REPTILE FOSSILS

The origin of the reptiles lies about 310–320 million years ago, in the steaming swamps of the late Carboniferous period, when the first reptiles evolved from advanced reptiliomorphs.  The oldest known animal that may have been an amniote is Casineria (though it may have been a temnospondyl). A series of footprints from the fossil strata of Nova Scotia dated to 315 Mya show typical reptilian toes and imprints of scales. These tracks are attributed to Hylonomus, the oldest unquestionable reptile known. It was a small, lizard-like animal, about 20 to 30 centimetres (7.9 to 11.8 in) long, with numerous sharp teeth indicating an insectivorous diet. Other examples include Westlothiana (for the moment considered a reptiliomorph rather than a true amniote) and Paleothyris, both of similar build and presumably similar habit.

Rise of the reptiles. The earliest amniotes, including stem-reptiles (those amniotes closer to modern reptiles than to mammals), were largely overshadowed by larger stem-tetrapods, such as Cochleosaurus, and remained a small, inconspicuous part of the fauna until the Carboniferous Rainforest Collapse. This sudden collapse affected several large groups. Primitive tetrapods were particularly devastated, while stem-reptiles fared better, being ecologically adapted to the drier conditions that followed. Primitive tetrapods, like modern amphibians, need to return to water to lay eggs; in contrast, amniotes, like modern reptiles – whose eggs possess a shell that allows them to be laid on land – were better adapted to the new conditions. Amniotes acquired new niches at a faster rate than before the collapse and at a much faster rate than primitive tetrapods. They acquired new feeding strategies including herbivory and carnivory, previously only having been insectivores and piscivores. From this point forward, reptiles dominated communities and had a greater diversity than primitive tetrapods, setting the stage for the Mesozoic (known as the Age of Reptiles). One of the best known early stem-reptiles is Mesosaurus, a genus from the early Permian that had returned to water, feeding on fish.

Elosuchus cherifiensis Crocodile Teeth, Cretaceous Morocco
Crocodilian Teeth from the Gharial like, long snout Cretaceous beasty.  These are Early Cretaceous (Cenomanian), Aufous Fm, Morocco. All come boxed and labelled.  Where the tooth is too big for a label, this will come with the box.  Some of the labels are removed for photographic purposes but you will get one with your fossil. 

Elosuchus Crocodilian Tooth 52

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Elosuchus Crocodilian Tooth 53

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Elosuchus Crocodilian Tooth 55

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Elosuchus Crocodilian Tooth 56

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Elosuchus Crocodilian Tooth E1

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Elosuchus Crocodilian Tooth E3

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Elosuchus Crocodilian Tooth E2

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Elosuchus Crocodilian Tooth E4

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Elosuchus Crocodilian Tooth E21

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Elosuchus Crocodilian Tooth E19

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Elosuchus Crocodilian Tooth E15

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Elosuchus Crocodilian Tooth E28

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Elosuchus Crocodilian Tooth E23

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Elosuchus Crocodilian Tooth E7

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Elosuchus Crocodilian Tooth E10

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Elosuchus Crocodilian Tooth E5

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Elosuchus Crocodilian Tooth E12

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Elosuchus Crocodilian Tooth E25

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Elosuchus Crocodilian Tooth E32

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Elosuchus Crocodilian Tooth E38

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Elosuchus Crocodilian Tooth E51

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Elosuchus Crocodilian Tooth E57

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Elosuchus Crocodilian Tooth E61

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Elosuchus Crocodilian Scute Set 53

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Elosuchus Crocodilian Scute Set 56

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Elosuchus Crocodilian Scute Set 57

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Elosuchus Crocodilian Scute Set 59

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Elosuchus Crocodilian Scute Set 60

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Elosuchus Crocodilian Scute Set 61

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Elosuchus Crocodilian Scute Set 62

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Various Kem Kem Crocodile/Dinosaur Bones

Elosuchus Crocodile Vertebrae Kem Kem 8

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Elosuchus Crocodile Dorsal Vertebrae Kem Kem 14

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Elosuchus Crocodile Dorsal Vertebrae Kem Kem 36

