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Ammonites | Ammonoidea

Welcome to a world of Ammonoids, here you'll find some unique ammonoid selections, whether you are looking for a small fossil gift or a opalescent iridescent Cleoniceras ammonites for yourself or someone special. Enjoy our museum quality fossils for sale; Ammonites that sit elegantly in your living-space surmounted and classically displayed on our custom designed bronze plinths or Heteromorph ammonites that transcend your personal style making your historic theme a reality. Discover more in our geological world of ammonoid/ammonite fossils, this ancient-prehistoric time offers Goniatites from Morocco including the notorious Madagascan Cleoniceras ammonite pairs through to with many other spectacular ammonoid fossils available here for sale.

  1. Perisphinctes Ammonites 84mm

    Perisphinctes Ammonites 84mm

    £32.00
    Perisphinctes Ammonites 80mm is the average diameter or maximum width of the little cephalopods. The delightfully distinct detail of each ammonite makes these ammonoids very desirable and collectable. Suitable for any emerging palaeontologist or established collection, read the fuller history below... Perisphinctus; type Dichotomoceras, bifurcatus (M. Collignon, 1959) Subfamily: Perisphinctinae Family: Perisphinctidae Super family: Perisphinctoidea Age: Jurassic period, Callovian - Oxfordian stages: 166 to 163 million years ago. Origin: Tulear, Madagascar. Approximate average measurement. Diameter: 8 cm Approximate average weight: 400 g Learn More
  2. 24% off
    Internal Nautilus Sculpture 176mm

    Nautilus Sculpture

    Regular Price: £82.00

    Special Price £62.00

    An Internal Oncocerida per-mineralised calcite (quartz), fossilised exoskeleton, once the aragonite shell produced by the mollusc (cephalopod). The fossil chambers of the nautiloid shell clearly distinguishable, the last being the largest chamber where the soft body of the cephalopod resided from where it would grow the next larger additional living chamber. The nautiloid an extinct marine cephalopod, its head and many smooth tentacles would have possibly been protected when in danger by a cover made of calcite (unlike the rest of the shell of aragonite), a hinged lid over the shell aperture. The white mineralised chambers were added in the cephalopods life as it grew, each chamber progressively larger than the preceding chamber. Read more below... Class: Cephalopoda Subclass: Nautiloidea; Agassiz, 1847 Scientific name: Nautiloidea Phylum: Mollusca Higher classification: Cephalopod Genus: Nautiloid, Nautiloidea, Cephalopoda, Oncocerida. Age: Palaeozoic era, Devonian period, Frasinian stage, approximately 383 to 372 million years. Origin: Near Erfoud, Province Errachidia, Western Desert, Morocco, North Africa. Nautilus measurements. Height: 17.6 cm Width: 16.8 cm Depth: 10 cm Approximate weight: 3,253 kg Learn More
  3. New Cleoniceras Sutured Ammonite 2

    Cleoniceras Sutured Ammonite 133mm

    £132.00
    The natural suture patterning is vivid and creates a nice contrast for the honey calcite colouration. The sutures frilly cream outlines also appear to give light and shading to the faces of the polished ammonite. A desirable Cleoniceras fossil ammonite from a classic fossil bed in Madagascar. Read the full description below... Genus: Cleoniceras ammonite, family Hoplitidae. Age: Albian 100 to 113 m.y.a., Cretaceous period 135 to 65 m.y.a Origin: N.E. Madagascar. E.Africa, South Indian Ocean Cleoniceras ammonite measurements. Diameter: 13.3 cm Weight: 0.518 g Learn More
  4. Opal Cleoniceras Ammonite 76mm

    Opal Cleoniceras Ammonite 76mm

    £142.00
    Opalescent cleoniceras ammonite excavated in the Mahajanga jungle of Madagascar. A wonderful tropical island environment, in the Indian Ocean, off the coast of South East Africa. This Island having the most unusual flora and fauna is also blessed with unique deposit of the colourful fossils. Rich minerals have developed in the earths layers creating unique depositions of plentiful fossils, some outcrop and have in recent years have been harvested for there natural beauty. Read the full description below.... Genus: Cleoniceras ammonite. Hoplitidae. Age: Albian 100 to 113 m.y.a., Cretaceous period 135 to 65 m.y.a Origin: N.E. Madagascar. E.Africa, South Indian Ocean Cleoniceras ammonite measurements. Height: 7.6 cm Width: 6 cm Depth: 2 cm Approximate weight: 0,112 g Learn More
  5. Opal Cleoniceras Ammonite 130mm

