Ludlow-Much Wenlock District #9 (Silurian of the United Kingdom)

Where: England, United Kingdom (52.5° N, 2.6° W: paleocoordinates 25.7° S, 12.3° W)

• 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 8303: authorized by John Alroy, entered by Mike Sommers on 05.07.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

• 8674 total specimens.
unclassified
  -
Cephalopoda
 Orthocerida - Orthoceratidae
Michelinoceras sp. Foerste 1932
 Orthocerida - Kionoceratidae
Gastropoda
 Murchisoniina - Loxonematidae
"Loxonema obsoletum" = Loxonema obsoleta
"Loxonema obsoletum" = Loxonema obsoleta de Sowerby and Murchison 1839 snail
Bivalvia
 Ostreida - Pterineidae
 Modiomorphida - Modiomorphidae
"Goniophora cymbaeformis" = Goniophora (Goniophora) cymbaeformis
"Goniophora cymbaeformis" = Goniophora (Goniophora) cymbaeformis Sowerby 1839 clam
 Cardiidia - Grammysiidae
Fuchsella amygdalina Sowerby 1827 clam
Strophomenata
 Strophomenida - Strophochonetidae
Rhynchonellata
 Orthida - Draboviidae
Salopina lunata Sowerby 1839
Craniata
 Craniopsida - Craniopsidae
Lingulata
 Lingulida - Discinidae
Stenolaemata
 Cystoporata - Ceramoporidae
Ceramopora sp. Hall 1851
 Trepostomata - Heterotrypidae
Leioclema sp. Ulrich 1882
Hyolitha
 Hyolithida - Hyolithidae
Tentaculita
 Cornulitida - Cornulitidae
Cornulites sp. Schlotheim 1820
Ostracoda
 Podocopida - Bairdiocyprididae
 Podocopida -
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
ossicles