74B15 (Ordovician of Belgium)

Where: Belgium (50.4° N, 4.6° E: paleocoordinates 44.9° S, 10.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Tanuchitina bergstroemi - Conochitina rugata other zone, Bois de Presles Member (Fosses Formation), Cautleyan (449.5 - 445.6 Ma)

• Middle to Upper Beds. Given as middle to upper beds of Lower Half. Bois de Presles member of Fosses Formation overlies Vitrival-Bruyère Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: deep-water; lithified, calcareous shale and lithified limestone

• Described as deepwater
• Grauwacke and calcareous shale, locally with some limestone beds

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 185312: 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
Trilobita
 Corynexochida - Illaenidae
Strophomenata
 Billingsellida - Gonambonitidae
Kullervo complectens2 Wiman 1907
Kullervo complectens albida
 Strophomenida - Sowerbyellidae
Anisopleurella sp.2 Cooper 1956
 Strophomenida - Aegiromenidae
Chonetoidea sp.2 Jones 1928
 Strophomenida - Leptestiidae
 Strophomenida - Christianiidae
Christiania magna2 Sheehan 1987
 Strophomenida - Strophomenidae
Strophomena sp.2 Rafinesque and De Blainville 1824
Rhynchonellata
 Protorthida - Skenidiidae
Skenidioides cf. craigensis2 Reed 1917
given as Skenidioides sp., but described as close to S. craigensis
 Orthida - Saukrodictyidae
Saukrodictya wrighti2 Sheehan 1987
 Orthida - Dicoelosiidae
Dicoelosia cf. lata2 Wright 1964
 Orthida - Dalmanellidae
"Dalmanella sambrensis" = Onniella jonesi2
"Dalmanella sambrensis" = Onniella jonesi2 Davidson 1883
 Orthida - Glyptorthidae
 Orthida - Orthidae
 Orthida - Orthidiellidae
 Orthida - Platystrophiidae