Thorpe Cloud: Chadian, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Crinoidea
Crinoidea indet. Miller 1821
Trilobita - Proetida - Phillipsiidae
Bollandia sp. Reed 1943
p category
Cummingella raniceps
p category
Phillibolina worsawensis
p category
Phillipsia gemmulifera (Phillips 1836)
Tilsley and Korn 2009
Trilobita - Proetida - Brachymetopidae
Brachymetopus maccoyi (Portlock 1843)
r category
Cephalopoda - Goniatitida - Pericyclidae
Ammonellipsites sp. Parkinson 1822
Ammonellipsites clitheroensis Riley 1996
Tilsley and Korn 2009
Fascipericyclus sp. Turner 1948
Pericyclus sp. Mojsisovics 1882
Polaricyclus minimus (Hind 1910)
Tilsley and Korn 2009
Cephalopoda - Goniatitida - Maxigoniatitidae
Dzhaprakoceras sp. Popov 1965
Cephalopoda - Goniatitida - Nomismoceratidae
Eonomismoceras sp. Kusina 1974
Gastropoda
Gastropoda indet. Cuvier 1795
Rostroconchia - Conocardiida - Conocardiidae
Conocardium aliforme (Sowerby 1815)
Hind 1900
Rostroconchia - Conocardiida - Hippocardiidae
Conocardium hibernicum (Sowerby 1815)
Hind 1900
Bivalvia
Bivalvia indet. Linnaeus 1758
unclassified
Brachiopoda indet. Cuvier 1805
Strophomenata - Productida - Productellidae
Levitusia spinauris
Tilsley and Korn 2009
Levitusia humerosa (Sowerby 1822)
Tilsley and Korn 2009
unclassified
Bryozoa indet. Ehrenberg 1831
Cnidaria indet. Hatschek 1888
see common names

Geography
Country:United Kingdom State/province:England County:Derbyshire
Coordinates: 53.1° North, 1.5° West (view map)
Paleocoordinates:9.4° South, 0.7° East
Basis of coordinate:based on political unit
Geographic resolution:outcrop
Time
Period: Carboniferous Epoch: Mississippian
Stage: Visean 10 m.y. bin: Carboniferous 2
*Period:Early/Lower Carboniferous *Epoch:Visean
*International age/stage:Chadian
Key time interval: Chadian
Age range of interval: 346.7 - 340.2 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Milldale Limestone
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology:gray lithified lime mudstone
Lithology description: consists predominantly of grey to pale-grey calcarenitic limestones...in much of the southwest...the limestones were deposited in deeper-water off-shelf environment and include large micritic mounds of chadian waulsortian type and asbian reef.
Environment:basinal (carbonate)
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Taxonomic list comments:Non-trilobites (aside from cephalopods) were not identified but listed as occurences. R = rare (< 5), P = present (5-20), C = common (> 20).
Metadata
Database number:5962
Authorizer:J. Alroy, P. Wagner Enterer:M. Sommers, P. Wagner
Modifier:C. Visaggi Research group:marine invertebrate
Created:2000-01-06 15:03:09 Last modified:2004-03-11 16:25:06
Access level:the public Released:2000-11-20 13:53:28
Creative Commons license:CC BY
Reference information

Primary reference:
379. J. W. Tilsley. 1988. New data on Carboniferous (Dinantian) trilobites from the Peak District, Derbyshire, England. Proceedings of the Yorkshire Geological Society 47:163-176 [J. Alroy/M. Sommers/M. Uhen]

Secondary references:

15993 W. Hind. 1900. A monograph of the British Carboniferous Lamellibranchiata. Pt. 1 (5): Coelodontidae, Solenomyidae, Conocardiidae, Cardiidae. Palaeontographical Society (London) 54:448-548 [P. Wagner/P. Wagner]
50499 J. W. Tilsley and D. Korn. 2009. Chadian (Tournaisian – Viséan, Carboniferous) ammonoids from the Milldale Limestone Formation of the southern Peak District, England. Proceedings of the Yorkshire Geological Society 57(3-4):217-234 [P. Wagner/P. Wagner/P. Wagner]