Cornstone Ledge, Charmouth (Jurassic of the United Kingdom)

Also known as Lyme Regis

Where: England, United Kingdom (50.7° N, 2.9° W: paleocoordinates 37.4° N, 3.8° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Ammonites obtusus ammonoid zone, Lias Group, Late/Upper Sinemurian (196.5 - 189.6 Ma)

• 19 beds

• group of beds-level stratigraphic resolution

Environment/lithology: marine; limestone

Size class: macrofossils

Reposited in the BMNH

Primary reference: T. Wright. 1860. On the Zone of Avicula contorta, and the Lower Lias of the South of England. Quarterly Journal of the Geological Society 16:374-411 [M. Carrano/H. Street]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 227267: authorized by Matthew Carrano, entered by Matthew Carrano on 28.09.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
  -
Reptilia indet. Laurenti 1768 reptile
"saurian skeletons"
 Ichthyosauria - Proteosauridae
"Ichthyosaurus platyodon" = Proteosaurus platyodon
"Ichthyosaurus platyodon" = Proteosaurus platyodon Conybeare 1822 ichthyosaur
 Ichthyosauria - Ichthyosauridae
"Ichthyosaurus intermedius" = Ichthyosaurus communis
"Ichthyosaurus intermedius" = Ichthyosaurus communis Conybeare 1821 ichthyosaur
Crinoidea
 Isocrinida - Pentacrinitidae
"Extracrinus briarcus" = Pentacrinites
"Extracrinus briarcus" = Pentacrinites Sea lily
Cephalopoda
 Nautilida - Cenoceratidae
"Nautilus striatus" = Cenoceras striatum
"Nautilus striatus" = Cenoceras striatum Sowerby 1817
 Ammonitida -
 Ammonitida - Eoderoceratidae
"Ammonites planicosta" = Promicroceras planicosta
"Ammonites planicosta" = Promicroceras planicosta Sowerby 1814 ammonite
 Ammonitida - Asteroceratidae
"Ammonites obtusus" = Asteroceras obtusum, "Ammonites stellaris" = Asteroceras stellare
"Ammonites obtusus" = Asteroceras obtusum Sowerby 1817 ammonite
"Ammonites stellaris" = Asteroceras stellare Sowerby 1815 ammonite
Bivalvia
 Myalinida - Inoceramidae
Inoceramus sp. Sowerby 1814 clam