Guano Cave, USGS 25130-PC (Carboniferous of the United States)

Also known as Guano Cave, collection from 182 ft above base of formation

Where: Arizona (36.0° N, 113.8° W: paleocoordinates 1.6° N, 43.9° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Watahomigi Formation (Supai Group), Morrowan (323.2 - 318.6 Ma)

• The Watahomigi is comprised of three informal units: a lower slope unit, a middle cliff unit, and an upper slope unit.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, fine-grained, gray limestone and lithified, blue, silty mudstone

• Limestone, medium-light-gray, fine-grained, thin-bedded; base contains abundant fusulinids (?), crinoids, brachipods; forms weak ledges 6-12 in. thick; alternates with purple, shaley mudstone, locally contains limy pellets, 0.25-0.5 in in diameter; forms slopes 2-4 ft thick; total forms slope.

Size class: macrofossils

Reposited in the USGS

Primary reference: E. D. McKee. 1982. The Supai Group of the Grand Canyon. United States Geological Survey Professional Paper 1173 [J. Alroy/C. Simpson/C. Simpson]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 42695: authorized by John Alroy, entered by Carl Simpson on 04.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Pelmatozoa indet.
Pelmatozoa indet. Leuckart 1848
Debris
Chondrichthyes
 Cochliodontiformes - Cochliodontidae
Deltodus sp.
Deltodus sp. Morris and Roberts 1862 chimaera
Dentition
Rhynchonellata
 Spiriferida - Spiriferidae
Anthracospirifer tanoensis, Anthracospirifer newberryi
 Athyridida - Athyrididae
Composita ovata
Composita ovata Mather 1915
Strophomenata
 Productida - Echinoconchidae
? Pulchratia picuris
Stenolaemata
 Trepostomata -
Trepostomata indet.
Trepostomata indet. Ulrich 1882
Ramose
 Cryptostomata -
Cryptostomata indet.
Cryptostomata indet. Vine 1884
Rhomboporoid
 Cryptostomata - Fenestellidae
Fenestella sp.
Fenestella sp. Lonsdale 1839