UCMP loc. D-5654, Mazourka Canyon, Inyo Mountains: Middle Ordovician, California
collected by Berry, Lawson and Yancey

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Hexactinellida - Lyssacinosa - Stiodermatidae
Hyalostelia sp.
5 specimens
Cystoidea
Cystoidea indet. von Buch 1846
1 specimen
cystoid
Cephalopoda - Actinocerida - Ruedemannoceratidae
Ruedemannoceras sp. Flower 1940
Ross and Barnes 1967
Cephalopoda - Bisonocerida - Padunoceratidae
Rossoceras sp. Flower 1964
Ross and Barnes 1967
Rhynchonellata - Orthida - Plectorthidae
Orthambonites patulus (Phleger 1933)
1 specimen
corrected as Plectorthis patula
Orthambonites mazourkensis (Phleger 1933)
3 specimens
original and current combination Plectorthis mazourkaensis
[Orthambonites mazousbensis]
Rhynchonellata - Pentamerida - Tetralobulidae
Rhysostrophia occidentalis Ulrich and Cooper 1936
2 specimens
Trilobita - Phacopida - Encrinuridae
Miracybele sp. Whittington 1965
1 specimen
see common names

Geography
Country:United States State/province:California
Coordinates: 36.9° North, 118.1° West (view map)
Paleocoordinates:5.8° South, 84.8° West
Basis of coordinate:based on political unit
Time
Period:Ordovician Epoch:Middle Ordovician
10 m.y. bin:Ordovician 2-3
*Period:Middle Ordovician
Key time interval:Middle Ordovician
Age range of interval:470.00000 - 458.40000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Badger Flat
Local section:Badger Flat Formation Section Local bed:42 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: "lower to mid M. Ord. below O. decipiens!"
Lithology and environment
Primary lithology: not reported
Environment:shallow subtidal indet.
Geology comments: "carbonate (nodular and silty ls). subtidal-lime mud (deeper than Orthidiella community). miogeocline.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Museum repositories:UCMP
Collectors:Berry, Lawson and Yancey
Taxonomic list comments:"Berry, Lawson and Yancey 1979. Ross 1967 Prof Pap. 523-D."
Metadata
Also known as:Rhysostrophia community
Database number:425
Authorizer:J. Sepkoski Enterer:M. Sommers
Modifier:J. Marcot Research group:marine invertebrate
Created:1998-12-08 10:00:43 Last modified:2022-08-09 15:13:58
Access level:the public Released:1998-12-08 10:00:43
Creative Commons license:CC BY
Reference information

Primary reference:

61151. W. B. N. Berry, D. A. Lawson, and E. S. Yancey. 1979. Species diversity patterns in some middle Ordovician communities from California-Nevada. Palaeogeography, Palaeoclimatology, Palaeoecology 26:99-116 [M. Uhen/J. Ju/J. Ju]

Secondary references:

25413 R. J., J.r. Ross and H. B. Barnes. 1967. Some Middle Ordovician Brachiopods and Trilobites from the Basin Ranges, Western United States. United States Geological Survey Professional Paper 523-D:D1-D4 [S. Finnegan/S. Finnegan/P. Wagner]