Bonnia-Olenellus Zone, Antietam Sandstone (Cambrian of the United States)

Where: Maryland (39.3° N, 76.6° W: paleocoordinates 78.7° S, 99.0° E)

• coordinate based on political unit

When: Bonnia - Olenellus zone, Antietam Sandstone Formation, Cambrian (541.0 - 485.4 Ma)

• "Bonnia-Olenellus Zone"

Environment/lithology: offshore; sandstone

• "light qtz-ss"

Size class: macrofossils

Primary reference: R. S. Bassler. 1919. Cambrian and Ordovician Formations of Maryland. Maryland Geological Survey 1-424 [P. Wagner/P. Wagner/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 265: authorized by Jack Sepkoski, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• "R.S. Bassler, 1919. Camb and Ord. formations of Maryland. Maryland Geol. Surv. 424pp."
Hyolitha
 Hyolithida - Hyolithidae
Hyolithes sp. d'Eichwald 1840
Obolellata
 Obolellida - Obolellidae
Obolella sp. Billings 1861
Trilobita
 Redlichiida - Olenellidae
Olenellus sp. Hall 1861 trilobite