Beetle Fossil
Insecta Order Coleoptera, Family Dysticidae
Geological Time: Lower Cretaceous (~125 m.y.a.)
Size (25.4 mm = 1 inch): Insect fossil is 13 mm long, Matrix: 108 mm by 110 mm
Fossil Site: Yixian Formation, Chaoyang, Beipiao, Liaoning Province of China
Description: The Class Insecta is well represented in Liaoning and Hebei Provinces of China, with over 500 species referable to over 100 families based upon over 10,000 specimens. This fantastic diversity and exquisite detail is unprecedented throughout the world. This example is a well-preserved scarab beetle . This is a detailed specimen from the dim past of 125 million years ago belonging to the diving beetles.
Insecta Order Coleoptera, Family Dysticidae
Geological Time: Lower Cretaceous (~125 m.y.a.)
Size (25.4 mm = 1 inch): Insect fossil is 13 mm long, Matrix: 108 mm by 110 mm
Fossil Site: Yixian Formation, Chaoyang, Beipiao, Liaoning Province of China
Description: The Class Insecta is well represented in Liaoning and Hebei Provinces of China, with over 500 species referable to over 100 families based upon over 10,000 specimens. This fantastic diversity and exquisite detail is unprecedented throughout the world. This example is a well-preserved scarab beetle . This is a detailed specimen from the dim past of 125 million years ago belonging to the diving beetles.
Cf Architiphia rasitsyni
Insects Order Hymenoptera, Family Tiphiidae
Geological Time: Lower Cretaceous, Late Aptian-Cenomanian (108-92 million years ago)
Size (25.4 mm = 1 inch): Insect fossil is 21 mm with 20 mm wingspan Matrix: 95 mm by 90 mm
Fossil Site: Crato Formation, Nova Olinda Member, Ceara, Brazil
Description: The Araripe Basin of Brazil is home to a fantastic array of exquisitely-detailed Early Cretaceous fossils, some of which have been preserved in three dimensions. While the entire formation has until the last decade or so been termed the Santana Formation, David Martill has separated out the slightly older insect-bearing strata as the Nova Olinda Member of the Crato Formation. Quarrying operations for the purposes of obtaining paving stones exposes the remarkable insect fauna in much the same way that quarrying for lithographic limestone in Solnhofen has afforded a panoply of wonderfully-preserved Jurassic fossils in Germany. In addition to the many orders of insects, spiders, scorpions, decapod crustaceans, and many plants have been found. Interestingly, to date no pterosaurs or terrestrial vertebrates have been found, in stark contrast to the overlying Santana Formation deposits. This fine example shows a wasp in dorsal view.
Insects Order Hymenoptera, Family Tiphiidae
Geological Time: Lower Cretaceous, Late Aptian-Cenomanian (108-92 million years ago)
Size (25.4 mm = 1 inch): Insect fossil is 21 mm with 20 mm wingspan Matrix: 95 mm by 90 mm
Fossil Site: Crato Formation, Nova Olinda Member, Ceara, Brazil
Description: The Araripe Basin of Brazil is home to a fantastic array of exquisitely-detailed Early Cretaceous fossils, some of which have been preserved in three dimensions. While the entire formation has until the last decade or so been termed the Santana Formation, David Martill has separated out the slightly older insect-bearing strata as the Nova Olinda Member of the Crato Formation. Quarrying operations for the purposes of obtaining paving stones exposes the remarkable insect fauna in much the same way that quarrying for lithographic limestone in Solnhofen has afforded a panoply of wonderfully-preserved Jurassic fossils in Germany. In addition to the many orders of insects, spiders, scorpions, decapod crustaceans, and many plants have been found. Interestingly, to date no pterosaurs or terrestrial vertebrates have been found, in stark contrast to the overlying Santana Formation deposits. This fine example shows a wasp in dorsal view.
Cf Notocupes laetus
Insects Order Coleoptera, Family Cupedidae
Geological Time: Early Cretaceous
Size (25.4 mm = 1 inch): Insect fossil is 20 mm long, Matrix: 105 mm by 40 mm
Fossil Site: Yixian Formation, Huangbangi Valley, Beipiao, Liaoning Province of China
Description: The Class Insecta is well represented in Liaoning and Hebei Provinces of China, with over 500 species referable to over 100 families based upon over 10,000 specimens. This fantastic diversity and exquisite detail is unprecedented throughout the world. This example is a negative impression of a beetle with distinctively-ornamented elytra of the family Clupedidae. This distinctive pattern of sculpted pits on the elytra has allowed tracking of these most obvious beetles from their “beetleoid” ancestry in the Permian. True beetles of this morphology are known from the Late Triassic. They radiated throughout the Jurassic, and then declined during the Cretaceous, with some 9 genera and 30 species persisting to the Recent. While many fossil consist of at most a single elytron, we have here a complete example of this most distinctive of beetles.
Insects Order Coleoptera, Family Cupedidae
Geological Time: Early Cretaceous
Size (25.4 mm = 1 inch): Insect fossil is 20 mm long, Matrix: 105 mm by 40 mm
Fossil Site: Yixian Formation, Huangbangi Valley, Beipiao, Liaoning Province of China
Description: The Class Insecta is well represented in Liaoning and Hebei Provinces of China, with over 500 species referable to over 100 families based upon over 10,000 specimens. This fantastic diversity and exquisite detail is unprecedented throughout the world. This example is a negative impression of a beetle with distinctively-ornamented elytra of the family Clupedidae. This distinctive pattern of sculpted pits on the elytra has allowed tracking of these most obvious beetles from their “beetleoid” ancestry in the Permian. True beetles of this morphology are known from the Late Triassic. They radiated throughout the Jurassic, and then declined during the Cretaceous, with some 9 genera and 30 species persisting to the Recent. While many fossil consist of at most a single elytron, we have here a complete example of this most distinctive of beetles.
Links
Amber - Ámbar
Crinoid - Crinoide
Crustacean Fossils
Fishes - Peces
Fossil Teeth - Dientes Fósiles
Insects
Trilobite
Various - Varios
Fossils - Fosiles: Insects - Beetle Fossil - Cf Architiphia rasitsyni - Cf Notocupes laetus - Links to more Fossils
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