UCMP D-857, Hirz Mountain (Permian of the United States)

Where: Shasta County, California (40.9° N, 122.2° W: paleocoordinates 12.1° N, 43.6° W)

• coordinate stated in text

When: D Member (McCloud Formation), Asselian (298.9 - 295.5 Ma)

• Beds 240 feet (73 meters) stratigraphically above D-855. Fusulinid zone D.

Environment/lithology: marine; lithified limestone and lithified, cherty/siliceous limestone

• Clear, shallow, warm marine water with full access to the open sea.
• Lithologic information from stratigraphic section in Fig. 2.

Size class: macrofossils

Reposited in the UCMP

Collection methods: peel or thin section,

• Fusulinids, cerioid and fasciculate rugose corals.

Primary reference: E. C. Wilson. 1982. Wolfcampian rugose and tabulate corals (Coelenterata: Anthozoa) from the Lower Permian McCloud Limestone of northern California. Contributions in Science, National History Museum of Los Angeles County 337:1-90 [T. Olszewski/L. Fall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 62671: authorized by Tom Olszewski, entered by Leigh Fall on 25.07.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Stauriida - Petalaxidae
Petalaxis besti n. sp.
Petalaxis besti n. sp. Wilson 1982 horn coral