Honaker Trail Formation, Moab, Utah, Unit 13C (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)

• Unit 13 combined (13A, 13B, 13C) is 1 feet, 9 inches thick; "Late Pennsylvanian"

• bed-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; gray, argillaceous limestone

• "Carbonate-mud, lagoon- or delta-associated, quiet-water deposition"
• Limestone: argillaceous, gray; usually-covered ledge

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 39994: authorized by David Bottjer, entered by Matthew Clapham on 13.06.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Proetida - Phillipsiidae
Ditomopyge sp. trilobite
Bivalvia
 Myalinida - Myalinidae
Myalina sp. de Koninck 1842 clam
Septimyalina ? burmai Newell 1942 clam
Species written burmi
 Pectinida - Limidae
Limatula sp. Wood 1839 file clam
 Pectinida - Aviculopectinidae
Aviculopecten sp. M'Coy 1851 scallop
 Pectinida - Limipectinidae
Acanthopecten carboniferus Stevens 1858 scallop
 Pectinida - Pseudomonotidae
"Pseudomonotis equistriata" = Pseudomonotis equistriata, "Pseudomonotis kansasensis" = Pseudomonotis equistriata
"Pseudomonotis equistriata" = Pseudomonotis equistriata Beede 1900 scallop
"Pseudomonotis kansasensis" = Pseudomonotis equistriata Beede 1900 scallop
 Trigoniida - Schizodidae
Schizodus sp. King 1844 clam
Gastropoda
 Trochonematoidea - Lophospiridae
Worthenia sp. de Koninck 1883 snail
 Bellerophontida - Bellerophontidae
Pharkidonotus percarinatus Conrad 1842 snail
 Bellerophontida - Euphemitidae
Euphemites carbonarius Cox 1857 snail
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
sheeting and twiggy branching
Echinoidea
  -
Echinocrinus sp. Agassiz 1841 sea urchin
Strophomenata
 Productida - Productellidae
"Marginifera wabashensis" = Hystriculina wabashensis
"Marginifera wabashensis" = Hystriculina wabashensis Norwood and Pratten 1855
 Productida - Productidae
"Marginifera lasallensis" = Kutorginella lasallensis
"Marginifera lasallensis" = Kutorginella lasallensis Worthen 1873
 Productida - Linoproductidae
Linoproductus meniscus Dunbar and Condra 1932
 Productida - Rugosochonetidae
"Chonetes granulifer" = Neochonetes granulifer
"Chonetes granulifer" = Neochonetes granulifer Owen 1852
Rhynchonellata
 Spiriferida - Trigonotretidae