Llandeilo Distal Siltstone-mudstone facies, Llandeilo, Wales, UK (Ordovician of the United Kingdom)

Where: Wales, United Kingdom (52.0° N, 4.0° W: paleocoordinates 50.9° S, 18.6° W)

• local area-level geographic resolution

When: Late/Upper Llandeilo (461.1 - 458.4 Ma)

• Facies assemblage of formations in the Type Llandeilo; includes portions of the Flags and Limestones formations

Environment/lithology: offshore; lithified shale and siltstone

• Primarily mudstone interbedded with fine-grained siltstones, few structures and little evidence of in-place stoirm suspension; below normal wave base

Size class: macrofossils

Primary reference: C. J. Wilcox and M. G. Lockley. 1981. A reassessment of facies and faunas the type Llandeilo (Ordovician), Wales. Palaeogeography, Palaeoclimatology, Palaeoecology 34(3-4):285-314 [A. Miller/P. Novack-Gottshall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 3364: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 31.07.1999

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Trinucleida - Trinucleidae
Marrolithus sp.
Marrolithus sp. Bancroft 1929 trilobite
 Asaphida - Asaphidae
"Ogygiocarella sp." = Ogygiocaris, Basilicus sp.
"Ogygiocarella sp." = Ogygiocaris Angelin 1854 trilobite
Basilicus sp. Salter 1849 trilobite
Lingulata
 Lingulida - Trematidae
Schizocrania sp.
Schizocrania sp. Hall and Whitfield 1875
Rhynchonellata
 Orthida - Heterorthidae
Tissintia sp.