USGS. loc. M1135, south end of Chastain Ridge, Klamath Mountains (Silurian of the United States)

Also known as Reef 2408; Willow Creek area

Where: Siskiyou County, California (41.5° N, 122.6° W: paleocoordinates 6.5° S, 66.8° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Gazelle Formation, Ludlow (427.4 - 423.0 Ma)

• Near contact of unit 3 massive limestone and unit 1, Gazelle Formation.

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified, massive, argillaceous limestone

Size class: macrofossils

Reposited in the USGS

Collection methods: peel or thin section,

Primary reference: C. W. Merriam. 1972. Silurian rugose corals of the Klamath Mountains region, California. United States Geological Survey Professional Paper 738:1-50 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 229583: authorized by Jonathan Marcot, entered by Jonathan Marcot on 18.03.2023

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Stauriida - Kyphophyllidae
Wintunastraea stanleyi n. gen. n. sp.
Wintunastraea stanleyi n. gen. n. sp. Merriam 1972 horn coral
 Stauriida - Ptenophyllidae
Shastaphyllum schucherti
Shastaphyllum schucherti Merriam 1972 horn coral
 Stauriida - Laccophyllidae
Syringaxon sp.
Syringaxon sp. Lindström 1882 horn coral
 Cystiphyllida - Cystiphyllidae
Cystiphyllum "sp. c"
Cystiphyllum "sp. c" Lonsdale 1839 horn coral
 Rugosa -
? Orthophyllum sp.
? Orthophyllum sp. Pocta 1902 horn coral
Trilobita
 Phacopida - Encrinuridae
Encrinurus sp.
Encrinurus sp. Emmrich 1844 trilobite
Rhynchonellata
 Pentamerida - Gypidulidae
Gypidula sp.
Gypidula sp. Hall 1867