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Diplomystus sp fossil fish specimens from the famous Green River formation in the state of Wyoming, USA. These fish (of which the exact species is undermined) lived in a fresh water lake in what is now Wyoming and died en mass, fossilising in the calcite rich sediment at the lake floor. They are identifiable as Diplomystus due to their rounder and larger body as opposed to the more slender, Knightia fish also found in the same formation. They fossils are between 50 to 90 mm and show the overall shape of the fish as well as the spine, ribs and fins and are thus ideal for educational use or as gifts. Each sample will come supplied in a white card tray with an information label.
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Diplomystus sp fossil fish preserved on a calcite shale matrix. These particular samples were found in the famous Green River formation in the state of Wyoming, USA, a location which has yielded numerous exceptionally preserved fossils from bird and fish to amphibians and even mammals. The animal its self was a bony fish related to modern day herrings and lived in fresh water lakes in what are now Asia and North America during the lower part of the Eocene epoch. It is understood that the mass preservation of fish in this formation is down to a combination of the fish dying in large numbers due to lack of oxygen in the deeper areas of the lake, likely due to predation from above forcing them deeper. The deeper areas of the lake being anoxic (low oxygen), dark and full of a fine silt sediments. The renowned colour of the fossils, which is a deep red or brown colour is due to the animals blood upon preservation, which would have broken down leaving the iron behind which mineralised during the fossilisation process. The specimens are not ideal for serious collectors but are certainly a good fit for educational use as they depict the fish’s body, features and anatomy fairly good as well as depicting excellent yet rare conditions that must be met for fossilisation to occur, especially on this scale. The specimens themselves range in size between 50 to 90 mm in length and can be identified as diplomystus due to the larger body when compared to the often slimmer knightia which are also found in the same rocks (which were preyed upon by the diplomystus). The matrix (rock) that the fossils are one are approximately 10 to 14 cm in length and have been cut into rectangle shapes to better sit on stands should you wish to display them. Each sample will come supplied in a white card tray with an information label. Ideal for educational use, gifts or for children who are interested in geology or fossils.
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Flexycalymene trilobite fossils, (syn: diacalymene) are a well known extinct species which lived during the Ordovician period, 449 to 443 million years ago and were found in Erfoud, Morocco. These samples exhibit quite clear morphological features such as the pygidium, cephalon and thorax as well as the shape and segments as expected. They appear to have a rusty, limonotic colouration which is due to iron oxide staining in the beds the fossils were found in. Available in various sizes and come supplied in a tray with a label.
• Geological Age: Aptian stage, Cretaceous period, 125 to 113 million years ago.
• Location: Santana formation, Brazil.
• Family: Fish
• Species: Dastilbe
Dastilbe are an extinct species of bony fish, these fossil specimens are often small in size, only 3 to 5 cm long and are often found preserved on a siltstone matrix. These samples were found in the Santana formation in Brazil and are fairly well preserved, they are ideal for educational use or for children due to their small size and inexpensive price.
Out of stock
Ogyginus sp fossil pygidiums from the Llanvirn series during the middle of the Ordovician period, the samples come from mid Wales in the UK and are preserved on a fine grained solid mudstone matrix. The pygidiums (tail) are available and it is believed that this is due to moulting behaviour of the animal in which it anchored its tail to the sea floor to moult its old carapace, during the process. The samples are well preserved and range between 15 t0 20 mm in size and increasingly more difficult to come by. They are ideal for both collectors and enthusiasts but also ideal for educational use to describe the animals behaviour in life, each samples will come supplied in a white card tray with an information label.
• Geological Age: Devonian period, Old red sandstone, Sandwick beds
• Location: Orkney Islands, Scotland
• Family: Osteolepidae
• Species: Osteolepis macrolepidotus
1 in stock
• Geological Age: Permian period, 298 to 251 million years ago.
• Location: Ferry Hill, Durham, UK.
• Family: Fish
• Species: Palaeoniscum freieslebeni
Palaeoniscum freieslebeni fossil lobbed fin fish specimen in a marl matrix, dated to the Permian period 298 million years ago, the sample which was found in Ferry Hill, Durham, UK measures 23 x 11 x 3 cm and comes with a stand and data label. Ideal for serious fossil collectors as well as educational or museum displays.
Out of stock
Leptopius duponti fossil weevil cacoons from the Holocene period found in Elliston, south Australia. Known informally as pixie clogs, the cacoons were spun by the weevils in their pupae stage in order to protect them during metamorphosis into adult beetles. An interesting piece for fossil collectors or educational use to exhibit an example of a ‘trace fossil’, the cacoons are approximately 50 mm in length and 30 mm in diameter and come supplied in a card tray with a label.
25 in stock
Specimens of Chrome Diopside that were collected from the Gusdal Olivine Pit, Åheim, Norway. These samples are best described as chrome bearing diopside. Diopside, a vivid green pyroxene mineral, features streaks of grey chromite that creates a stunning mineral sample that would be the perfect addition to any collection. Whilst many samples of chrome diopside tend to be crystalline in nature, our samples are unique as the feature a grainier, more crumbly texture. These specimens are in limited availability, so we recommend you move fast if you wish to add these stunning specimens to your collection. They are available in a range of sizes and come supplied in a white card tray with information label.
Araneograptus murrayi fossil graptolite specimens which exhibit dendritic morphology. The samples are preserved within Fezouata shale deposits of lower Ordovician which is within the Drâa-Tafilalet region of Morocco and show the fan like structure this species had during life. A colonial animal, graptolites likely floated trough the ocean and filter fed, much similar to corals. The abundance of iron in the rock gives the shale and fossils a pale orange colouration. Graptolites themselves are important for geological dating as specific species can be used as zoning fossils to determine the age of strata, as such, these samples are not only suitable for enthusiasts but also educational use. They come supplied in a card tray with an information label.
291 in stock
Fossil specimen sample cards, these cards are blank having spaces for you to write the ‘name’, ‘age/horizon’ and ‘locality’ of a rock specimen or specimens collected. Ideal for conducted field work or cataloging your collection. 73mm x 46mm.
3913 in stock
• Geological Age: Devonian period, Old red sandstone, Sandwick fish beds
• Location: Orkney Islands, Scotland
• Family: Osteolepidae
• Species: Osteolepis macrolepidotus
Various fossil specimens of Osteolepis macrolepidotus found in the Sandwick fish beds of the Orkney Islands in Soctland. The matrix is old red sandstone meaning the fish lived during the Devonian period. Fragments of the animal are visible such as scales and fins.
Out of stock
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