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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.
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Flexicalymene (formally known as diacalymene) are an extinct species of trilobite which lived during the Ordovician period, 449 to 443 million years ago. They represent the typical trilobite which one would expect, with their bodies being composed of three parts, the head (cephalon), main body, (thorax) and tail (pygidium), hence the name. As with most trilobites, they lacked any form of offensive defence and instead relied upon their hard bodies to protect them, it is believed that when under threat, they may have also enrolled into a ball like shape (similar to todays woodlouse’s) or buried themselves in the sea floor sediment. The morphological features of trilobites, particularly the legs and mouth located on the underside of the animals body indicate that the animal was most likely a scavenger and bottom feeder, feeding on the falling organic matter which lands on the sea floor. Their eyes were located on the top of their heads and are believed to have allowed the animal to keep a look out for potential predators. These particular specimens come from Erfoud, Morocco and are available in various optional sizes and come in a card tray with a label.
Weight | 260 g |
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Size | 2" x 2", 3" x 2" |
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• Geological Age: Carboniferous period
• Location: Clitheroe, Lancashire, UK
• Family: Echinoderm
• Species: Crinoid
Fossil crinoid stems from Clitheroe, Lancashire, these specimens are excellent for collectors and educational use, they are of an fairly good size where morphological details can be easily seen, ranging from 40 to 60 mm in length and varying thicknesses. They samples will come supplied in a card tray with a label.
• Geological Age: Silurian period, 443 to 416 millions years old
• Location: Djebel Issoumour, Alnif, Morocco
• Family: Echinoderm
• Species: Crinoid
Moroccan fossil crinoid stem specimens supplied in packets of 5 pieces, dated to over 400 million years old, they lived during the Silurian period and show excellent clear morphological details such as stem segments. Ideal for educational use and young collectors.
• Geological Age: Mississippian, early Carboniferous period, 358 to 323 million years old
• Location: Indian Springs Shale Formation, Crawford County, Indiana, USA
• Family: Echinoderm
• Class: Blastoidea
• Species: Pentremites sp.
Pentremites sp. blastoid collected from the Mississippian Indian Springs Shale Formation in Crawford County, Indiana, USA. Pentremites belong to the class Blastoidea and they are a type of echinoderm.
• Geological Age: Jurassic period, Toarcian age, 182 to 174 million years ago
• Location: Ilminster, Somerset, UK
• Family: Ammanoid
• Species: Harpoceras
Harpoceras ammonite fossils found in Ilminster, Somerset, UK, these Jurassic period ammonites exhibited a typical coiled shell, though the ribbing is faint, they detail ammonitic suture lines upon closer inspection, varying in size, these particular species are beige cream colour and are available in a range of sizes and grades, supplied in a card tray with a label.
A specimen of a Hexagonaria, which is an extinct genus of rugose coral, found in the Sahara Region, Morocco. The specimens belong to an unknown species and have been polished. This makes them a great addition to any collection. Additionally, the rough genuine face beneath provides an excellent tool for analysis. All specimens are Devonian in age, approximately 2-3″ in size and supplied in a white card tray with an information label.
Good quality horn corals. Size approx 1.5″ to 2″ in length.
Grammoceras is an extinct genus of Ammonite, which existed during the Jurassic period. Distinct due to their disc-like curved shell and distinct, thin ridges. These ammonite specimens are very well preserved, making them a perfect tool for analysis,while also providing the quality to become a display piece in fossil collections, particularly those geared towards UK marine fossils. These particular specimens are of an unknown species and were found in Illminster, Somerset, UK. They range from 1″ – 2″ and come provided with a white card tray and information label.
8 in stock
Diorite rock specimens from Cockermouth, Cumbria, is an intrusive igneous rock from the Ordovician period with a coarse, phaneratic texture composed of plagioclase feldspar, biotite mica as well as hornblende with intermediate chemistry. Found with the Skiddaw group, the rock samples are more suited for serious collectors and higher level education to describe the chemistry and mineralogy of various igneous groups. Available in 3 sizes and supplied in a card tray with an information label.
We also supply Diorite thin sections for microscope study which are available to buy HERE.
73 in stock
Specimen: Horn Coral
Geological Age: Silurian, Wenlock Series
Location: Shropshire, UK
A colonial coral which lived in warm shallow waters and is common in the limestone rocks of the Silurian period. Halysites is often associated with other corals that formed small reefs.
Out of stock
Branching coral specimens, dated from the Devonian period, the species is known as thamnopora and belong to the tabulate form of these now extinct species. They clearly depict the colonial nature of this type, the small ‘pits’ on the surface of the coral, would have, during life, been hole, within which the coral polyps resided, emerging to feed, mate and more and retreating inside when potential danger was present. The samples were collected from the Western Sahara region of Morocco, available by weight, the pieces rang in size from 30 mm to 60 mm and come supplied in a polythene bag with an information label. Ideal for kits, sets, craft and educational use, where a numerous pieces may be required for an economical cost.
A colonial coral which lived in warm shallow waters and is common in the limestone rocks of the Silurian period. Heliolites is often associated with other corals that formed small reefs.
Out of stock
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