Coombe Quarry, Mapperton, Bed 4 (Jurassic of the United Kingdom)

Where: United Kingdom (50.8° N, 2.7° W: paleocoordinates 39.8° N, 8.2° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Parkinsoni (171.6 - 167.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, lenticular, gray packstone

• Limestones, biodetrital, mainly biosparitic packstones, fairly well sorted, the clasts largely echinodermal; hard, massive, white

Size class: macrofossils

Primary reference: R. Chandler and J. Callomon. 2009. The Inferior Oolite at Coombe Quarry, near Mapperton, Dorset, and a new Middle Jurassic ammonite faunal horizon, Aa-3b, Leioceras comptocostosum n.biosp. in the Scissum Zone of the Lower Aalenian. Proceedings of the Dorset Natural History and Archaeological Society 130:99-132 [M. Aberhan/T. Schossleitner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 141364: authorized by Martin Aberhan, entered by Thomas Schossleitner on 26.03.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Carditida - Astartidae
 Ammonitida - Lissoceratidae
Lissoceras sp. Bayle 1879 ammonite
 Ammonitida - Oppeliidae
"Oppelia cf. subradiata" = Oppelia (Oppelia) subradiata d'Orbigny 1823 ammonite
Oxycerites cf. aspidoides Oppel 1857 ammonite
 Ammonitida - Stephanoceratidae
Garantiana sp. Maschke 1907 ammonite
Parkinsonia sp. ammonite
Parkinsonia parkinsoni Sowerby 1821 ammonite
Parkinsonia cf. rarecostata Buckman 1881 ammonite