Franklin bioherms (Cambrian of the United States)

Also known as Reef 3769

Where: Sussex County, New Jersey (41.1° N, 74.6° W: paleocoordinates 33.8° S, 89.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Leithsville Formation, Botomian (516.0 - 512.9 Ma)

• lower Leithsville Formation, 3 m above the top of the Harliston Formation

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified, dolomitic bafflestone and lithified floatstone

• archaeocyath bioherms, dark gray dolomitic bafflestones and interreefal floatstones

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: M. A. S. McMenamin, F. Debrenne, and A. Y. Zhuravlev. 2000. Early Cambrian Appalachian archaeocyaths: further age constraints from the fauna of New Jersey and Virginia, USA. Geobios 33(6):693-708 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 81073: authorized by Wolfgang Kiessling, entered by Uta Merkel on 03.06.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita indet. Walch 1771 trilobite
Hyolitha indet. Marek 1963
Brachiopoda indet. Cuvier 1805
 Archaeocyathida - Archaeocyathidae
Archaeocyathus sp. Billings 1861 archaeocyath sponge
 Ajacicyathida - Ethmophyllidae
? Cordilleracyathus sp. Handfield 1971 archaeocyath sponge