Hallaig, Raasay (Bed 30) (Jurassic of the United Kingdom)

Where: United Kingdom (57.4° N, 6.0° W: paleocoordinates 44.0° N, 2.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Pleuroceras apyrenum ammonoid zone, Scalpa Sandstone Formation, Spinatum (189.6 - 183.0 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; ooidal, gray, sandy limestone and micaceous, black, calcareous shale

• "Alternating beds about 6 inches thick of grey oolitic sandy limestone and black micaceous calcified shale. In section 7 the top 4 feet is a band of huge calcareous doggers and the lower 8 1/2 feet is massive sandstone." (Howarth 1956)

Size class: macrofossils

Primary reference: M. K. Howarth. 1956. The Scalpa Sandstone of the Isle of Raasay, Inner Hebrides. Proceedings of the Yorkshire Geological Society 30(19):353-370 [A. Dunhill/B. Allen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 218424: authorized by Alex Dunhill, entered by Bethany Allen on 23.02.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Rhynchonellata
 Rhynchonellida - Tetrarhynchiidae
Tetrarhynchia tetrahedra
 Rhynchonellida - Rhynchonellidae
Homoeorhynchia acuta
Homoeorhynchia acuta Sowerby 1816
Cephalopoda
 Ammonitida - Liparoceratidae
Pleuroceras spinatum, Pleuroceras solare, Pleuroceras birdi, "Pleuroceras salebrosum" = Amaltheus salebrosum
Pleuroceras spinatum Bruguière 1789 ammonite
Pleuroceras solare Phillips 1829 ammonite
Pleuroceras birdi Simpson 1843 ammonite
"Pleuroceras salebrosum" = Amaltheus salebrosum Hyatt 1867 ammonite