USGS loc. M1134, south fork of Grouse Creek, Klamath Mountains (Silurian to of the United States)

Also known as Reef 2408

Where: Siskiyou County, California (41.3° N, 122.7° W: paleocoordinates 7.2° S, 66.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Gazelle Formation, Ludlow to Ludlow (427.4 - 419.2 Ma)

• Late Silurian or Early Devonian

• group of beds-level stratigraphic resolution

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

• Dark-gray silty limestone with well-preserved fossils.

Size class: macrofossils

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 79807: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.03.2008, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Stromatoporoidea
 Stromatoporoidea -
Stromatoporoidea indet.
Stromatoporoidea indet. stromatoporoid sponge
Anthozoa
 Favositida - Favositidae
Favosites sp.
Favosites sp. Lamarck 1816 tabulate coral
"massive"
 Favositida - Pachyporidae
Cladopora sp.
Cladopora sp. Hall 1851 tabulate coral
"slender"
 Stauriida - Kyphophyllidae
Kyphophyllum cf. greggi
Kyphophyllum cf. greggi Merriam 1972 horn coral
 Stauriida - Pycnostylidae
? Zelophyllum sp.
? Zelophyllum sp. Wedekind 1927 horn coral
"solitary?"
Trilobita
 Proetida - Proetidae
Proetus sp.
Proetus sp. Steininger 1831 trilobite
Craniata
 Craniopsida - Craniopsidae
"Pholidops sp." = Craniops
"Pholidops sp." = Craniops Hall 1859
Lingulata
 Lingulida - Lingulidae
Lingula sp.
Lingula sp. Bruguiére 1797
"large form"
Strophomenata
 Strophomenida - Leptostrophiidae
"Stropheodonta (Brachyprion) cf. seretensis" = Brachyprion
"Stropheodonta (Brachyprion) cf. seretensis" = Brachyprion
Rhynchonellata
 Rhynchonellida - Camarotoechiidae
? Camarotoechia sp.
? Camarotoechia sp. Hall and Clarke 1893
 Orthida - Schizophoriidae
? Schizophoria cf. bisinuata
 Spiriferida - Ambocoeliidae
? Ambocoelia sp.
? Ambocoelia sp. Hall 1860
"ventral valves only"
 Atrypida - Glassiidae
? Glassia sp.
? Glassia sp. Davidson 1881
 Athyridida - Nucleospiridae
Nucleospira cf. ventricosa
 Athyridida - Meristellidae
? Whitfieldella sp.
? Whitfieldella sp. Hall and Clarke 1893
 Spiriferinida - Cyrtinidae
Cyrtina sp.
Cyrtina sp. Davidson 1858
"coarse ribbing"
Tentaculita
  -
Tentaculita indet.
Tentaculita indet. Boucek 1964
tentaculitids
Gastropoda
 Murchisoniina - Loxonematidae
Stylonema cf. potens
Stylonema cf. potens Perner 1907 snail
 Murchisoniina - Murchisoniidae
Murchisonia cf. bilineata
Murchisonia cf. bilineata Dechen 1832 snail
 Euomphalina - Euomphalidae
"Cyclonema carinatum" = Poleumita octavia
"Cyclonema carinatum" = Poleumita octavia d'Orbigny 1850 snail
 Euomphalina - Platyceratidae
"Cyclonema cf. bilex" = Cyclonema bilix
"Cyclonema cf. bilex" = Cyclonema bilix Conrad 1842 snail
Rostroconchia
 Conocardiida - Conocardiidae
Conocardium sp.
Conocardium sp. Bronn 1835
"small"