Sphaerirhynchia wilsoni association, lower Leintwardine Beds (Silurian of the United Kingdom)

Where: England, United Kingdom (52.4° N, 2.7° W: paleocoordinates 26.4° S, 12.6° W)

• coordinate based on political unit

When: Leintwardine Beds Formation, Ludlow (427.4 - 423.0 Ma)

• "Ludlow series, lower Leintwardine Beds"

Environment/lithology: offshore; siltstone

• "coquinoid sltst, bioturbated; shell beds; sheet sands; rippling storm beds. shelf; Pentamerus Comm. equiv.; proximal shelf environment"

Size class: macrofossils

Primary reference: 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]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 479: authorized by Jack Sepkoski, entered by Mike Sommers on 15.12.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

• 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.

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