Rocky Mountains (Carboniferous of the United States)

Also known as Mississippian Fossils of Colorado

Where: Colorado (38.0° N, 107.7° W: paleocoordinates 6.8° S, 46.4° W)

• coordinate based on political unit

• basin-level geographic resolution

When: Leadville Limestone Formation, Mississippian (358.9 - 323.2 Ma)

• The Leadville Limestone comprises nearly all of the Mississippian rocks of Colorado

Environment/lithology: cherty/siliceous limestone and chert

• Limestone is most common. East of the mountains, chert is found and produces many fossils.

Size class: macrofossils

Preservation: cast

Primary reference: J. Chronic. 1961. Early and Middle Paleozoic Index Fossils. Rocky Mountain Association of Geologists 91-100 [T. Olszewski/M. Gibson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 10405: authorized by Tom Olszewski, entered by Melissa Gibson on 16.04.2001, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Pseudochaetes similis
Hormogoneae
 Oscillatoriales - Girvanellaceae
Girvanella nicholsoni
Cyanophyceae
  - Garwoodiaceae
Ortonella kershopensis, Garwoodia media
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia sp.
Leperditia sp. Rouault 1851 ostracod
Rhynchonellata
 Spiriferinida - Punctospiriferidae
Punctospirifer sp., Punctospirifer solidirostris
Punctospirifer sp. North 1920
 Terebratulida - Cranaenidae
Cranaena subelliptica
Cranaena subelliptica
var. hardingensis
 Spiriferida - Spiriferidae
Spirifer sp., Spirifer centronatus
Spirifer sp. Sowerby 1818
Spirifer centronatus Shimer 1926
Strophomenata
 Productida - Productidae
Dictyoclostus sp.
 Productida - Linoproductidae
Linoproductus sp.
 Orthotetida - Orthotetidae
Orthotetes sp., Orthotetes inequalis
Cephalopoda
 Pseudorthocerida - Pseudorthoceratidae
"Mooreoceras sp." = Pseudorthoceras
"Mooreoceras sp." = Pseudorthoceras Girty 1912
Rostroconchia
 Conocardiida - Conocardiidae
Conocardium sp.
Conocardium sp. Bronn 1835
Bivalvia
 Pectinida - Streblochondriidae
Streblopteria sp.
Streblopteria sp. McCoy 1851 scallop
Gastropoda
 Murchisoniina - Loxonematidae
Loxonema sp.
Loxonema sp. Phillips 1841 snail
 Bellerophontida -
Bellerophontoidea indet.
Bellerophontoidea indet. M'Coy 1851 snail
 Euomphalina - Platyceratidae
Platyceras sp.
Platyceras sp. Conrad 1840 snail
 Euomphalina - Euomphalidae
"Straparolus sp." = Straparollus
"Straparolus sp." = Straparollus de Montfort 1810 snail
Anthozoa
 Auloporida - Syringoporidae
Syringopora sp., Syringopora surcularia
Syringopora sp. Goldfuss 1826 tabulate coral
Syringopora surcularia Girty 1899 tabulate coral
 Stauriida - Cyathopsidae
Caninia sp.
Caninia sp. Michelin 1840 horn coral
 Stauriida - Hapsiphyllidae
"Triplophyllites sp." = Amplexizaphrentis, "Triplophyllites pamatus" = Amplexizaphrentis
"Triplophyllites sp." = Amplexizaphrentis Vaughan 1906 horn coral
"Triplophyllites pamatus" = Amplexizaphrentis horn coral
 Stauriida - Amplexidae
Amplexus sp.
Amplexus sp. Sowerby 1814 horn coral
Rhodophyceae
  - Solenoporaceae
Parachaetetes glenwoodensis
Chlorophyceae
 Dasycladales -
Coelosporella sp.