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 (480.8 - 474.9 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, edited by Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Murchisoniina - Hormotomidae
? Hormotoma sp.1
Trilobita
 Proetida - Hystricuridae
Psalikilus spinosum1
Psalikilus spinosum1 Hintze 1953 trilobite
 Proetida - Bathyuridae
Jeffersonia "sp. B"1
Jeffersonia "sp. B"1 Poulson 1927 trilobite
 Phacopida - Pliomeridae
Hintzeia firmimarginis2
Hintzeia firmimarginis2 Hintze 1953 trilobite
 Asaphida - Asaphidae
"? Asaphellus quadrata" = Aulacoparia (Aulacoparina) quadrata1
"? Asaphellus quadrata" = Aulacoparia (Aulacoparina) quadrata1 Hintze 1953 trilobite
 Asaphida - Remopleurididae
Menoparia genalunata1
Menoparia genalunata1 Ross 1951 trilobite
1Hintze 1953; 2McAdams and Adrain 2011