Description
This stunning Orthogarantiana schroederi Fossil Ammonite is from the Upper Bajocian stage of the Jurassic period, discovered in Madagascar. The fossil is a 100% genuine specimen, and comes with a Certificate of Authenticity. With its well-preserved spiral structure and distinct features, this ammonite provides an excellent example of marine life from the Upper Bajocian period.
Geology and Fossil Type
- Geological Stage: Upper Bajocian, Jurassic
- Depositional Environment: Marine (The Upper Bajocian stage in Madagascar was a marine environment, ideal for the preservation of ammonite fossils like Orthogarantiana schroederi, which thrived in shallow seas.)
- Family: Ammonitidae (the family of ammonites)
- Superfamily: Ammonitoidea
- Order: Ammonitida (the order of ammonites, part of the Cephalopoda class, related to modern squid and octopus)
Morphology Features
The Orthogarantiana schroederi ammonite features a distinct spiral shape with well-defined ribbing and suture lines. The spiral shell is preserved in excellent condition, showcasing the intricate ribbed surface and suture pattern typical of ammonites from the Bajocian period. Its size and shape are characteristic of the genus, offering insight into the physical characteristics of this ancient species.
Biozone
The Upper Bajocian biozone is a marine zone from the Middle Jurassic, rich in ammonite fossils. Fossils from this biozone provide crucial information about the evolution and diversification of marine life during this period, with ammonites like Orthogarantiana schroederi being key species that populated the ancient seas.
Notable Features
This fossil is particularly notable for its preservation and the clarity of its spiral shape. The well-preserved ribbing and suture lines make it a highly collectible specimen for anyone interested in Jurassic ammonites or marine life from Madagascar. The fossil provides an excellent representation of the Orthogarantiana schroederi species.
Size and Presentation
- Scale Rule Squares: 1cm
- Full sizing is provided in the photos, so you can see the exact size of the ammonite.
- Actual Fossil: The fossil pictured is the exact piece you will receive.
Key Selling Points
- 100% Genuine Fossil
- Comes with a Certificate of Authenticity
- A well-preserved Orthogarantiana schroederi ammonite from the Upper Bajocian, Jurassic period
- Excellent ribbing, suture lines, and spiral shape
- Perfect for collectors and those interested in Jurassic marine life
This Orthogarantiana schroederi Fossil Ammonite is an outstanding specimen from the Upper Bajocian stage of the Jurassic period. Its excellent preservation and unique features make it a rare and valuable addition to any fossil collection, particularly for those interested in the marine ecosystems of the Jurassic period.
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