Description
Offering a RARE Streblites tenuilobatus ammonite fossil, a beautifully preserved specimen from the Lower Kimmeridgian stage of the Late Jurassic, found in the classic fossil-rich beds of Gersingen, Germany.
Streblites tenuilobatus is a noteworthy species within the Streblitidae family. Known for its compressed, involute shell and sinuous ribbing, it often exhibits subtle ornamentation and a narrow umbilicus. This genus is important in stratigraphic studies of the Kimmeridgian, where it serves as a useful biostratigraphic marker.
This fossil is the exact specimen shown in the photos, and features a scale cube (1cm squares) for accurate sizing. As always, all our fossils are 100% genuine specimens, and include a Certificate of Authenticity for peace of mind.
Geological & Scientific Information:
- Species: Streblites tenuilobatus
- Type: Fossil Ammonite (extinct marine cephalopod mollusc)
- Geological Period: Jurassic
- Stage: Lower Kimmeridgian (approx. 157–154 million years ago)
- Location Found: Gersingen, Germany
- Order: Ammonitida
- Superfamily: Perisphinctoidea
- Family: Streblitidae
- Morphological Features: Strongly involute and compressed whorls, narrow umbilicus, fine sigmoidal ribbing, sometimes with faint tubercles
- Biozone: Often linked with the Divisum and Aulacostephanus Zones of the Lower Kimmeridgian ammonite zonation
- Depositional Environment: Shallow marine basin setting with fine-grained marl and limestone sediments; typical of the southern German platform deposits during transgressive marine conditions
- Scientific Importance: Streblites is of key significance in Jurassic ammonite biostratigraphy and palaeobiogeography; species such as S. tenuilobatus are used to correlate Kimmeridgian sequences across Europe
Additional Notes:
This specimen is a fine representation of a classic ammonite genus. The subtle ribbing and preserved detail make it both a collector’s item and a scientific reference point.
Why Buy From Us?
- 100% genuine fossils with verified provenance
- Supplied with a Certificate of Authenticity
- You will receive the exact specimen shown
- Ideal for private collectors, educators, and display
Enrich your fossil collection with this stunning Streblites tenuilobatus—a rare ammonite from the Jurassic seas of southern Germany.






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