Sphaerirhynchia wilsoni association, lower Leintwardine Beds: Ludlow, United Kingdom

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Tentaculita - Cornulitida - Cornulitidae
Cornulites serpularius
Lingulata - Lingulida - Lingulidae
Lingula lewisii
Strophomenata - Strophomenida - Strophochonetidae
Protochonetes ludloviensis Muir-Wood 1962
Strophomenata - Strophomenida - Shaleriidae
Shaleria ornatella (Davidson 1871)
recombined as Shaleria (Janiomya) ornatella
Strophomenata - Strophomenida - Rafinesquinidae
Leptaena depressa (Sowerby 1824)
recombined as Leptaena (Leptaena) depressa
Lepidoleptaena sp. Havlicek 1963
Rhynchonellata - Spiriferida - Delthyrididae
Howellella elegans Muir-Wood 1925
Rhynchonellata - Athyridida - Hyattidinidae
Hyattidina canalis
Rhynchonellata - Athyridida - Dayiidae
Dayia navicula (Sowerby 1839)
Rhynchonellata - Atrypida - Atrypidae
Atrypa reticularis (Linnaeus 1758)
original and current combination Anomia reticularis
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Camarotoechia nucula (Sowerby 1839)
recombined as Microsphaeridiorhynchus nucula
Rhynchonellata - Rhynchonellida - Hebetoechiidae
Sphaerirhynchia wilsoni (de Sowerby 1816)
Rhynchonellata - Orthida - Draboviidae
Salopina lunata (Sowerby 1839)
Rhynchonellata - Orthida - Dalmanellidae
Isorthis clivosa
Isorthis orbicularis
Tentaculitida - Tentaculitidae
Tentaculites tenuis
Stenolaemata - Trepostomata
? Trepostomata indet. Ulrich 1882
7 species, ramose bryozoans - originally entered as "? Trepostomata indet."
Gastropoda - Bellerophontida - Pterothecidae
Bucanopsis expansus (de Sowerby and Murchison 1839)
recombined as Phragmosphaera expansus
Gastropoda - Euomphalina - Oriostomatidae
Cyclonema corallii (de Sowerby and Murchison 1839)
original and current combination Turbo corallii
Bivalvia
Bivalvia informal sp. D Linnaeus 1758
Bivalvia - Nuculida - Praenuculidae
Similodonta sp. Soot-Ryen 1964
Bivalvia - Ostreida - Pterineidae
Pteronitella retroflexa
Ptychopteria tenuistriata
Actinopteria sowerbyi
Bivalvia - Cyrtodontida - Cardiolidae
Cardiola interrupta
Bivalvia - Grammysiidae
Sedgwickia amygdalina
Bivalvia - Modiomorphida - Cypricardiniidae
Cypricardinia subplanulata
Bivalvia - Modiomorphida - Modiomorphidae
Modiomorphidae informal sp. A Miller 1877
Goniophora cymbaeformis (Sowerby 1839)
recombined as Goniophora (Goniophora) cymbaeformis
Bivalvia - Lucinida - Mactromyidae
Paracyclas insueta
Trilobita - Proetida - Proetidae
Proetus obconicus Lindstrom 1885
recombined as Plesiowensus obconicus
Trilobita - Phacopida - Calymenidae
Calymene neointermedia
Trilobita - Phacopida - Acastidae
Acastella spinosa
Anthozoa - Rugosa
Rugosa indet. Milne-Edwards and Haime 1850
trochoid corals
see common names

Geography
Country:United Kingdom State/province:England
Coordinates: 52.4° North, 2.7° West (view map)
Paleocoordinates:26.4° South, 12.6° West
Basis of coordinate:based on political unit
Time
Period:Silurian Epoch:Ludlow
10 m.y. bin:Silurian 2
Key time interval:Ludlow
Age range of interval:427.40000 - 423.00000 m.y. ago
Stratigraphy
Formation:Leintwardine Beds
Stratigraphy comments: "Ludlow series, lower Leintwardine Beds"
Lithology and environment
Primary lithology:hummocky CS siltstone
Environment:offshore
Geology comments: "coquinoid sltst, bioturbated; shell beds; sheet sands; rippling storm beds. shelf; Pentamerus Comm. equiv.; proximal shelf environment"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:field collection
Reason for describing collection:paleoecologic analysis
Taxonomic list comments:Table 19 from Watkins: need to split this by beds!
Jack's original genus-only list replaced with Watkin's original list. Jack's list was:
Crinoidea - Crinoidea indet.
Triploblastica Tentaculitida - Tentaculitidae Tentaculites sp.
Strophomenata Strophomenida - Amphistrophiidae Amphistrophia sp.
Strophomenida - Leptostrophiidae Leptostrophia sp.
Strophomenida - Shaleriidae Shaleria sp.
Strophomenida - Strophonellidae Strophonella sp.
Strophomenida - Rafinesquinidae Leptaena sp.
Strophomenida - Eopholidostrophiidae Mesopholidostrophia sp.
Productida - Strophochonetidae Protochonetes sp., Shagamella sp.
Rhynchonellata Athyridida - Dayiidae Dayia sp.
Athyridida - Hyattidinidae Hyattidina sp.
Athyridida - Rhynchospirinidae Rhynchospirina sp.
Atrypida - Atrypidae Atrypa sp.
Rhynchonellida - Hebetoechiidae Sphaerirhynchia sp.
Rhynchonellida - Camarotoechiidae Camarotoechia sp.
Rhynchonellida - Rhynchonellidae Rhynchonellidae sp.
Spiriferida - Spiriferida indet.
Spiriferida - Delthyrididae Howellella sp.
Pentamerida - Gypidulidae Gypidula sp.
Orthida - Draboviidae Salopina sp.
Orthida - Rhipidomellidae Dalejina sp.
Orthida - Dalmanellidae Isorthis sp.
Lingulata Lingulida - Discinidae Orbiculoidea sp.
Lingulida - Lingulidae Lingula sp.
Craniata Craniopsida - Craniopsidae Craniops sp.
Gastropoda Euomphalina - Euomphalidae ? Poleumita sp.
Euomphalina - Platyceratidae Cyclonema sp., Leptozone sp.
Prosobranchia - Archaeogastropoda indet.
Murchisoniina - Gosseletinidae ? Promourlonia sp.
Tentaculita Cornulitida - Cornulitidae Cornulites sp.
Cephalopoda Nautiloidea - Nautiloidea indet.
Bivalvia Cardiidia - Grammysiidae Sedgwickia sp.
Modiomorphida - Modiomorphidae Goniophora sp.
Lucinida - Mactromyidae Paracyclas sp.
Ostreida - Pterineidae Pteronitella sp., Ptychopteria sp.
Protobranchia - Malletiidae Nuculites sp.
Stenolaemata Trepostomata - ? Trepostomata indet.
Anthozoa Rugosa - Rugosa indet.
Metadata
Database number:479
Authorizer:J. Sepkoski Enterer:M. Sommers
Modifier:M. Uhen Research group:marine invertebrate
Created:1998-12-15 16:29:40 Last modified:2017-01-28 17:24:44
Access level:the public Released:1998-12-15 16:29:40
Creative Commons license:CC BY
Reference information

Primary reference:
25317. R. Watkins. 1979. Benthic community organization in the Ludlow Series of the Welsh Borderland. Bulletin of the British Museum of Natural History (Geology) 31:175-280 [P. Novack-Gottshall/P. Hearn/J. Ju]