Gap Creek Section. ~41 meters (Ordovician of Australia)

Also known as The Gap

Where: Tasmania, Australia (42.7° S, 146.5° E: paleocoordinates 10.2° N, 165.8° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Tetragraptus approximatus graptolite zone, Mt. Field Siltstone Member (Florentine Valley Formation), Lancefieldian (485.4 - 476.8 Ma)

• La3

• group of beds-level stratigraphic resolution

Environment/lithology: marine; calcareous siltstone

• dark grey calcareous siltstone

Size class: macrofossils

Preservation: cast

Primary reference: J. R. Laurie. 1980. Early Ordovician orthide brachiopods from southern Tasmania. Alcheringa 4(1):11-23 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 186101: authorized by Pete Wagner, entered by Pete Wagner on 12.06.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Billingsellida - Polytoechiidae
Tritoechia lewisi Brown 1948
Rhynchonellata
 Pentamerida - Tetralobulidae