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On Sale

On Sale

Turtle Carapace Shell section Kem Kem 161

£15.99 £11.19
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On Sale

On Sale

Turtle Carapace Shell section Kem Kem 163

£14.99 £10.49
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On Sale

On Sale

Turtle Carapace Shell section Kem Kem 164

£15.99 £11.19
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On Sale

On Sale

Turtle Carapace Shell section Set Kem Kem 165

£10.99 £8.79
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On Sale

On Sale

Turtle Carapace Shell section Set Kem Kem 166

£7.99 £6.39
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Cretaceous Turtle Carapace Shell Set Kem Kem 64

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Cretaceous Turtle Carapace Shell Set Kem Kem 65

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Cretaceous Turtle Carapace Shell Set Kem Kem 66

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Cretaceous Turtle Carapace Shell Set Kem Kem 67

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Cretaceous Turtle Carapace Shell Set Kem Kem 68

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Cretaceous Turtle Carapace Shell Set Kem Kem 69

£12.99
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Cretaceous Turtle Carapace Shell Set Kem Kem 70

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Cretaceous Turtle Carapace Shell Set Kem Kem 71

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Cretaceous Turtle Carapace Shell Set Kem Kem 72

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Cretaceous Turtle Carapace Shell Set Kem Kem 73

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Cretaceous Turtle Carapace Shell Set Kem Kem 74

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Cretaceous Turtle Carapace Shell Set Kem Kem 75

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Cretaceous Turtle Carapace Shell Set Kem Kem 76

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Mawsonia/Axelrodichthys Fish Skull bone set Kem Kem 101

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Mawsonia/Axelrodichthys Fish Quadrate Bone Kem Kem 117

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Mawsonia/Axelrodichthys Fish Quadrate Bone Bone Kem Kem 119

£29.99

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Elosuchus Crocodile Indet. limb Bone Kem Kem 128

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Elosuchus/Hamadasuchus Vertebra Kem Kem 129

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Elosuchus Crocodile Partial Ilium Bone Kem Kem 142

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Mawsonia/Axelrodichthys Fish Angular Bone Kem Kem 143

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Mawsonia/Axelrodichthys Ornamented Fish Bone Kem Kem 158

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Mawsonia/Axelrodichthys Partial Fish Angular Bone Kem Kem 157

£17.99

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Mawsonia/Axelrodichthys Fish Skull Bone Kem Kem 1

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Mawsonia/Axelrodichthys Fish Skull Bone Kem Kem 8

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Mawsonia/Axelrodichthys Fish Skull/Jaw Bone Kem Kem 16

£12.99

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Mawsonia/Axelrodichthys Fish Skull Bone Kem Kem 28

£21.99

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Mawsonia/Axelrodichthys Fish Skull Bone Kem Kem 73

£19.99

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Mawsonia/Axelrodichthys Fish Skull Bone Kem Kem 78

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Mawsonia/Axelrodichthys Fish Skull Bone Kem Kem 81

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Mawsonia/Axelrodichthys Fish Quadrate Bone Kem Kem 88

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Mawsonia/Axelrodichthys Fish Skull Bone Kem Kem 91

£21.99

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Theropod Dinosaur Caudal Tail Vertebra Kem Kem 50

£16.99
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Theropod Dinosaur Partial Caudal Tail Vertebra Kem Kem 92

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Mawsonia/Axelrodichthys Fish skull Bone Set Kem Kem 41

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Elosuchus Crocodile Dorsal Vertebrae Kem Kem 67

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Alligator mississippiensis Scute & Teeth fossils, USA
Fossil dermal scutes and Teeth from Alligators. These scute fossils are identified by the ridge along the middle of the scute and pitted surface. Teeth are nearly always conical and domed shaped. All below belong to Alligator mississippiensis sp and are dated to between 1.0 and 1.5 Million years old.

Fossil Alligator mississippiensis Scute + Tooth Set 154

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Fossil Alligator mississippiensis Scute + Tooth Set 161

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Fossil Alligator mississippiensis Scute + Tooth Set 163

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Fossil Alligator mississippiensis Scute + Tooth Set 169

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