Hintze 1951, Crystal Peak section 150-150 (Ordovician of the United States)

Also known as SF 524, CP-1

Where: Millard County, Utah (38.8° N, 113.6° W: paleocoordinates 7.9° S, 81.1° W)

• coordinate estimated from map

• small collection-level geographic resolution

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

• Whiterockian; Kanoshian

• bed-level stratigraphic resolution

Environment/lithology: basinal (); lithified shale

• outer shelf/dysoxic basin
• grey; 50% silty limestone interbeds

Size class: macrofossils

Preservation: replaced with silica

Collected by L.F. Hintze

Collection methods: bulk,

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 104193: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011, edited by Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

• rare spherical bryozoan colonies, high-spired gastropods
Trilobita
 Proetida - Bathyuridae
Pseudoolenoides acicaudus Hintze 1953 trilobite
 Phacopida - Cheiruridae
? Nieszkowskia sp., "? Kawina unicornica" = Xystocrania perforator
? Nieszkowskia sp. Schmidt 1881 trilobite
"? Kawina unicornica" = Xystocrania perforator Billings 1865 trilobite
 Phacopida - Pliomeridae
Cybelopsis sp. Poulsen 1927 trilobite
 Asaphida - Nileidae
? Barrandia sp. M'Coy 1849 trilobite
 Corynexochida - Illaenidae
Illaenus utahensis Hintze 1953 trilobite
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia sp. Rouault 1851 ostracod
Cephalopoda
 Tarphycerida - Trocholitidae
Trocholites sp. Conrad 1838
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
high spired
 Euomphalina - Ophiletidae
? Lecanospira sp. Butts 1926 snail
 Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818 snail
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Rhynchonellata
 Orthida - Orthidae
Orthis sp. Dalman 1828
 Orthida - Anomalorthidae
Anomalorthis sp. Ulrich and Cooper 1936
Lingulata
 Lingulida - Lingulidae
Lingula sp. BruguiƩre 1797