Skiddaw Group fauna, Lake District, UK (Ordovician of the United Kingdom)

Where: England, United Kingdom (56.0° N, 3.0° W: paleocoordinates 56.0° N, 3.0° W)

• local area-level geographic resolution

When: Migneintian (485.4 - 478.6 Ma)

• Skiddaw Group

Environment/lithology: offshore; lithified, gray shale and siltstone

• Grey mudstone and siltstone with some thin sandstone beds

Primary reference: A. W. A. Rushton. 1988. Tremadoc trilobites from the Skiddow Group in the English Lake District. Palaeontology 31:677-698 [A. Miller/P. Novack-Gottshall/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 3709: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 07.08.1999, edited by John Alroy

Creative Commons license: CC BY (attribution)

Taxonomic list

• Trilobite systematics
Trilobita
 Agnostida - Metagnostidae
Geragnostus callavei trilobite
river Calder, Loc. 1
 Olenida - Eulomidae
Pareuloma expansum n. sp. trilobite
river Calder, Loc. 1
 Olenida - Olenidae
Parabolinella triarthroides Harrington 1938 trilobite
river Calder, Loc. 1
Peltocare olenoides trilobite
"Most are from Loc. 1; one or two specimens from each of Loc. 2 and 3"
 Ptychopariida - Shumardiidae
Shumardia sp. Billings 1862 trilobite
subgenus Conophrys: river Calder, Loc. 1
 Asaphida - Asaphidae
Niobina davidis trilobite
river Calder, Loc. 1
 Asaphida - Cyclopygidae
Prospectatrix brevior n. sp. trilobite
type and two others from river Calder, Loc. 1, fourth specimen from Loc. 2
Bohemilla sp. Barrande 1872 trilobite
subgenus Bohemilla: river Calder, Loc. 1
 Asaphida - Nileidae
Nileidae "indet. sp. 1" Angelin 1854 trilobite
river Calder, Loc. 1
Nileidae "indet. sp. 2" Angelin 1854 trilobite
river Calder, Loc. 1