PQBT4, Porterfield Quarry, Botetourt member (Ordovician of the United States)

Where: Virginia (36.9° N, 81.7° W: paleocoordinates 29.8° S, 62.6° W)

• coordinate stated in text

When: Botetourt Member (Edinburg Formation), Sandbian (458.4 - 453.0 Ma)

• Porterfield Quarry

Environment/lithology: deep subtidal shelf; limestone

Size classes: macrofossils, mesofossils

Collection methods: quarrying

Primary reference: J. R. Carlucci and S. R. Westrop. 2012. Trilobite Biofacies along an Ordovician (Sandbian) Carbonate Buildup to Basin Gradient, Southwestern Virginia. Palaios 27:19-34 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 178247: authorized by Björn Kröger, entered by Björn Kröger on 28.04.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Asaphida - Asaphidae
Isotelus sp. Dekay 1824 trilobite
 Asaphida - Nileidae
Nileus sp. Dalman 1827 trilobite
 Trinucleida - Raphiophoridae
Ampyx sp. Dalman 1827 trilobite
  - Isocolidae
Holdenia sp. Cooper 1953 trilobite
 Corynexochida - Illaenidae
Thaleops sp. Conrad 1843 trilobite
Stenopareia sp. Holm 1886 trilobite
Bumastoides sp. Whittington 1954 trilobite
Hyboaspis sp. Raymond 1920 trilobite
 Lichida - Lichidae
Amphilichas sp. Raymond 1905 trilobite
 Phacopida - Pliomeridae
Pliomerella sp. Reed 1941 trilobite
 Phacopida - Encrinuridae
Encrinuroides sp. Reed 1931 trilobite
 Phacopida - Pterygometopidae
Calyptaulax sp. Cooper 1930 trilobite