Proplanulites koenigi Fossil Ammonite Lower Callovian Jurassic Manor Farm Wiltshire UK Genuine
£ 36.00
A rare and well-preserved specimen of Proplanulites koenigi, a classic ammonite
species from the Lower Callovian stage of the Middle Jurassic, collected at Manor Farm, Wiltshire, United Kingdom. This specimen offers excellent preservation of morphological features and represents a key taxon in Middle Jurassic ammonite biostratigraphy.
• Fossil Type: Ammonite (extinct marine cephalopod)
• Species: Proplanulites koenigi
• Size: See image with 1cm scale cube for sizing
• Geological Period: Jurassic
• Stage: Lower Callovian (~166–164 million years ago)
• Biozone (typical): Macrocephalites gracilis Zone
• Locality: Manor Farm, Wiltshire, England, UK
• Family: Stephanoceratidae
• Superfamily: Stephanoceratoidea
• Order: Ammonitida
• Depositional Environment: Shallow marine sea with fine-grained calcareous muds, part of the Oxford Clay succession common to southern England GEOLOGICAL & SCIENTIFIC SIGNIFICANCE:Proplanulites koenigi is a distinctive ammonite species that typically marks the Macrocephalites gracilis Zone of the Lower Callovian. These ammonites are known for their planispiral, compressed shells with relatively smooth flanks and subtle ribbing. Their suture lines and evolute coiling pattern make them ideal for both collectors and biostratigraphic studies.The Manor Farm site in Wiltshire is part of the wider Oxford Clay basin, an exceptionally rich fossil-bearing formation spanning much of southern England. This marine clay formation preserves a wide variety of ammonites, bivalves, belemnites, and marine reptiles, offering insight into a dynamic Jurassic sea. NOTABLE FEATURES:
• Clean, compressed planispiral shell structure
• Light ribbing with strong suture definition
• Well-documented zonal index fossil for the Lower Callovian
• From a classic fossil locality in southern EnglandAuthenticity Guaranteed: All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity, ensuring full traceability and scientific accuracy.Photo Disclosure: You will receive the exact specimen pictured. Scale cube shown in the photo is 1cm per square for reference.This Proplanulites koenigi ammonite is an excellent example of a Middle Jurassic index fossil, ideal for academic collections, educational display, or personal enjoyment by fossil enthusiasts.
species from the Lower Callovian stage of the Middle Jurassic, collected at Manor Farm, Wiltshire, United Kingdom. This specimen offers excellent preservation of morphological features and represents a key taxon in Middle Jurassic ammonite biostratigraphy.
• Fossil Type: Ammonite (extinct marine cephalopod)
• Species: Proplanulites koenigi
• Size: See image with 1cm scale cube for sizing
• Geological Period: Jurassic
• Stage: Lower Callovian (~166–164 million years ago)
• Biozone (typical): Macrocephalites gracilis Zone
• Locality: Manor Farm, Wiltshire, England, UK
• Family: Stephanoceratidae
• Superfamily: Stephanoceratoidea
• Order: Ammonitida
• Depositional Environment: Shallow marine sea with fine-grained calcareous muds, part of the Oxford Clay succession common to southern England GEOLOGICAL & SCIENTIFIC SIGNIFICANCE:Proplanulites koenigi is a distinctive ammonite species that typically marks the Macrocephalites gracilis Zone of the Lower Callovian. These ammonites are known for their planispiral, compressed shells with relatively smooth flanks and subtle ribbing. Their suture lines and evolute coiling pattern make them ideal for both collectors and biostratigraphic studies.The Manor Farm site in Wiltshire is part of the wider Oxford Clay basin, an exceptionally rich fossil-bearing formation spanning much of southern England. This marine clay formation preserves a wide variety of ammonites, bivalves, belemnites, and marine reptiles, offering insight into a dynamic Jurassic sea. NOTABLE FEATURES:
• Clean, compressed planispiral shell structure
• Light ribbing with strong suture definition
• Well-documented zonal index fossil for the Lower Callovian
• From a classic fossil locality in southern EnglandAuthenticity Guaranteed: All of our fossils are 100% genuine specimens and come with a Certificate of Authenticity, ensuring full traceability and scientific accuracy.Photo Disclosure: You will receive the exact specimen pictured. Scale cube shown in the photo is 1cm per square for reference.This Proplanulites koenigi ammonite is an excellent example of a Middle Jurassic index fossil, ideal for academic collections, educational display, or personal enjoyment by fossil enthusiasts.
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