Glossia obovata community, section 1E15 (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 75052: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 17.09.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Trilobita
 Odontopleurida - Odontopleuridae
"Leonaspis coronata" = Exallaspis coronata
"Leonaspis coronata" = Exallaspis coronata Salter 1853 trilobite
 Phacopida - Dalmanitidae
Craniata
 Craniopsida - Craniopsidae
Rhynchonellata
 Athyridida - Dayiidae
Protozeuga sp. Twenhofel 1914
 Orthida - Dalmanellidae
 Rhynchonellida - Camarotoechiidae
Plagiorhyncha sp. McLearn 1918
Strophomenata
 Strophomenida - Leptodontellidae
 Strophomenida - Aegiromenidae
"Aegiria grayi" = Jonesea grayi
"Aegiria grayi" = Jonesea grayi Davidson 1849
 Strophomenida - Strophochonetidae
Protochonetes minimus Sowerby 1839
Gastropoda
 Murchisoniina - Loxonematidae
"Loxonema sinuosa" = Loxonema sinuosum
"Loxonema sinuosa" = Loxonema sinuosum de Sowerby and Murchison 1839 snail
Cephalopoda
 Orthocerida - Orthoceratidae
 Oncocerida -
Bivalvia
 Myalinida - Ambonychiidae
 Cyrtodontida - Antipleuridae
 Modiomorphida - Modiomorphidae
Butovicella migrans Barrande 1881 clam
 Nuculida - Praenuculidae
Praenucula sp. Pfab 1934 clam