Manning Canyon (Carboniferous of the United States)

Where: Utah (40.3° N, 112.1° W: paleocoordinates 2.8° S, 47.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Manning Canyon Shale Formation, Mississippian (358.9 - 323.2 Ma)

• This assemblage could be earliest Pennsylvanian - but I suspect it is in the Early Carboniferous (A.Raymond)

Environment/lithology: terrestrial; black, brown, gray, red, calcareous shale

• The shales are black, grey, brown, and red, weathering to black, purple, brown, and yellow. They are fissile, calcareous, and platy in many localities. (p. 7)

Size class: macrofossils

Preservation: mold/impression, adpression, permineralized, original carbon, replaced with hematite, replaced with limonite

Collection methods: Tidwell and students have been revisiting this group of localities for years. Taxonomic list is a general list for two major localities. These locs also have invertebrates associated with them.

Primary reference: W. D. Tidwell. 1967. Flora of Manning Canyon Shale, Part I: A lowermost Pennsylvanian flora from the Manning Canyon Shale, Utah, and its stratigraphic significance. Brigham Young University Geological Studies 14:3-66 [H. Sims/S. Ostrowski/J. Cassara]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 11209: authorized by Hallie Sims, entered by Summer Ostrowski on 23.07.2001, edited by Cheryl Metz

Creative Commons license: CC BY (attribution)

Taxonomic list

Holcospermum sp. Nathorst 1914
Tingia placida n. sp.
endemic to this locality?
  - Neuropteridae
"Neuropteris cf. pocahontas" = Neuralethopteris pocahontas, Cyclopteris dilatata
"Neuropteris cf. pocahontas" = Neuralethopteris pocahontas White 1900
Neuropteris heterophylla
"Neuropteris heterophylla" = Imparipteris heterophylla
"Neuropteris heterophylla" = Imparipteris heterophylla Brongniart 1825
 Zygopteridae - Zygopteridae
Corynepteris angustissima
same as Alloiopteris
 Radiatopses - Medullosaceae
Neuropteris ampelina n. sp.
endemic to this locality?
 Peltaspermales - Peltaspermaceae
Odontopteris sp. Brongniart 1825
Tidwell does not id at species level
Sphenopteridium zaitzeffii n. sp.
endemic to this locality?
Sphenopteridium dissectum
 Equisetales - Equisetidae
  - Polypodiaceae
Adiantites tenufolius
var difoliolatus, comb. nov.
Neuropteris gigantea
"Neuropteris gigantea" = Paripteris gigantea
"Neuropteris gigantea" = Paripteris gigantea Sternberg 1825
Stigmaria ficoides
Stigmaria ficoides Sternberg 1822
Crossopteris undulata n. sp.
endemic to this locality?
Crossopteris mcknightii n. sp.
endemic to this locality?
Crossopteris utahensis
Crossopteris utahensis n. gen. n. sp.
Crossopteris utahensis n. gen. n. sp. Tidwell 1967
genus endemic to this loc?, most common thing here - approx. 70% of fossils
  - Sphenopteridae
Sphenopteris diphlebia n. sp.
endemic to this locality?
Lagenospermum discissium n. sp.
endemic to this locality?
 Cordaitales -
 Lepidodendrales - Lepidodendraceae
 Cordaitanthales -
Cordaites "Sp. A" Unger 1850
venation indistinct, probably not a distinct species
Cordaites "Sp. B" Unger 1850
venation indistinct, shaped like C. lingulatus
 Coniferales -
Cornucarpus longicaudatus n. sp.
endemic to this locality?
Rigbyocarpus ebracteatus
Rigbyocarpus ebracteatus n. gen. n. sp.
Rigbyocarpus ebracteatus n. gen. n. sp. Tidwell 1967
endemic to this locality?