Where: Germany (51.6° N, 6.8° E: paleocoordinates 0.4° S, 13.6° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Horster Formation, Westphalian B (316.9 - 314.6 Ma)

• Upper Horster Shale (upper Westphalian B, 35-4 m below Agir Conglomerate)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithified shale

Size class: macrofossils

Preservation: mold/impression

Collection methods: Repository: Geologisch Institut Köln (GIK)

Primary reference: U. Jux. 1982. Somaspidion hammapheron n. gen, n. sp. - ein Arachnide aus dem Oberkarbon der subvaristischen Saumsenke NW Deutschlands. Paläontologische Zeitschrift 56:77-86 [M. Clapham/M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 155776: authorized by Matthew Clapham, entered by Matthew Clapham on 30.04.2014

Creative Commons license: CC BY (attribution)