Honaker Trail Formation, Moab, Utah, Unit 11C (Carboniferous to of the United States)

Where: Grand County, Utah (38.6° N, 109.6° W: paleocoordinates 3.5° N, 37.1° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Honaker Trail Formation, Kasimovian to Kasimovian (307.0 - 298.9 Ma)

• 10 feet thick; "Late Pennsylvanian"

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; shelly/skeletal, argillaceous limestone

• "Open marine"
• Argillaceous micritic skeletal limestone

Size class: macrofossils

Collection methods: surface (float), surface (in situ), mechanical, peel or thin section,

• Corals identified by acetate peel

Primary reference: R. A. Melton. 1972. Paleoecology and paleoenvironment of the upper Honaker Trail Formation near Moab, Utah. Brigham Young University Geology Studies 19(2):45-88 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 39988: authorized by David Bottjer, entered by Matthew Clapham on 13.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Proetida - Phillipsiidae
Ditomopyge sp. trilobite
Bivalvia
 Cardiidia - Sanguinolitidae
Wilkingia sp. Wilson 1959 clam
 Pholadomyida - Edmondiidae
Edmondia sp. de Koninck 1841 clam
Gastropoda
 Euomphalina - Euomphalidae
Straparollus sp. de Montfort 1810 snail
 Bellerophontida - Bellerophontidae
Pharkidonotus percarinatus Conrad 1842 snail
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
massive branching
Echinoidea
  -
Echinocrinus sp. Agassiz 1841 sea urchin
Strophomenata
 Productida - Echinoconchidae
"Juresania nebrascensis" = Parajuresania nebrascensis Owen 1852
 Productida - Productellidae
"Marginifera wabashensis" = Hystriculina wabashensis
"Marginifera wabashensis" = Hystriculina wabashensis Norwood and Pratten 1855
 Productida - Productidae
"Dictyoclostus americanus" = Reticulatia americana, "Marginifera lasallensis" = Kutorginella lasallensis
"Dictyoclostus americanus" = Reticulatia americana Dunbar and Condra 1932
"Marginifera lasallensis" = Kutorginella lasallensis Worthen 1873
 Productida - Rugosochonetidae
"Chonetes granulifer" = Neochonetes granulifer
"Chonetes granulifer" = Neochonetes granulifer Owen 1852
 Orthotetida - Derbyiidae
Rhynchonellata
 Athyridida - Athyrididae
Composita sp. Brown 1849
 Spiriferinida - Punctospiriferidae
"Punctospirifer kentuckyensis" = Punctospirifer kentuckensis
"Punctospirifer kentuckyensis" = Punctospirifer kentuckensis Shumard 1855
 Spiriferida - Trigonotretidae
 Spiriferida - Elythidae
"Phricodothyris perplexa" = Condrathyris perplexa
"Phricodothyris perplexa" = Condrathyris perplexa McChesney 1859
 Rhynchonellida - Wellerellidae
Wellerella tetrahedra Dunbar and Condra 1932
Wellerella osagensis Shumard and Swallow 1858
Anthozoa
 Stauriida - Lophophyllidiidae
Lophophyllidium profundum Milne-Edward and Haime 1851 horn coral
 Stauriida - Cyathopsidae
Caninia torquia Owen 1852 horn coral
Demospongea
  -
Demospongea indet. Sollas 1875 demosponge