G-8 (Ordovician of the United States)

Also known as SF 328

Where: Millard County, Utah (38.8° N, 113.4° W: paleocoordinates 6.9° S, 84.3° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: G-1 trilobite zone, Fillmore Limestone Formation, Tulean (485.4 - 471.8 Ma)

• Ibexian; Tulean

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified conglomerate

• carbonate ramp, above wave base

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 104113: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Aulacopleurida - Hystricuridae
Psalikilus spinosum Hintze 1952 trilobite
 Phacopida - Pliomeridae
"Protopliomerops aemula" = Hintzeia aemula
"Protopliomerops aemula" = Hintzeia aemula Hintze 1952 trilobite
 Asaphida - Asaphidae
"? Asaphellus quadrata" = Aulacoparia (Aulacoparina) quadrata
"? Asaphellus quadrata" = Aulacoparia (Aulacoparina) quadrata Hintze 1952 trilobite
 Asaphida - Remopleurididae
Menoparia genalunata Ross 1951 trilobite
 Proetida - Bathyuridae
Jeffersonia "sp. B" Poulson 1927 trilobite
Gastropoda
 Murchisoniina - Hormotomidae