    Opal Cleoniceras Ammonite 130mm

    £602.00
    Opalescent cleoniceras ammonite excavated in the Mahajanga jungle of Madagascar. The unrivalled tropical island environment, in the Indian Ocean, off the coast of South East Africa. The Island having the most unusual flora and fauna is also blessed with a unique deposit of colourful mineralised fossils. Rich minerals developing in the earths layers have created unequalled depositions of rare fossils, some outcrop and have in recent years have been harvested for there natural beauty. Read the full description below... Genus: Cleoniceras ammonite. Age: Cretaceous, approximately 120 million years ago. Origin: Mahajanga Jungle, Madagascar. Cleoniceras ammonite measurements. Height: 13 cm Width: 10.7 cm Depth: 3.6 cm Approximate weight: 0,533 g Learn More
  6. Opal Desmoceras Ammonite 92mm

    Opal Desmoceras Ammonite 92mm

    £692.00
    Opalescent Desmocera ammonite excavated in the Mahajanga jungle of Madagascar. The unrivalled tropical island environment, in the Indian Ocean, off the coast of South East Africa. The Island having the most unusual flora and fauna is also blessed with a unique deposit of colourful mineralised fossils. Rich minerals developing in the earths layers have created unequalled depositions of rare fossils, some outcrop and have in recent years have been harvested for there natural beauty. Read the full description below... Genus: Desmoceras ammonite. Age: Cretaceous, approximately 120 million years ago. Origin: Mahajanga Jungle, Madagascar. Desmoceras ammonite measurements. Height: 7.91 cm Width: 9.25 cm Depth: 3.83 cm Approximate weight: 0,297 g Learn More
  7. Cleoniceras Ammonite Pair 268mm

    Cleoniceras Ammonite Pair 268mm

    £792.00
    Exceptional quality Cleoniceras ammonite pair 268mm. this ammonite is from Madagascar and has been carefully prepared, cut in half and polished in work shops in Madagascar, thus revealing the wonders of per-mineralisation and mineralization which take place over tens of thousands even millions of years over the fossil process. Each inner chamber of the extinct marine cephalopod has been replaced with calcite and quartz. Cleoniceras ammonite pairs include two acrylic stands for display. Cleoniceras ammonite measurements. Height: 26.8 cm Width: 22.2 cm Depth: 2.8 cm Approximate weight: 3,690 Kg Learn More
  8. 20% off
    Opalescent Ammonites On Slate

    Opalescent Ammonites On Slate

    Regular Price: £992.00

    Special Price £792.00

    Opalescent cleoniceras ammonites excavated in the Mahajanga jungle of Madagascar. A wonderful tropical island environment, in the Indian Ocean, off the coast of South East Africa. This Island having the most unusual flora and fauna is also blessed with a unique deposit of the colourful fossils. Rich minerals have developed in the earth layers creating unique depositions of plentiful fossils, some outcrop and have in recent years have been harvested for there natural beauty. Read the full description below... Genus: Cleoniceras ammonite. Age: Cretaceous, approximately 120 million years ago. Origin: Mahajanga Jungle, Madagascar. Slate measurement as accented in the first main image. Width: 59.4 cm Height: 44.1 cm Depth: 6.7 cm Largest Specimen: 14.5 cm Medium Specimen 11.6 cm: Smallest Specimen: 6.7 cm Approximate weight: 13.8 kg Learn More
  9. Emericiceras Barremense Ammonite 370mm

