Gladys Colliery near Penllergaer Church, West Glamorgan (Carboniferous of the United Kingdom)

Where: Wales, United Kingdom (51.7° N, 4.0° W: paleocoordinates 0.1° N, 8.4° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Grovesend Formation, Westphalian D (309.8 - 307.5 Ma)

• Late Asturian; Late Westphalian D (four-foot seam of Swansea)

• bed-level stratigraphic resolution

Environment/lithology: mire or swamp; coal

• South Wales coal basin deposited in Variscan foreland basin; subsidence rates increased from Namurian to Westphalian D

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Museum of Practical Geology (specimens now likely at BMNH or BGS)

Primary reference: H. Bolton. 1911. On a collection of insect-remains from the south Wales coalfield. Quarterly Journal of the Geological Society 67:149-174 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 97599: authorized by Matthew Clapham, entered by Matthew Clapham on 11.08.2010, edited by Lindy Edwards

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Blattodea - Mylacridae
"Hemimylacris obtusa n. sp." = Sooblatta deanensis
"Hemimylacris obtusa n. sp." = Sooblatta deanensis Scudder 1895 cockroach
Museum of Practical Geology, Jermyn Street (no. 24510)