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Read more about Ptychophylloceras euphyllum (in french)
Taxonomy
Species: Ptychophylloceras euphyllum
Subgenus: Tatrophylloceras
Genus: Ptychophylloceras
Subfamily: Ptychophylloceratinae
Family: Phylloceratidae
Superfamily: Phylloceratoidea
Suborder: Phylloceratina
Order: Ammonitida
Stratigraphy
Period: Jurassic
Stage: Oxfordian
Locality
Country of origin: Madagascar
Department/District of origin: Atsimo-Andrefana
Additional note
The label indicated this ammonite is from the Oxfordian stage. However, I have some doubts, as Hervé Châtelier's website indicates this species isn't typically found in the Oxfordian of Madagascar (https://www.ammonites.org/Fiches/0868.htm)
Miscellaneous
Collection number: 310
Scanner: OpenScan Mini