Glossia obovata community, section 1E13 (Silurian of the United Kingdom)

Where: Wales, United Kingdom (52.0° N, 4.0° W: paleocoordinates 25.2° S, 12.8° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Middle Elton Formation, Elton (423.0 - 421.3 Ma)

• Glossia obovata community. Listed as Eltonian; Mudstone facies

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; lithified, bioturbated, argillaceous mudstone and lithified siltstone

• Approximately 50% clay, 0% 1-2% shells, sand, lacking sedimentary structures. "Very low energy, distal shelf"
• Uniform, bioturbated, clay-rich mudstone with very rare (<1%) laminated silt beds

Size classes: macrofossils, mesofossils

Collection methods: 210 and table 17: Two samples with smallest thickness selected; 1E13 is 5 cm thick, 421 cm above base of section

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 75051: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 17.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Craniata
 Craniopsida - Craniopsidae
Strophomenata
 Strophomenida - Strophochonetidae
Protochonetes minimus Sowerby 1839
 Strophomenida - Aegiromenidae
"Aegiria grayi" = Jonesea grayi
"Aegiria grayi" = Jonesea grayi Davidson 1849
 Strophomenida - Leptodontellidae
 Strophomenida - Eopholidostrophiidae
Mesopholidostrophia laevigata de Sowerby and Murchison 1839
 Strophomenida - Rafinesquinidae
"Ludfordina pixis" = Glossoleptaena pixis
"Ludfordina pixis" = Glossoleptaena pixis Kelly 1967
Rhynchonellata
 Spiriferida - Delthyrididae
Howellella elegans Muir-Wood 1925
 Protorthida - Skenidiidae
Skenidioides lewisii Davidson 1848
 Rhynchonellida - Camarotoechiidae
Plagiorhyncha sp. McLearn 1918
 Orthida - Dalmanellidae
Cephalopoda
  -
Cephalopoda indet. Cuvier 1797
 Orthocerida - Orthoceratidae
Gastropoda
 Bellerophontida - Tropidodiscidae
Temnodiscus salopiensis Reed 1921 snail
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Cyrtodontida - Cardiolidae
Trilobita
 Phacopida - Calymenidae
Calymene sp. Brongniart 1822 trilobite
 Phacopida - Dalmanitidae
 Odontopleurida - Odontopleuridae
"Leonaspis coronata" = Exallaspis coronata
"Leonaspis coronata" = Exallaspis coronata Salter 1853 trilobite