Bed: D2713CO (Ordovician of the United States)

Where: Nevada (39.0° N, 116.0° W: paleocoordinates 7.1° S, 74.5° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Middle Member (Hanson Creek Formation), Richmondian (449.6 - 445.5 Ma)

• Listed as Middle Ashgillian; Middle Limestone and Dolomite

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; lithified, concretionary, silty limestone

• Listed as Deep Mid-shelf
• Nodular, silty, light-gray, mottled gray-orange limestone

Size classes: macrofossils, mesofossils

Preservation: trace, concretion

Collection methods: Samples chosen at random

Primary reference: R. J. Ross, Jr., T. B. Nolan, and A.G. Harris. 1980. The Upper Ordovician and Silurian Hanson Creek Formation of central Nevada. United States Geological Survey Professional Paper (1126-A-J)C1-C22 [P. Novack-Gottshall/P. Hearn/R. McClees-Funinan]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 78053: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 25.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Favositida - Favositidae
Paleofavosites sp., Saffordophyllum sp.
Paleofavosites sp. Twenhofel 1914 tabulate coral
Saffordophyllum sp. Bassler 1950 tabulate coral
 Lichenariida - Lyoporidae
Nyctopora sp.
Nyctopora sp. Nicholson 1879 tabulate coral
Spelling error when originally entered as "Nictopora sp."
 Heliolitida - Halysitidae
Catenipora sp.
Catenipora sp. Lamarck 1816 tabulate coral
 Stauriida - Streptelasmatidae
Bighornia sp., Lobocorallium trilobatum
Bighornia sp. horn coral
Lobocorallium trilobatum horn coral
major
Stenolaemata
 Cryptostomata - Rhinidictyidae
Goniotrypa sp., "Astreptodictya sp." = Trigonodictya
"Astreptodictya sp." = Trigonodictya
 Trepostomata - Halloporidae
Diplotrypa sp.
Diplotrypa sp. Nicholson 1879
 Trepostomata - Trematoporidae
Trematopora sp.
Trematopora sp. Hall 1852
 Trepostomida - Monticuliporidae
Homotrypa sp.
Homotrypa sp. Ulrich 1882
Rhynchonellata
 Orthida - Plaesiomyidae
"Pionorthis occidentalis" = Dinorthis occidentalis
"Pionorthis occidentalis" = Dinorthis occidentalis Okulitch 1943
 Orthida - Glyptorthidae
Glyptorthis sp.
Glyptorthis sp. Foerste 1914
 Orthida - Hesperorthidae
Hesperorthis sp.
Hesperorthis sp. Schuchert and Cooper 1931
 Rhynchonellida - Rhynchotrematidae
"Lepidocyclus gigas" = Hiscobeccus gigas
"Lepidocyclus gigas" = Hiscobeccus gigas Wang 1949
Strophomenata
 Strophomenida - Sowerbyellidae
"Thaerodonta sp." = Eochonetes
"Thaerodonta sp." = Eochonetes Reed 1917
 Strophomenida - Leptellinidae
Leptellinidae indet.
Leptellinidae indet. Ulrich and Cooper 1936
Incorrectly originally entered as "Leptellinid sp."
 Strophomenida - Furcitellidae
Oepikina sp.
Oepikina sp. Salmon 1942
 Strophomenida - Rafinesquinidae
Rafinesquina sp.
Rafinesquina sp. Hall and Clarke 1892
Trilobita
 Asaphida - Asaphidae
Anataphrus sp.
Anataphrus sp. Whittington 1954 trilobite
 Phacopida - Pterygometopidae
Calyptaulax sp.
Calyptaulax sp. Cooper 1930 trilobite
 Phacopida - Calymenidae
Calymenidae indet.
Calymenidae indet. Milne-Edwards 1840 trilobite