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Graphoceras (Ludwigella) rudis (Buckman 1889)
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By Ludwigia
Taxonomy
Ammonite
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Order: Ammonitida
Family: Graphoceratidae
Genus: Graphoceras (Ludwigella)
Species: Graphoceras (Ludwigella) rudis
Author Citation Buckman 1889
Geological Time Scale
Eon: Phanerozoic
Era: Mesozoic
Period: Jurassic
Sub Period: None
Epoch: Middle
International Age: Late Aalenian
Stratigraphy
Achdorf Formation
Geisingen Oolith Member
Biostratigraphy
Concavum zone
Provenance
Collector: Roger Furze
Date Collected: 11/12/2011
Acquired by: Purchase/Trade
Dimensions
Diameter: 4 cm
Location
Clay pit
Geisingen a. d. Donau
Baden-Wuerttemberg
Germany
Comments
The subgenus Ludwigella is a collective term for what are believed to be microconches for the genus Graphoceras.
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