Hintze 1951, Desert Range Experimental Station sections 20-135 (Ordovician of the United States)

Also known as SF 535

Where: Millard County, Utah (38.6° N, 113.8° W: paleocoordinates 7.8° S, 81.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: M brachiopod zone, Kanosh Shale Formation, Dapingian (470.0 - 467.3 Ma)

• Whiterockian; Kanoshian

• group of beds-level stratigraphic resolution

Environment/lithology: basinal (); lithified shale

• outer shelf/dysoxic basin
• grey; green; fissile, interbedded calcarenites

Size class: macrofossils

Preservation: replaced with silica

Collected by L.F. Hintze

Collection methods: surface (float),

Primary reference: L.F. Hintze. 1951. Lower Ordovician detailed stratigraphic sections for western Utah. Utah Geological and Mineralogical Survey Bulletin 39:99 p. [A. Miller/A. Miller]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 104204: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

• cystids, bryozoans, Lecanospira-like gastropod steinkerns
Chlorophyceae
  - Receptaculitidae
Ostracoda
 Leperditellocopida - Aparchitidae
Macronotella sp. Ulrich 1894 ostracod
Trilobita
 Proetida - Bathyuridae
Eleutherocentrus sp. Clark 1935 trilobite
 Phacopida - Pliomeridae
Pliomerops sp. Raymond 1905 trilobite
b
Rhynchonellata
 Orthida - Nanorthidae
"Orthis michaelis" = Shoshonorthis michaelis
"Orthis michaelis" = Shoshonorthis michaelis Clark 1935
 Orthida - Anomalorthidae
Anomalorthis utahensis Ulrich and Cooper 1936