GAULT AMMONOIDEA
Protissotia itierianum (d'Orbigny 1841)

two examples of this rare ammonite from the Late Albian of Folkestone, KENT

Catalogue No: PF/A/0256/JKC
Site: Folkestone, KENT
Family: LYELLICERATIDAE Spath, 1921
Subfamily: STOLICZKAIINAE Breistroffer, 1953
Genus: Protissotia COLLIGNON, 1932
Species: Protissotia itierianum (d'Orbigny 1841)
Measurement : Diameter 21mm
Albian Stage: Late Albian
Bed & Position: Bed VIII D. cristatum Subzone - in-situ foreshore exposure - immediately above upper cristatum nodule bed.
Preservation: Pyritised
References:

a. Wright C. W. 1996. Treatise on Invertebrate Paleontology (Part L Mollusca 4 Revised) Volume 4: Cretaceous Ammonoidea

b. Spath L. F. 1929. A Monograph of the Ammonoidea of the Gault; Part VIII. Palaeontographical Society London

 

Catalogue No: PF/A/0243/JKC
Site: Folkestone, KENT
Family: LYELLICERATIDAE Spath, 1921
Subfamily: STOLICZKAIINAE Breistroffer, 1953
Genus: Protissotia COLLIGNON, 1932
Species: Protissotia itierianum (d'Orbigny 1841)
Measurement : Diameter 18mm
Albian Stage: Late Albian
Bed & Position: not recorded but likely Dipoloceras cristatum Subzone or Hysteroceras orbignyi Subzone
Preservation: Pyritised
References:

a. Wright C. W. 1996. Treatise on Invertebrate Paleontology (Part L Mollusca 4 Revised) Volume 4: Cretaceous Ammonoidea

b. Spath L. F. 1929. A Monograph of the Ammonoidea of the Gault; Part VIII. Palaeontographical Society London

 

Collection Thomas Miller
Site: Folkestone, KENT
Family: LYELLICERATIDAE Spath, 1921
Subfamily: STOLICZKAIINAE Breistroffer, 1953
Genus: Protissotia COLLIGNON, 1932
Species: Protissotia itierianum (d'Orbigny 1841)
Measurement : Diameter 27mm
Albian Stage: Late Albian
Bed & Position: Bed VIII - Dipoloceras cristatum Subzone or Hysteroceras orbignyi Subzone
Preservation: Pyritised with soft preservation
References:

a. Wright C. W. 1996. Treatise on Invertebrate Paleontology (Part L Mollusca 4 Revised) Volume 4: Cretaceous Ammonoidea

b. Spath L. F. 1929. A Monograph of the Ammonoidea of the Gault; Part VIII. Palaeontographical Society London

 

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