McCloud Bridge East, Klamath Mountains, Palaeoaplysina biostromes (Permian of the United States)

Also known as Reef 261

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

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• zone A of McCloud Limestone

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified wackestone and lithified reef rocks

• 2 horizons with Palaeoaplysina biostromes

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: R. Watkins and E. C. Wilson. 1989. Paleoecologic and biogeographic significance of the biostromal organism Palaeoaplysina in the Lower Permian McCloud Limestone, Eastern Klamath Mountains, California. Palaios 4:181-192 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 75627: authorized by Wolfgang Kiessling, entered by Uta Merkel on 23.10.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Rhodophyceae
 Archaeolithophyllales - Palaoaplysinaceae
Palaeoaplysina sp. Krotov 1888
Foraminifera
 Foraminiferida -
"Foraminiferida indet." = Foraminifera
"Foraminiferida indet." = Foraminifera Eichwald 1830 foram
Hydrozoa
  - Nigriporellidae
Tubiphytes sp. Maslov 1956
Anthozoa
 Rugosa -
Rugosa indet. horn coral
 Auloporida - Syringoporidae
Syringopora sp. Goldfuss 1826 tabulate coral
Polychaeta
  -
Polychaeta indet. Grube 1850
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Pectinida - Streblochondriidae
Streblopteria sp. McCoy 1851 scallop
 Pectinida - Annuliconchidae
Annuliconcha sp. Newell 1938 scallop
Rhynchonellata
 Spiriferida - Ambocoeliidae
Crurithyris sp. George 1931
 Athyridida - Athyrididae
Composita sp. Brown 1849
 Spiriferinida -
Spiriferinida indet. Ivanova 1972
Strophomenata
 Productida - Echinoconchidae
 Productida - Marginiferidae
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily