Also known as Boston Mine
Where: Pennsylvania (41.4° N, 75.8° W: paleocoordinates 8.3° S, 14.6° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Llewellyn Formation, Westphalian D (309.8 - 307.5 Ma)
• Lowest productive coal measures or the roof shales of vein C. Vein C (or "Ross Coal") is in the base of the Llewellyn Formation, of Westphalian D age (Edmunds et al., 1979).
• group of beds-level stratigraphic resolution
Environment/lithology: terrestrial; lithified, black shale
Size classes: macrofossils, mesofossils
Preservation: mold/impression
Collected by R. D. Lacoe; reposited in the USNM
Primary reference: S. H. Scudder. 1879. Palaeozoic Cockroaches: A complete revision of the species of both worlds, with an essay toward their classification. Memoirs of the Boston Society of Natural History 3:23-134 [M. Clapham/J. Karr]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 114472: authorized by Matthew Clapham, entered by Matthew Clapham on 15.08.2011, edited by Jered Karr
Creative Commons license: CC BY (attribution)
Taxonomic list
Insecta | |
Necymylacris heros n. sp., "Necymylacris lacoanum n. sp." = Necymylacris lacoana
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