Edited by oilshale
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Tmetoceras scissum (Benecke 1865)
Images: 
By Ludwigia (edited)
Taxonomy
Ammonite
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Ammonitida
Family: Graphoceratidae
Genus: Tmetoceras
Species: Tmetoceras scissum
Author Citation Benecke 1865
Geological Time Scale
Eon: Phanerozoic
Era: Mesozoic
Period: Jurassic
Sub Period: None
Epoch: Middle
International Age: Early Aalenian
Stratigraphy
Lower Inferior Oolite Formation
Biostratigraphy
Scissum zone
Provenance
Acquired by: Purchase/Trade
Dimensions
Diameter: 3.5 cm
Location
Burton Cliffs
Burton Bradstock
Dorset
United Kingdom
Comments
Another ammonite species which gives its name both to the lithographical unit and the biostratigraphical zone. This zone is practically nonexistent in southern Germany, but interestingly enough, can be found both in Great Britain and France. For this reason I was pleased to recieve this specimen on a trade.
Lithography: Scissum Beds
Literature: Whicher, Sole & Chandler (2014): The Gastropod and Ammonite Fauna of two anomalous Facies in the Inferior Oolite of Burton Cliff, South Dorset. Proceedings of the Dorset Natural History & Archaeological Society. Vol. 135
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