Yellow Hill, Ely Springs Range (Ordovician of the United States)

Where: Lincoln County, Nevada (37.9° N, 114.7° W: paleocoordinates 5.9° S, 85.8° W)

• coordinate estimated from map

• hand sample-level geographic resolution

When: Hintzeia celsaora trilobite zone, Yellow Hill Limestone Member (Fillmore Formation), Ibexian (488.3 - 471.8 Ma)

• Hintze Zone Zone G-1. Originally called Yellow Hill Limestone, but this is part of the Fillmore

• formation-level stratigraphic resolution

Environment/lithology: marine; lithified, silty limestone

Size class: macrofossils

Primary reference: D. B. Blake and T. E. Guensburg. 1993. New Lower Ordovician stelleroids (Echinodermata) and their bearing on the origins and early history of the stelleroid echinoderms. Journal of Paleontology 67(1):103-113 [L. Villier/L. Villier/L. Villier]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91172: authorized by Loic Villier, entered by Loic Villier on 08.09.2009, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Strophomenida - Taffiidae
Taffia westgatei n. sp.1 Ulrich and Cooper 1936
 Billingsellida - Polytoechiidae
Tritoechia alta2 Ulrich and Cooper 1938
Rhynchonellata
 Pentamerida - Tetralobulidae
Syntrophopsis obscura2 Hall and Whitfield 1877
Trilobita
 Phacopida - Pliomeridae
Hintzeia celsaora Ross 1951 trilobite
Somasteroidea
  - Chinianasteridae
Ophioxenikos langenheimi Blake and Guensburg 1993
Pterobranchia
 Graptoloidea - Anisograptidae
Adelograptus antiquus Hall 1899 graptolite
Conodonta
 Protopanderodontida - Drepanoistodontidae
Drepanoistodus deltifer Lindström 1955 conodont