Cameron Creek 'carbonate' fauna, Cameron Creek Fm. (Carboniferous of the United States)

Where: Meagher County, Montana (46.6° N, 110.8° W: paleocoordinates 4.1° N, 38.3° W)

• coordinate based on political unit

When: Cameron Creek Formation, Chesterian (335.5 - 323.2 Ma)

• "Upper Miss. Chester. Lower Penn. Above Heath"

Environment/lithology: shallow subtidal; cherty/siliceous limestone

• "fine grained buff pinkish grey ls, some nodular chert. shallow marine, away from apparent eastern source of siliciclastics. BA2"

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 579: authorized by Arnold Miller, entered by Mike Sommers on 19.01.1999, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Easton, 1962"
Show authors, comments, and common names
Algae
 Algae -
Algae indet.
Algae indet.
calcareous algae
Scyphozoa
 Conulariida - Conulariidae
Conularia sp.
Conularia sp. jellyfish
Anthozoa
 Stauriida - Hapsiphyllidae
"Triplophyllites sp." = Amplexizaphrentis
"Triplophyllites sp." = Amplexizaphrentis Vaughan 1906 horn coral
Gastropoda
 Bellerophontida -
""Bellerophontoidea" indet." = Bellerophontoidea2
""Bellerophontoidea" indet." = Bellerophontoidea2 M'Coy 1851 snail
 Bellerophontida - Bellerophontidae
Retispira sp.
Retispira sp. Knight 1945 snail
 Euomphalina - Euomphalidae
Amphiscapha "sp. B"2
Amphiscapha "sp. B"2 Knight 1942 snail
 Neritoidea - Naticopsidae
Naticopsis cf. remex
Naticopsis cf. remex White 1876 snail
 Murchisoniina - Gosseletinidae
? Angyomphalus excavatus n. sp.
? Angyomphalus excavatus n. sp. Easton 1962 snail
originally entered as "? Angyomphalus sp."
 Zygopleuroidea - Pseudozygopleuridae
Pseudozygopleura aff. scitula
Pseudozygopleura aff. scitula Meek and Worthen 1860 snail
Cephalopoda
 Nautilida - Trigonoceratidae
Aphelaeceras sp.
Aphelaeceras sp. Hyatt 1884 nautiloid
Bivalvia
 Trigoniida - Schizodidae
? Schizodus sp.
? Schizodus sp. King 1844 clam
 Cardiidia - Sanguinolitidae
"Allorisma cf. walkeri" = Wilkingia walkeri
"Allorisma cf. walkeri" = Wilkingia walkeri Weller 1897 clam
2 species
 Cardiidia - Grammysiidae
Sphenotus altidorsata n. sp.
 Pectinida - Aviculopectinidae
"? Aviculopecten sp." = Aviculopecten
"? Aviculopecten sp." = Aviculopecten M'Coy 1851 scallop
 Nuculanida - Nuculanidae
Nuculana biangulata n. sp.
Nuculana biangulata n. sp. Easton 1962 pointed nut clam
Rhynchonellata
 Orthida - Schizophoriidae
Schizophoria sp.
Schizophoria sp. King 1850
 Spiriferida - Spiriferidae
Spirifer sp.
Spirifer sp. Sowerby 1818
2 species
 Spiriferida - Brachythyrididae
Brachythyris sp.
Brachythyris sp. M'Coy 1844
 Athyridida - Athyrididae
Composita sp.
Composita sp. Brown 1849
2 species
 Athyridida - Retziidae
Eumetria sp.
 Terebratulida - Cranaenidae
? Cranaena sp.
? Cranaena sp. Hall and Clarke 1893
originally entered as "? Cranaena sp."
Strophomenata
 Productida - Productellidae
Antiquatonia sp.
Antiquatonia sp. Miloradovich 1945
 Productida - Productidae
Dictyoclostus sp.
 Productida - Echinoconchidae
Echinoconchus sp.
 Productida - Linoproductidae
Linoproductus sp.
Linoproductus sp. Chao 1927
2 species
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod
ostracodes
Trilobita
 Proetida - Phillipsiidae
Weberides samwaysi1
Weberides samwaysi1 Brezinski 2005 trilobite
originally entered as "? Ameura sp."
Crinoidea
  -
Crinoidea indet.
Crinoidea indet. Miller 1821 Sea lily
crinoid ossicles
1Brezinski 2005; 2Wagner 2023