Honaker Trail Formation, Moab, Utah, Unit 11B (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)

• 9 inches thick; "Late Pennsylvanian"

• bed-level stratigraphic resolution

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

• "open marine"
• Argillaceous, skeletal, micritic limestone; solution breccia

Size class: macrofossils

Collection methods: surface (float), surface (in situ),

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 39987: authorized by David Bottjer, entered by Matthew Clapham on 13.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Fusulinina
 Fusulinoidea - Schwagerinidae
Bivalvia
 Cardiidia - Sanguinolitidae
Wilkingia sp. Wilson 1959 clam
 Trigoniida - Schizodidae
Schizodus sp. King 1844 clam
Cephalopoda
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
entered as "? Nautiloid indet."
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Sheeting
Echinoidea
  -
Echinocrinus sp. Agassiz 1841 sea urchin
Strophomenata
 Productida - Productidae
"Marginifera lasallensis" = Kutorginella lasallensis
"Marginifera lasallensis" = Kutorginella lasallensis Worthen 1873
Rhynchonellata
 Athyridida - Athyrididae
 Spiriferida - Trigonotretidae
Demospongea
  -
Demospongea indet. Sollas 1875 demosponge