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in: English localities, Cretaceous paleontological sites of Europe

Wessex Formation

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The Wessex Formation is an English fossil site and geological formation that dates back to the Barremian stage of the Early Cretaceous. It is part of the Wealden Group and underlies the younger Vectis Formation.

Fauna[]

Invertebrates[]

Invertebrates are commonly preserved in the Wessex Formation. Freshwater bivalves can be found including unionoids such as Margaritifera, Nippononaia, and Unio. These bivalves are helpful in reconstructing what the freshwater paleoenvironment may have been like during the formation's deposition. Specimens of Viviparus, a genus of freshwater snail, have also been found. Cretamygale chasei, a species of Mygalomorph spider, has been described from a specimen found in amber. It is believed to be the oldest known Nemesiid and the second oldest Mygalomorph[1].

Fish[]

Cartilaginous fish of the Wessex Formation
Taxa Presence Description Images

Genus:

  1. H. basanus

Genus:

  • Hylaeobatis
  1. H. problematica

Genus:

  • Palaeoscyllium
  1. Palaeoscyllium sp.

Genus:

  • Vectiselachos
  1. V. ornatus
Bony fish of the Wessex Formation
Taxa Presence Description Images

Genus:

  • Caturus
  1. Caturus sp.
Caturus sp.

Caturus sp.

Coelodus

Coelodus

Genus:

  1. Coelodus sp.

Genus:

  1. Lepidotes sp.

Turtles[]

Turtles of the Wessex Formation
Taxa Presence Description Images

Genus:

  • Helochelydra
  1. H. anglica

Genus:

  1. P. planiceps

Genus:

  • Tretosternum
  1. T. ambiguum

Crocodyliforms[]

Crocodyliforms of the Wessex Formation
Taxa Presence Description Images

Genus:

  1. B. fagesii
Bernissartia fagesii

Bernissartia fagesii

Genus:

  1. G. cressidens

Genus:

  • Oweniasuchus
  1. Oweniasuchus sp.

Genus:

  • Pholidosaurus
  1. P. meyeri

Genus:

  • Theriosuchus
  1. Theriosuchus sp.

Genus:

  • Vectisuchus
  1. V. leptognathus

Pterosaurs[]

Pterosaurs of the Wessex Formation
Taxa Presence Description Images

Genus:

  1. C. trimicrodon
Istiodactylus latidens

Istiodactylus latidens

Genus:

  1. I. latidens

Genus:

  1. Ornithocheirus sp.

Dinosaurs[]

Ornithischians[]

Ornithischians of the Wessex Formation
Taxa Presence Description Images

Genus:

  • Dollodon
  1. D. bampingi
Dollodon bambingi

Dollodon bambingi

hypsilophodon foxii

hypsilophodon foxii

Iguanodon bernissartensis

Iguanodon bernissartensis

Mantellisaurus atherfieldensis

Mantellisaurus atherfieldensis

Genus:

  1. H. foxii

Genus:

  1. I. bernissartensis

Genus:

  1. M. atherfieldensis

Genus:

  1. P. foxii
  2. P. rudgwickensis

Genus:

  1. R. northamptoni

Genus:

  1. V. canaliculatus

Sauropods[]

Sauropods of the Wessex Formation
Taxa Presence Description Images

Genus:

Genus:

  • Chondrosteosaurus
  1. C. gigas

Superfamily:

  1. Family, genus, and species indeterminant.

Genus:

  • Eucamerotus
  1. E. foxi

Genus:

  1. I. valdensis

Genus:

  1. O. armatus

Genus:

  1. O. hulkei

Genus:

  1. P. humerocristatus

Genus:

  • Pleurocoelus
  1. P. altus

Family:

  1. Genus and species indeterminant.

Theropods[]

Theropods of the Wessex Formation
Taxa Presence Description Images

Genus:

  1. A. pussilis

Genus:

  1. B. walkeri
Baryonyx walkeri

Baryonyx walkeri

Neovenator salterii

Neovenator salterii

Genus:

  1. C. foxi

Genus:

  1. C. oweni

Genus:

  1. E. lengi

Genus:

  1. N. salerii

Genus:

  1. O. cluniculus

Genus:

  1. S. cultridens

Genus:

  1. T. daviesi

Suborder:

  1. Order, family, genus, and species indeterminant.

Subfamily:

  1. Genus and species indeterminant.

Genus:

  1. Y. bitholus

See also[]

References[]

  1. ^ Selden, Paul A. (2003). First British Mesozoic Spider, From Cretaceous Amber Of The Isle Of Wight, Southern England. Palaeontology 45(5): 973-983


External links[]

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