Ludlow-Much Wenlock District #5 (Silurian of the United Kingdom)

Where: England, United Kingdom (52.5° N, 2.6° W)

• Paleocoordinates: 9.6° S, 49.6° W (Wright 2013)

• outcrop-level geographic resolution

When: Overton Formation, Ludfordian (425.6 - 423.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, bioturbated, shelly/skeletal siltstone

• interbedded highly bioturbated calcareous siltstones in which most lamination destroyed by bioturbation. alternates with thin 'storm generated' siltstone and shell laminae. minor scour channels and slumping. occassional symmetric and asymmetric ripple laminae.

Primary reference: D. D. J. Antia. 1981. Faunas from the Upper Silurian (Upper Ludlovian) in the Ludlow-Much Wenlock District, England. Geological Journal 16:137-147 [J. Alroy/M. Sommers/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 8299: authorized by John Alroy, entered by Mike Sommers on 05.07.2000

Creative Commons license: CC0 (CC0)

Taxonomic list

• 729 total specimens.
unclassified
  -
Ostracoda
  -
 Podocopida - Healdiidae
 Podocopida -
Cephalopoda
 Orthocerida - Orthoceratidae
Michelinoceras sp. Foerste 1932
 Orthocerida - Kionoceratidae
Bivalvia
 Cardiidia - Grammysiidae
Fuchsella amygdalina Sowerby 1827 clam
Gastropoda
 Neritoidea - Naticopsidae
"Naticopsis cf. trevorpatriciorum" = Naticopsis trevorpaticiciorum
"Naticopsis cf. trevorpatriciorum" = Naticopsis trevorpaticiciorum Peel 1975 snail
 Murchisoniina - Loxonematidae
"Loxonema obsoletum" = Loxonema obsoleta
"Loxonema obsoletum" = Loxonema obsoleta de Sowerby and Murchison 1839 snail
Stenolaemata
 Trepostomata - Heterotrypidae
Leioclema sp. Ulrich 1882
 Cystoporata - Ceramoporidae
Ceramopora sp. Hall 1851
Lingulata
 Lingulida - Discinidae
Rhynchonellata
 Orthida - Draboviidae
Salopina lunata Sowerby 1839
Strophomenata
 Strophomenida - Strophochonetidae
Lophophorata
 Tentaculitida - Tentaculitidae
 Tentaculitida - Cornulitidae
Cornulites sp. Schlotheim 1820
Hyolitha
 Hyolithida - Hyolithidae
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
ossicles