaceous sandstone and calcareous mudstone

• BA 4 - taken from Cocks et al. 2003
• muddy sandstones and calcareous mudstones, thinly, well bedded, intensely bioturbated.

Collection methods: This reference is a taxonomic treatment of the trilobites of England and Wales. Localities at which the fossils occur are given for each species described. It is from this information that the list was put together. I therefore do not know how the taxa were collected.

Primary reference: N.J. Curtis and P.D. Lane. 1997. The Llandovery trilobites of England and Wales. Monograph of the Palaeontographical Society 151:1-101 [M. Patzkowsky/Z. Krug/Z. Krug] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 50159: authorized by Mark Patzkowsky, entered by Zack Krug on 09.05.2005