Stewart's Mill reef (Cambrian of the United States)

Also known as Reef 1791

Where: Esmeralda County, Nevada (37.4° N, 117.5° W: paleocoordinates 1.1° S, 95.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Poleta Formation, Botomian (516.0 - 512.9 Ma)

• lower member

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks

• 70 m thick reef, archaeocyath-Renalcis boundstone

Size class: macrofossils

Primary reference: S. M. Rowland and R. A. Gangloff. 1988. Structure and paleoecology of Lower Cambrian reefs. Palaios 3:111-135 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 81038: authorized by Wolfgang Kiessling, entered by Uta Merkel on 28.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Epiphyton
  - Ludloviaceae
Epiphyton sp. Bornemann 1886
unclassified
  -
Eocrinoidea
  -
Eocrinoidea indet. Jaekel 1918
Trilobita
  -
Trilobita indet. Walch 1771 trilobite
Helcionelloida
  -
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Hyolitha
  -
Hyolitha indet. Marek 1963
Archaeocyatha
 Archaeocyathida - Archaeopharetridae
Protopharetra sp. Bornemann 1884 archaeocyath sponge
 Archaeocyathida - Dictyocyathidae
Retilamina sp. Debrenne and James 1981 archaeocyath sponge
 Archaeocyathida - Loculicyathidae
Paranacyathus sp. archaeocyath sponge
Coeloscleritophora
 Chancelloriida - Chancelloriidae
Chancelloria sp. Walcott 1920
Renalcis
  - Chabakoviacea
Renalcis sp. Vologdin 1932