Edited by oilshale
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Bigotites (Prorsisphinctes) pseudomartinsi (Siemiradszki 1899)
Images: 
By Ludwigia (edited)
Taxonomy
Ammonite
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Ammonitida
Family: Perisphinctidae
Genus: Bigotites (Prorsisphinctes)
Species: Bigotites (Prorsisphinctes) pseudomartinsi
Author Citation Siemiradszki 1899
Geological Time Scale
Eon: Phanerozoic
Era: Mesozoic
Period: Jurassic
Sub Period: None
Epoch: Middle
International Age: Late Bajocian
Stratigraphy
Parkinsoni Oolite Formation
Biostratigraphy
garantiana zone
tetragona Subzone
Provenance
Collector: Roger Furze
Date Collected: 08/16/2012
Acquired by: Field Collection
Dimensions
Diameter: 11 cm
Location
Geisingen a. d. Donau
Baden-Wuerttemberg
Germany
Comments
This specimen was found on a plowed field. It is practically complete with well-preserved shell. A small portion of the venter on the outer whorl between 1 & 3 o'clock was missing and was restored with modelling clay and touched up with water colors. Tube worms and oysters settle on the inner whorls of the reverse side, probably after death and deposition, which indicates which side was up on the ocean floor.
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