Cameron Creek 'carbonate' fauna, Cameron Creek Fm.: Chesterian, Montana

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Stauriida - Hapsiphyllidae
Triplophyllites sp. Easton 1944
synonym of Amplexizaphrentis
Scyphozoa - Conulariida - Conulariidae
Conularia sp.
Crinoidea
Crinoidea indet. Miller 1821
crinoid ossicles
Ostracoda
Ostracoda indet. Latreille 1802
ostracodes
Trilobita - Proetida - Phillipsiidae
? Ameura sp. Weller 1936
originally entered as "? Ameura sp."
    = Weberides samwaysi Brezinski 2005
Brezinski 2005
Strophomenata - Productida - Linoproductidae
Linoproductus sp. (Chao 1927)
2 species
Strophomenata - Productida - Echinoconchidae
Echinoconchus sp.
Strophomenata - Productida - Productellidae
Antiquatonia sp. Miloradovich 1945
Strophomenata - Productida - Productidae
Dictyoclostus sp.
2 species
Rhynchonellata - Orthida - Schizophoriidae
Schizophoria sp. King 1850
Rhynchonellata - Athyridida - Athyrididae
Composita sp. Brown 1849
2 species
Rhynchonellata - Athyridida - Retziidae
Eumetria sp.
Rhynchonellata - Spiriferida - Brachythyrididae
Brachythyris sp. M'Coy 1844
Rhynchonellata - Spiriferida - Spiriferidae
Spirifer sp. Sowerby 1818
2 species
Rhynchonellata - Terebratulida - Cranaenidae
? Cranaena sp. Hall and Clarke 1893
originally entered as "? Cranaena sp."
Gastropoda - Pseudozygopleuridae
Pseudozygopleura sp. Knight 1930
    = Pseudozygopleura aff. scitula Meek and Worthen 1860
Easton 1962
from USNM 13363, not USNM 13361
Gastropoda - Euomphalina - Euomphalidae
Straparollus sp. de Montfort 1810
    = Amphiscapha informal sp. B Knight 1942
Wagner 2023
Gastropoda - Naticopsidae
Naticopsis sp. M'Coy 1844
    = Naticopsis cf. remex White 1876
Easton 1962
from USNM 13363, not USNM 13361
Gastropoda - Bellerophontida
Bellerophon sp. de Montfort 1808
    = informal Bellerophontoidea indet. M'Coy 1851
Wagner 2023
corrected as Bellerophontoidea
Gastropoda - Bellerophontida - Bellerophontidae
Retispira sp. Knight 1945
Gastropoda - Murchisoniina - Gosseletinidae
? Angyomphalus sp. Cossmann 1915
originally entered as "? Angyomphalus sp."
    = ? Angyomphalus excavatus n. sp. Easton 1962
Easton 1962
Bivalvia - Nuculanida - Nuculanidae
Nuculana sp. Link 1807
    = Nuculana biangulata n. sp. Easton 1962
Easton 1962
Bivalvia - Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851
    = ? Aviculopecten sp. M'Coy 1851
Easton 1962
original and current combination Aviculopecten
Bivalvia - Trigoniida - Schizodidae
Schizodus sp. King 1844
    = ? Schizodus sp.
Easton 1962
Bivalvia - Grammysiidae
Sphenotus sp. Hall 1884
    = Sphenotus altidorsata n. sp.
Easton 1962
Sphenotus is spelling in Easton.
Bivalvia - Sanguinolitidae
Allorisma sp. King 1844
2 species
    = Allorisma cf. walkeri Weller 1897
Easton 1962
recombined as Wilkingia walkeri
from USGS 13362 & 13363; Allorisma inflata Easton 1962 is from USGS 13360 & 13363
Cephalopoda - Nautilida - Trigonoceratidae
Aphelaeceras sp. Hyatt 1884
Algae
Algae indet.
calcareous algae
see common names

Geography
Country:United States State/province:Montana County:Meagher
Coordinates: 46.6° North, 110.8° West (view map)
Paleocoordinates:4.1° North, 38.3° West
Basis of coordinate:based on political unit
Time
Period:Carboniferous Epoch:Mississippian
10 m.y. bin:Carboniferous 2-3
*Local age/stage:Chester
Key time interval:Chesterian
Age range of interval:335.80000 - 323.20000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Cameron Creek
Stratigraphy comments: "Upper Miss. Chester. Lower Penn. Above Heath"
Lithology and environment
Primary lithology: cherty/siliceous "limestone"
Environment:shallow subtidal indet.
Geology comments: "fine grained buff pinkish grey ls, some nodular chert. shallow marine, away from apparent eastern source of siliciclastics. BA2"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:"Easton, 1962"
Metadata
Database number:579
Authorizer:A. Miller, P. Wagner Enterer:M. Sommers, P. Wagner
Modifier:M. Uhen Research group:marine invertebrate
Created:1999-01-19 14:33:29 Last modified:2017-02-01 19:25:19
Access level:the public Released:1999-01-19 14:33:29
Creative Commons license:CC BY
Reference information

Primary reference:
348. W. H. Easton. 1962. Carboniferous formations and faunas of central Montana. United States Geological Survey Professional Paper 348:1-126 [J. Alroy/M. Sommers/M. Uhen]

Secondary references:

44951 D. K. Brezinski. 2005. Paleobiogeographic patterns in Late Mississippian trilobites of the United States with new species from Montana. Annals of the Carnegie Museum 74(2):77-89 [P. Wagner/P. Wagner]
9042 P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner]