Castle Reef Dolomite, lower and Sun River Mbrs. (Carboniferous of the United States)

Where: Montana (47.4° N, 105.6° W: paleocoordinates 5.8° S, 39.8° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Castle Reef Dolomite Formation, Osagean (353.8 - 342.8 Ma)

• "Mississippian; Castle Reef Dolo. lower mbr. and Sun River mbr."

• formation-level stratigraphic resolution

Environment/lithology: marine; dolomitic, cherty/siliceous limestone

• "ls and dolomitic ls, fairly massive, finely xtalline, some crinoidal beds and chert. BA4"

Size class: macrofossils

Primary reference: M. R. Mudge, W. J. Sando, and J. T. Dutro, Jr. 1962. Mississippian Rocks of Sun River Canyon Area, Sawtooth Range, Montana. AAPG Bulletin 46(11):2003-2018 [M. Uhen/J. Ju/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 564: authorized by Jack Sepkoski, entered by Mike Sommers on 14.01.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Mudge et al. 1962"
Anthozoa
 Auloporida - Syringoporidae
Syringopora sp. Goldfuss 1826 tabulate coral
 Favositida - Micheliniidae
Michelinia sp. de Koninck 1841 tabulate coral
 Stauriida - Uraliniidae
Vesiculophyllum sp. Easton 1944 horn coral
Enygmophyllum sp. Fomichev 1931 horn coral
 Stauriida - Cyathaxoniidae
Cyathaxonia sp. Michelin 1847 horn coral
 Stauriida - Ekvasophyllidae
Zaphriphyllum sp. Sutherland 1954 horn coral
Faberophyllum sp. Parks 1951 horn coral
 Stauriida - Aulophyllidae
? Rylstonia sp. Hudson and Platt 1927 horn coral
originally entered as "? Rylstonia sp."
 Stauriida - Antiphyllidae
Fasciculophyllum sp. Thomson 1883 horn coral
 Stauriida - Zaphrentoididae
Homalophyllites sp. Easton 1944 horn coral
Ankhelasma sp. Sando 1961 horn coral
 Stauriida - Hapsiphyllidae
Zaphrentites sp. Hudson 1941 horn coral
 Stauriida - Lonsdaleiidae
Thysanophyllum sp. Nicholson and Thomson 1876 horn coral
 Stauriida - Lithostrotionidae
Lithostrotion sp. Fleming 1828 horn coral
Trilobita
 Proetida -
Proetida indet. Fortey and Owens 1975 trilobite
trilobite, undet.
Strophomenata
 Strophomenida -
Strophomenida indet. Opik 1934
orthotetid brach
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
 Strophomenida - Chonetidae
Chonetes sp. Fischer de Waldheim 1830
 Productida - Productellidae
 Productida - Productidae
 Productida - Echinoconchidae
 Orthotetida - Schuchertellidae
Schuchertella sp. Girty 1904
Rhynchonellata
 Spiriferida - Imbrexiidae
 Spiriferida - Spiriferidae
Spirifer sp. Sowerby 1818
2 species
 Spiriferida - Brachythyrididae
? Brachythyris sp. M'Coy 1844
originally entered as "? Brachythyris sp."
 Spiriferida - Elythidae
? Torynifer sp.
originally entered as "? Torynifer sp."
 Spiriferinida - Dimegelasmidae
Dimegelasma sp. Cooper 1942
 Spiriferinida - Syringothyrididae
 Spiriferinida - Punctospiriferidae
Punctospirifer sp. North 1920
 Athyridida - Athyrididae
Composita sp. Brown 1849
Cleiothyridina sp. Buckman 1906
 Rhynchonellida - Rhynchonellidae
Rhynchonellidae indet. Gray 1848
rhynchonelloid brach - originally entered as "Rhynchonellida indet."
 Orthida - Rhipidomellidae
Stenolaemata
 Cystoporida - Cystodictyonidae
Cystodictya sp. Ulrich 1882
 Cystoporida - Sulcoreteporidae
? Sulcoretepora sp.
originally entered as "? Sulcoretepora sp."
 Cryptostomata -
Cryptostomata indet. Vine 1884
rhomboporoid bryozoan
 Cryptostomata - Fenestellidae
Fenestella sp. Lonsdale 1839
 Cryptostomata - Acanthocladiidae
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
pelecypod, undet.
Gastropoda
 Euomphalina - Euomphalidae
Straparollus sp. de Montfort 1810 snail
(Euomphalus)
 Bellerophontida -
Bellerophontida indet. Ulrich and Scofield 1897 snail
bellerophontacean gastropod
 Streptoneura -
Archaeogastropoda indet. Thiele 1925 snail
platyceratid gastropod
Conodontophorida
 Conodontophorida -
Gnathostomata
  -
Chondrichthyes indet. Huxley 1880 cartilaginous fish
cochliodont fish tooth
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
crinoidal debris