PBDB Collection

Loc. 2. edge of quarry, just north of RR tracks ¼ mile west of Strasburg Junction (Ordovician of the United States)

Also known as Bed 18 of Cooper & Cooper 1946

Where: Shenandoah County, Virginia (39.0° N, 78.4° W: paleocoordinates 29.7° S, 58.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Baltoniodus gerdae conodont zone, Botetourt Member (Edinburg Formation), Ashbyan (457.3 - 449.6 Ma)

• Given as Lower, which is now Botetourt member

• bed-level stratigraphic resolution

Environment/lithology: yellow, argillaceous limestone

• yellowish-weathering argillaceous limestone

Size class: macrofossils

Preservation: replaced with silica

Reposited in the USNM

Primary reference: H. B. Whittington and W.R., I.I. Evitt. 1953. Silicified Middle Ordovician trilobites. Geological Society of America Memoir 59:1-139 [P. Wagner/P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 73341: authorized by Pete Wagner, entered by Pete Wagner on 12.06.2007, edited by Melanie Hopkins

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Artiopoda
Agnostida - Metagnostidae	Trinodus elspethi⁴ Trinodus elspethi⁴ Raymond 1925
Trilobita
Phacopida - Encrinuridae	Libertella corona¹, Bevanopsis ulrichi¹, "Encrinuroides tholus" = Physemataspis tholus¹, Physemataspis coopi¹ Libertella corona¹ Hu 1971 trilobite Bevanopsis ulrichi¹ Cooper 1953 trilobite "Encrinuroides tholus" = Physemataspis tholus¹ Evitt and Tripp 1977 trilobite Physemataspis coopi¹ Evitt and Tripp 1977 trilobite
Phacopida - Cheiruridae	Holia cimelia n. sp., Ceraurinella typa, Acanthoparypha perforata n. gen. n. sp., Sphaerexochus pulcher n. sp., Sphaerocoryphe gemina², Sphaerocoryphe longispina² Holia cimelia n. sp. Whittington and Evitt 1953 trilobite Ceraurinella typa Cooper 1953 trilobite Acanthoparypha perforata n. gen. n. sp. Whittington and Evitt 1953 trilobite Sphaerexochus pulcher n. sp. Whittington and Evitt 1953 trilobite Sphaerocoryphe gemina² Tripp et al. 1997 trilobite Sphaerocoryphe longispina² Tripp et al. 1997 trilobite
Phacopida - Pterygometopidae	"Calliops strasburgensis" = Calyptaulax annulata⁴, "Calliops callirachis" = Calyptaulax callirachis⁴ "Calliops strasburgensis" = Calyptaulax annulata⁴ Raymond 1905 trilobite "Calliops callirachis" = Calyptaulax callirachis⁴ Cooper 1953 trilobite
Proetida - Dimeropygidae	Dimeropyge virginiensis n. sp., Mesotaphraspis parva n. gen. n. sp., Chomatopyge falcata Dimeropyge virginiensis n. sp. Whittington and Evitt 1953 trilobite Mesotaphraspis parva n. gen. n. sp. Whittington and Evitt 1953 trilobite Chomatopyge falcata Whittington and Evitt 1953 trilobite
Proetida - Tropidocoryphidae	""Proetus" strasburgensis" = Stenoblepharum strasburgense⁴ ""Proetus" strasburgensis" = Stenoblepharum strasburgense⁴ Cooper 1953 trilobite
Asaphida - Remopleurididae	? Remopleurides eximius⁴, Remopleurides caelatus n. sp.⁴, Remopleurides caphyroides⁴ ? Remopleurides eximius⁴ Whittington 1959 trilobite Remopleurides caelatus n. sp.⁴ Whittington 1959 trilobite Remopleurides caphyroides⁴ Whittington 1959 trilobite
Trinucleida - Raphiophoridae	Ampyx virginiensis⁴, Lonchodomas carinatus⁴ Ampyx virginiensis⁴ Cooper 1953 trilobite Lonchodomas carinatus⁴ Cooper 1953 trilobite
Trinucleida - Trinucleidae	Tretaspis sagenosus⁴ Tretaspis sagenosus⁴ Whittington 1959 trilobite
Harpetida - Harpetidae	Dolichoharpes reticulata⁴ Dolichoharpes reticulata⁴ Whittington 1949 trilobite
Corynexochida - Styginidae	Raymondaspis gregarius⁴ Raymondaspis gregarius⁴ Raymond 1920 trilobite
Odontopleurida - Odontopleuridae	Calipernurus insolitus³, Apianurus sp.³, Apianurus barbatus n. sp.³, Apianurus glaber n. sp.³, Ceratocephala laciniata n. sp., Diacanthaspis lepidus n. sp.³, Diacanthaspis secretus n. sp.³ Calipernurus insolitus³ Whittington 1956 trilobite Apianurus sp.³ Whittington 1956 trilobite Apianurus barbatus n. sp.³ Whittington 1956 trilobite Apianurus glaber n. sp.³ Whittington 1956 trilobite Ceratocephala laciniata n. sp. Whittington and Evitt 1953 trilobite Diacanthaspis lepidus n. sp.³ Whittington 1956 trilobite Diacanthaspis secretus n. sp.³ Whittington 1956 trilobite

¹Evitt and Tripp 1977; ²Tripp et al. 1997; ³Whittington 1956; ⁴Whittington 1959