Where: Lancashire, United Kingdom (53.6° N, 2.5° W: paleocoordinates 0.1° N, 7.4° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Wigan Four-Foot Coal Formation, Westphalian A (318.1 - 314.6 Ma)
• Roof shale of Wigan Four-Foot coal. Uppermost Westphalian A, Lower Modiolaris Chronozone, regularis faunal belt.
• group of beds-level stratigraphic resolution
Environment/lithology: interdistributary bay; lithified, nodular, sideritic shale
Size class: macrofossils
Preservation: mold/impression
Collected by C.A. Horrocks
• Repository: Bolton Museum
Primary reference: E. L. Gill. 1911. A Carboniferous arachnid from Lancashire. The Geological Magazine, New Series, Decade V 8:395-398 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 153490: authorized by Matthew Clapham, entered by Matthew Clapham on 22.12.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Arachnida | |
"Maiocercus orbicularis n. sp." = Maiocercus celticus
"Maiocercus orbicularis n. sp." = Maiocercus celticus Pocock 1902 |