PBDB Collection

Ludlow-Much Wenlock District #14 (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 8308: authorized by John Alroy, entered by Mike Sommers on 05.07.2000, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

• 1608 total specimens.

Show authors, comments, and common names

Echinoidea
-	Echinoidea indet. Echinoidea indet. Leske 1778 sea urchin spine
unclassified
-	Rhopalonaria sp., Amygdella sp., Thilipsura sp., Microsphaeridiorhynchia nucula Rhopalonaria sp. Amygdella sp. Thilipsura sp. Microsphaeridiorhynchia nucula
Crinoidea
-	Crinoidea indet. Crinoidea indet. Miller 1821 Sea lily
Conodonta
Ozarkodinida -	Ozarkodina sp. Ozarkodina sp. Branson and Mehl 1933 conodont
Hyolitha
Hyolithida - Hyolithidae	Hyolithes forbesi Hyolithes forbesi
Lingulata
Lingulida - Lingulidae	Lingula sp. n. sp., Lingula lewisii Lingula sp. n. sp. Bruguiére 1797 Lingula lewisii
Lingulida - Discinidae	Orbiculoidea rugata Orbiculoidea rugata
Strophomenata
Strophomenida - Strophochonetidae	Protochonetes ludloviensis Protochonetes ludloviensis Muir-Wood 1962
Rhynchonellata
Orthida - Draboviidae	Salopina lunata Salopina lunata Sowerby 1839
Stenolaemata
Cystoporata - Ceramoporidae	Ceramopora sp. Ceramopora sp. Hall 1851
Trepostomata - Heterotrypidae	Leioclema sp. Leioclema sp. Ulrich 1882
Polychaeta
Serpulimorpha -	Serpulites longissimus Serpulites longissimus
Eunicemorpha -	Arabellites sp. Arabellites sp.
Sabellida - Serpulidae	Spirorbis sp. Spirorbis sp. Daudin 1800
Cephalopoda
Orthocerida - Kionoceratidae	Kionoceras sp. Kionoceras sp. Hyatt 1884
Orthocerida - Orthoceratidae	Michelinoceras sp. Michelinoceras sp. Foerste 1932
Orthoceratoidea - Paraphragmitidae	Paraphragmites ibex Paraphragmites ibex
Gastropoda
Bellerophontida - Pterothecidae	"Bucanopsis expansus" = Phragmosphaera expansus "Bucanopsis expansus" = Phragmosphaera expansus de Sowerby and Murchison 1839 snail
Murchisoniina -	Murchisonioidea indet. Murchisonioidea indet. Koken 1896 snail
Murchisoniina - Loxonematidae	"Loxonema obsoletum" = Loxonema obsoleta "Loxonema obsoletum" = Loxonema obsoleta de Sowerby and Murchison 1839 snail
Neritoidea - Naticopsidae	"Naticopsis cf. trevorpatriciorum" = Naticopsis trevorpaticiciorum "Naticopsis cf. trevorpatriciorum" = Naticopsis trevorpaticiciorum Peel 1975 snail
Bivalvia
Ostreida - Pterineidae	Pterinea tennistriata Pterinea tennistriata oyster
Cardiidia - Grammysiidae	Fuchsella amygdalina Fuchsella amygdalina Sowerby 1827 clam
Modiomorphida - Modiomorphidae	Modiolopsis sp., "Goniophora cymbaeformis" = Goniophora (Goniophora) cymbaeformis Modiolopsis sp. Hall 1847 clam "Goniophora cymbaeformis" = Goniophora (Goniophora) cymbaeformis Sowerby 1839 clam
Ostracoda
Podocopida -	Londinia sp., Calcaribeyrichia torosa Londinia sp. ostracod Calcaribeyrichia torosa ostracod
Podocopida - Bairdiocyprididae	Cytherellina siliqua Cytherellina siliqua ostracod
Palaeocopida -	Hebellum cf. tetragonum Hebellum cf. tetragonum ostracod
Platycopida -	Nyhamnella sp. Nyhamnella sp. ostracod
-	Kuresaaria circulata Kuresaaria circulata ostracod