Fortey and Droser 1999, Figure 2 0-5 (Ordovician of the United States)

Also known as SF 28

Where: Nye County, Nevada (36.9° N, 116.7° W: paleocoordinates 6.0° S, 83.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: L brachiopod zone, Antelope Valley Formation (Pogonip Group), Rangerian (470.0 - 470.3 Ma)

• Whiterockian; Rangerian

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

• carbonate platform
• algal; associated encrinites

Size class: macrofossils

Preservation: original calcite

Collected by R. A. Fortey, M. L. Droser

Collection methods: bulk,

Primary reference: R. A. Fortey and M. L. Droser. 1999. Trilobites from the Base of the Type Whiterockian (Middle Ordovician) in Nevada. Journal of Paleontology 73(2):182-201 [S. Finnegan/S. Finnegan/J. Alroy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 104653: authorized by Seth Finnegan, entered by Seth Finnegan on 07.02.2011, edited by Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

• Brachiopods common throughout
Show authors, comments, and common names
Trilobita
 Olenida - Olenidae
Cloacaspis tesselata, Bienvillia papulosa
Cloacaspis tesselata Fortey and Droser 1999 trilobite
Bienvillia papulosa Fortey 1974 trilobite
 Trinucleida - Raphiophoridae
Ampyxoides cf. occipitalis
Ampyxoides cf. occipitalis Dean 1973 trilobite
 Ptychopariida - Shumardiidae
Shumardia exopthalmus
Shumardia exopthalmus Ross and Barnes 1967 trilobite
"exopthamlus"
 Asaphida - Asaphidae
Protopresbynileus cf. glaber
Protopresbynileus cf. glaber Fortey 1975 trilobite
 Asaphida - Nileidae
Nileus hesperaffinis, Poronileus fistulosus, Poronileus vallancei, Peraspis erugata
Nileus hesperaffinis Ross and Barnes 1967 trilobite
Poronileus fistulosus Fortey 1975 trilobite
Poronileus vallancei Fortey 1975 trilobite
Peraspis erugata Ross 1970 trilobite
 Lichida - Lichidae
Apatolichas cf. jukesi
Apatolichas cf. jukesi Billings 1865 trilobite
 Corynexochida - Styginidae
Raymondaspis vespertina
Raymondaspis vespertina Ross and Barnes 1967 trilobite
 Corynexochida - Illaenidae
Illaenus cf. auriculatus, Harpillaenus rossi
Illaenus cf. auriculatus Ross and Barnes 1967 trilobite
Harpillaenus rossi Fortey and Droser 1999 trilobite
 Phacopida - Calymenidae
Protocalymene sp.
Protocalymene sp. Ross and Barnes 1967 trilobite
nov.
 Phacopida - Encrinuridae
Cybelurus halo
Cybelurus halo Fortey 1980 trilobite
 Phacopida - Pliomeridae
Ectenonotus whittingtoni, Pseudomera arachnopyge
Ectenonotus whittingtoni Ross and Barnes 1967 trilobite
Pseudomera arachnopyge Fortey and Droser 1996 trilobite
 Proetida - Bathyuridae
Benthamaspis sera, Acidiphorus lineotuberculatus, Madaraspis magnifica
Benthamaspis sera Fortey and Droser 1999 trilobite
Acidiphorus lineotuberculatus Fortey and Droser 1999 trilobite
"Acidophorus"
Madaraspis magnifica Fortey and Droser 1996 trilobite
 Proetida - Dimeropygidae
Ischyrotoma juabensis, Ischyrotoma aff. stubblefieldi
Ischyrotoma juabensis Adrain et al. 2001 trilobite
Ischyrotoma aff. stubblefieldi Ingham 1986 trilobite
 Proetida - Telephinidae
Opipeuter sp., Carolinites sp., "Carolinites angustagena" = Carolinites sibiricus
Opipeuter sp. Fortey 1974 trilobite
Carolinites sp. Kobayashi 1940 trilobite
nov
"Carolinites angustagena" = Carolinites sibiricus Chugaeva 1964 trilobite
subspecies sibiricus