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Ammonoids | Ammonites

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 nortorious 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

    A Internal Oncocerida per-mineralised calcite (quartz), fossilised exoskeleton, once the aragonite shell produced by the nautiloid cephalopod. The now fossil chambers of the nautiloid shell, the last being the largest chamber where the soft body of the cephalopod resided growing the next larger additional chamber in life. The nautiloid an extinct marine cephalopod, its head and many smooth tentacles would have possibly been protected when in danger by an 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... Genus: Nautiloid, Nautiloidea, Cephalopoda, Oncocerida. Age: Palaeozoic era, Devonian, approximately 420 to 355 million years. Origin: Morocco, North Africa. Nautilus measurements. Height: 17.6 cm Width: 16.8 cm Depth: 10 cm Approximate weight: 3,253 kg Learn More
  3. 38 Natural Goniatite Ammonoids

    Natural Goniatite Ammonoids

    Starting at: £72.00

    Natural Goniatites displaying calcification within the chambers which can been seen now the shell has been removed. The limestone Goniatites have been prepared using an acid preparation. Overall each of these Goniatites is a delightful and unique specimen. Genus: Goniatite Ammonoid. Age: Palaeozoic era, Devonian, approximately 420 to 355 million years. Origin: Morocco, North Africa. ---------------------------------------------- Goniatite diameter measurement and weight. TFS0538: 9.6 cm x 253 g TFS0541: 11.9 cm x 372 g Learn More
  4. 20% off
    Pyrite Rondiceras Ammonite 40mm

    Pyrite Rondiceras Ammonite 40mm

    Regular Price: £102.00

    Special Price £82.00

    Exceptional fossil ammonoids very appealing and uniquely recognisable from this Russian location on the Volga. The fossil fills with pyrite, which grows geometrically filling in each hollow chamber until it is disturbed or the hollow has been completely filled. Read the full history below... Genus: Rondiceras ammonite. Origin: Mikhailov, Volga river, Ulyanovsk near Saratov, Ryazan region of Russia. Age: Mesozoic Era, Middle Jurassic Period, Callovian Stage, around 164 to 161 million years ago Rondiceras ammonite measurements. Diameter: 4 cm Depth: 1.4 cm Approximate weight: 0,019 g Learn More
  5. 43% off
    Pyrite Kosmoceras Ammonite 64mm

    Pyrite Kosmoceras Ammonite 64mm

    Regular Price: £162.00

    Special Price £92.00

    Exceptional fossil ammonoids very appealing and uniquely recognisable from this Russian location on the Volga. The fossil fills with pyrite, which grows geometrically filling in each hollow chamber until it is disturbed or the hollow has been completely filled. Read the full history below... Genus: Kosmoceras ammonite. Origin: Mikhailov, Volga river, Ulyanovsk near Saratov, Ryazan region of Russia. Age: Mesozoic Era, Middle Jurassic Period, Callovian Stage, around 164 to 161 million years ago Kosmoceras ammonite measurements. Diameter: 6.4 cm Depth: 1.1 cm Approximate weight: 0,042 g Learn More
  6. 25% off
    Pyrite Rondiceras Ammonite 50mm

    Pyrite Rondiceras Ammonite 50mm

    Regular Price: £122.00

    Special Price £92.00

    Exceptional fossil ammonoids very appealing and uniquely recognisable from this Russian location on the Volga. The fossil fills with pyrite, which grows geometrically filling in each hollow chamber until it is disturbed or the hollow has been completely filled. Read the full history below... Genus: Rondiceras ammonite. Origin: Mikhailov, Volga river, Ulyanovsk near Saratov, Ryazan region of Russia. Age: Mesozoic Era, Middle Jurassic Period, Callovian Stage, around 164 to 161 million years ago Rondiceras ammonite measurements. Diameter: 5 cm Depth: 2.2 cm Approximate weight: 0,012 g Learn More
  7. 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
  8. 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
  9. 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
  10. 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
  11. 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
  12. 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 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. Age: Cretaceous, approximately 120 million years ago. Origin: Mahajanga Jungle, Madagascar. Slate measurement. Height: 59.4 cm Width: 44.1 cm Depth: 6.7 cm L Specimen: 14.5 cm M Specimen 11.6 cm: S Specimen: 6.7 cm Approximate weight: 13.8 kg Learn More
  13. 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
  14. 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
  15. 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
  16. 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
  17. Holzmaden Ammonoid Plate

