74B08 (Ordovician of Belgium)

Where: Belgium (50.4° N, 4.7° E: paleocoordinates 48.3° S, 9.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Spinachitina fossensis other zone, Faulx-les-Tombes Member (Fosses Formation), Rawtheyan (455.8 - 445.6 Ma)

• Middle Beds. Given as middle beds of Upper Half. NOTE: Spinachitina fossensis is not found here, but there beds are between the Conochitina rugata and Bursachitina umbilicata zones. Faulx-les-Tombes member overlies Bois de Presles member of Fosses. Fosses overlies Vitrival-Bruyère Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified, green, sandy shale

• Described as deepwater
• Green and dark-green slightly sandy shale with Tetraspis seticornis and Christiana tenuicincta

Size class: macrofossils

Preservation: cast

Collected by P. J. Lespérance in 1974

Primary reference: P. J. Lespérance and P. M. Sheehan. 1987. Trilobites et Brachiopodes ashgilliens (Ordovicien supérieur) de l'"Assise" de Fosse, Bande de Sambre-Meuse (Belgique). Bulletin-Institut royal des sciences naturelles de Belgique. Sciences de la terre 57:91-123 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 185305: authorized by Pete Wagner, entered by Pete Wagner on 18.04.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

• Specimens at Institut royal des sciences naturelles de Belgique
 Corynexochida - Panderiidae
Panderia sp. Volborth 1863 trilobite
 Corynexochida - Illaenidae
Stenopareia sp. Holm 1886 trilobite
 Aulacopleurida - Aulacopleuridae
Otarion sp. Zenker 1833 trilobite
 Phacopida - Encrinuridae
Atractopyge belgica n. sp. trilobite
 Lichida - Lichidae
Lichas sp. Dalman 1827 trilobite
 Billingsellida - Gonambonitidae
Kullervo complectens2 Wiman 1907
Kullervo complectens albida
 Strophomenida - Sowerbyellidae
Anisopleurella sp.2 Cooper 1956
 Strophomenida - Leptestiidae
 Strophomenida - Strophomenidae
"Costistrophomena costata" = Katastrophomena (Costistrophomena) costata2
"Costistrophomena costata" = Katastrophomena (Costistrophomena) costata2 Sheehan 1987
 Atrypida - Cyclospiridae
? Cyclospira sp.2 Hall and Clarke 1893
 Orthida - Saukrodictyidae
Saukrodictya wrighti2 Sheehan 1987
 Orthida - Dalmanellidae
"Dalmanella sambrensis" = Onniella jonesi2
"Dalmanella sambrensis" = Onniella jonesi2 Davidson 1883
 Orthida - Glyptorthidae
 Orthida - Orthidae
 Orthida - Productorthidae
Nicolella "sp. B"2 Reed 1917