    Emericiceras Ammonite 370mm

    £2,122.00
    Emericiceras barremense ammonite fossil has been excavated from the original surround limestone matrix-bedrock, cleaned and prepared for display thus revealing what was once the marine crustaceans shell with tubercles and spines, the home of the once extant ammonite that used to habitate the prehistoric oceans which have, over millions of years, now become the Atlas Mountain range of Western Morocco. Genus: Emericiceras barremense ammonite. Age: Mesozoic era, lower Cretaceous Period, Barremian stage, approximately 129 to 125 million years. Origin: Agadir, Morocco, North Africa. Heteromorph ammonite dimensions. Height: 35.4 cm Width: 37 cm Depth: 16.1 cm Approximate weight: 19 Kg Learn More
  10. Procheloniceras Mantelliceras Ammonite 460mm

    Procheloniceras Mantelliceras Ammonite 460mm

    £2,202.00
    Genus: Procheloniceras (mantelliceras) ammonite. Origin: Peninsula of Tamri, Agadir province, Western Anti Atlas of Morocco, North Africa. Age: Mesozoic era, early Cretaceous, Barremian stage approximately 131 to 126 million years. Procheloniceras ammonite measurements. Diameter: 46 cm Approximate weight: 20 Kg Learn More
  11. Polished Goniatite Ammonoid 355mm

    Polished Goniatite Ammonoid 355mm

    £2,212.00
    Completely nature made, this wonderful example of a specimen goniatite is part of the cephalopoda group, a distant relative of nautili, octopi and modern squids, an ammonoid which is also a mollusc, this is the result of 400 million years of deposition and fossilisation, which has preserved the outer shell of the mollusc. The goniatite once had tentacles like a cuttle fish which it would use to grapple prey to force down into its mouth and eat with a horn beak like structure in its mouth much like a modern day squid. Read more below... Genus: Goniatite Ammonoid. Age: Palaeozoic era, Devonian, approximately 420 to 355 million years. Origin: Morocco, North Africa. Goniatite ammonoid measurements. Height: 31 cm Width: 35.5 cm Depth: 16 cm Approximate weight: 21.9 kg Learn More
  12. Audoliceras Heteromorph Ammonite 203mm

    Audoliceras Heteromorph Ammonite 203mm

    £2,600.00
    Genus: Audoliceras heteromorph. Age: Mesozoic era, Cretaceous period, 135 to 65 million years. Origin: Volga river formation, Saratov, Ulyanovsk region, Russia. Audoliceras heteromorph measurements. Height: 20.3 cm Width: 12.7 cm Depth: 5.1 cm Approximate weight: 2.322 Kg Learn More
  13. Audoliceras Heteromorph Ammonite 204mm

    Audoliceras Heteromorph Ammonite 204mm

    £3,302.00
    Audoliceras Heteromorph Ammonite 204mm in overall length set on its limestone associated base from the fossil bed in Russia. This is a striking example of the heteromorph group, an ammonite within the cephalopoda class, cephalopods are molluscs, some of these molluscs grew to great size as here in this fossilised fossil heteromorph ammonite shell. Genus: Audoliceras heteromorph. Age: Mesozoic era, Cretaceous period, 135 to 65 million years. Origin: Volga river formation, Saratov, Ulyanovsk region, Russia. Audoliceras heteromorph measurements. Height: 20.4 cm Width: 12.7 cm Depth: 5.1 cm Approximate weight: 2.322 Kg Learn More
  14. russian audoliceras heteromorph ammonite fossil

    Audoliceras Heteromorph Ammonite Duo

    £4,402.00
    Audoliceras Heteromorph Ammonite Duo, the two iridescent fossilised shells from the once extant free swimming cephalopoda. Found along side the Volga river region in Russia these very recognisable ammonites have the appealing and rare nacre of iridescence which defines the fossil deposition of the area. A fascinating natural event which has preserved these two impressive fossil specimens through to today. Genus: Audoliceras heteromorphs. Age: Mesozoic era, Cretaceous period, 135to 65 million years. Origin: Volga river formation, Saratov, Ulyanovsk region, Russia. Right Audoliceras heteromorph measurements. Length: 22 cm Width: 5.2 cm Right Audoliceras heteromorph measurements. Length: 20.3 cm Width: 5.2 cm Overall measurements. Height: 24 cm Width: 34.5 cm Depth: 20.5 cm Approximate weight: 9,000 Kg Learn More