    Holzmaden Ammonoid Plate 1055mm

    £3,202.00
    Premium Holzmaden Ammonoid plate, beautifully curated for interiors around the world. An exquisite Holzmaden Ammonoid plate presenting exquisite preservation, the Ammonoids have absorbed the surround mineral deposits during the fossilisation process which has taken over 150,000,000 years and this mineral is fools gold. Genus: Holzmaden Ammonoids and Nautilus. Origin: Holzmaden region, black shale formation, South West Germany. Age: Palaeozoic era, Jurassic period, approximately 200 to 150 million years. Holzmaden plate measurements. Height: 105.5 cm Width: 122 cm Depth: 2 cm Weight: 45 Kg Learn More
  18. Ammonite on Limestone Plinth 556mm

    Ammonite on Stone Plinth 556mm

    £3,292.00
    A wonderful Ammonite on limestone plinth 556mm, expertly conserved and prepared with many hours preparation time. Curated and surmounted on our design base created for a world of interiors, the fossil stores statement ammonite on limestone plinth part of our classic range including bronze bases.Read more below... Genus: Mantelliceras Ammonite. Origin: Atlas range, Agadir, Morocco, North Africa. Age: Mesozoic era, Jurassic, approximately 205 to 135 million years. Mantelliceras Ammonite measurements. Height: 44.5 cm Width: 40 cm Depth: 14 cm Base Height: 10 cm Width: 40 cm Depth: 14 cm Overall height: 55.6 cm Approximate weight: 30 to 45 Kg Learn More
  19. Ammonite on Limestone Plinth 554mm

    Ammonite on Stone Plinth 554mm

    £3,292.00
    A wonderful Ammonite on limestone plinth 554mm, expertly prepared with over approximately 60 hours preparation time in our Studio-Lab in England. Curated and designed for the world of interiors, presenting our statement Ammonite on limestone plinth. Genus: Mantelliceras Ammonite. Origin: Atlas range, Agadir, Morocco, North Africa. Age: Mesozoic era, Jurassic, approximately 205 to 135 million years. Mantelliceras Ammonite measurements. Height: 45.5 cm Width: 39 cm Depth: 12 cm Base Height: 10 cm Width: 40.1 cm Depth: 15.3 cm Overall height: 55.4 cm Approximate weight: 38 Kg Learn More
  20. 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
  21. Ammonite on Limestone Plinth 573mm

    Ammonite on Stone Plinth 573mm

    £3,892.00
    A wonderful Ammonite on limestone plinth 556mm, expertly conserved and prepared with many hours preparation time. Curated and surmounted on our design base created for a world of interiors, the fossil stores statement ammonite on limestone plinth part of our classic range including bronze bases.Read more below... Genus: Mantelliceras Ammonite. Origin: Atlas range, Agadir, Morocco, North Africa. Age: Mesozoic era, Jurassic, approximately 205 to 135 million years. Mantelliceras Ammonite measurements. Height: 44 cm Width: 50 cm Depth: 17 cm Base Height: 11.5 cm Width: 60 cm Depth: 20 cm Overall height: 57.3 cm Approximate weight: 50 to 70 Kg Learn More
  22. 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
  23. Holzmaden Nautilus Plate

    Holzmaden Nautilus Plate 1400mm

    £6,442.00
    Important Holzmaden Nautiloid pyritised grey shale fossil plate, wonderfully conserved for interior display. A large and fine Holzmaden Nautiloid plate exhibiting exquisite preservation, the Nautiloids having absorbed mineral inclusions of the fossil layers during the period of fossilisation which has taken over 150,000,000 years. Read more about the Nautiloid story below... Genus: Holzmaden Ammonoids and Nautilus. Origin: Holzmaden region, black shale formation, South West Germany. Age: Palaeozoic era, Jurassic period, approximately 200 to 150 million years. Holzmaden plate measurements. Height: 140 cm Weight: 50 Kg Learn More