Where: United Kingdom (52.5° N, 2.8° W: paleocoordinates 49.5° S, 17.2° W)

• coordinate estimated from map

When: Amorphognathus superbus conodont zone, Crosspipes Member (Cheney Longville Formation), Marshbrookian (455.0 - 454.0 Ma)

• "zone of Dalmanella wattsi", in Siveter (1976)

• member-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size classes: macrofossils, mesofossils

Primary reference: D. J. Siveter. 1977. The Middle Ordovician of the Oslo Region, Norway, 27. Trilobites of the Family Calymenidae. Norsk Geologisk Tidsskrift 56:335-396 [B. Kröger/B. Kröger/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 167233: authorized by Björn Kröger, entered by Björn Kröger on 09.03.2015, edited by Pete Wagner

Creative Commons license: CC BY (attribution)