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Eoses
''Mesochorista proavita'' is an extinct species of scorpionfly from the Triassic period of Queensland, Australia. Discovery Specimens of ''Mesochorista proavita'' were first described by the English- Australian entomologist Robert John Tillyard in 1916. The fossils were recovered from the Denmark Hill Insect Bed of Queensland, Australia. The type locality belongs to the Blackstone Formation (Ipswich Coal Measures Group) and is dated to the Carnian age (228.0 – 216.5 million years ago) of the Triassic period. Specimens of ''Eoses triassica'', sometimes considered a synonym of this species, were discovered in 1945 by the Australian entomologist Norman Tindale from the Mt. Crosby Insect Bed of Queensland, Australia. They are also dated to the Carnian age. Taxonomy ''M. proavita'' belongs to the family Permochoristidae (formerly Mesochoristidae) of the scorpionflies (order Mecoptera). E.F. Riek synonymized ''Eoses triassica'' with ''M. proavita'' in 1955, regard ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eoses Triassica
''Mesochorista proavita'' is an extinct species of scorpionfly from the Triassic period of Queensland, Australia. Discovery Specimens of ''Mesochorista proavita'' were first described by the English- Australian entomologist Robert John Tillyard in 1916. The fossils were recovered from the Denmark Hill Insect Bed of Queensland, Australia. The type locality belongs to the Blackstone Formation (Ipswich Coal Measures Group) and is dated to the Carnian age (228.0 – 216.5 million years ago) of the Triassic period. Specimens of '' Eoses triassica'', sometimes considered a synonym of this species, were discovered in 1945 by the Australian entomologist Norman Tindale from the Mt. Crosby Insect Bed of Queensland, Australia. They are also dated to the Carnian age. Taxonomy ''M. proavita'' belongs to the family Permochoristidae (formerly Mesochoristidae) of the scorpionflies (order Mecoptera). E.F. Riek synonymized ''Eoses triassica'' with ''M. proavita'' in 1955, regarding i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prehistoric Lepidoptera
Prehistoric Lepidoptera are both butterflies and moths that lived before recorded history. The fossil record for Lepidoptera is lacking in comparison to other winged species, and tending not to be as common as some other insects in the habitats that are most conducive to fossilization, such as lakes and ponds, and their juvenile stage has only the head capsule as a hard part that might be preserved. Yet there are fossils, some preserved in amber and some in very fine sediments. Leaf mines are also seen in fossil leaves, although the interpretation of them is tricky. Putative fossil stem group representatives of Amphiesmenoptera (the clade comprising Trichoptera and Lepidoptera) are known from the Triassic. Previously, the earliest known lepidopteran fossils were three wings of '' Archaeolepis mane'', a primitive moth-like species from the Jurassic, about , found in Dorset, UK, which show scales with parallel grooves under a scanning electron microscope and a characteristic wing ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eocoronidae
Eocoronidae is an extinct family of insects from the Carnian age of the Triassic period. It was established in 1981 by the Australian entomologist Norman Tindale. At present, it contains only one species and genus: '' Eocorona iani''. The taxonomical placement of Eocoronidae is unclear. Originally considered to belong to the order Lepidoptera, it is now assumed to be basal and is classified under Amphiesmenoptera. Fossils of '' Eoses triassica'', previously classified under the monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ... family Eosetidae and subjectively synonymized by E.F. Reik into the mecopterid species '' Mesochorista proavita'', have been proposed by Tindale to belong to this family. References Triassic insects Carnian first appearances Carnian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Extinct
Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and recover may have been lost before this point. Because a species' potential range may be very large, determining this moment is difficult, and is usually done retrospectively. This difficulty leads to phenomena such as Lazarus taxa, where a species presumed extinct abruptly "reappears" (typically in the fossil record) after a period of apparent absence. More than 99% of all species that ever lived on Earth, amounting to over five billion species, are estimated to have died out. It is estimated that there are currently around 8.7 million species of eukaryote globally, and possibly many times more if microorganisms, like bacteria, are included. Notable extinct animal species include non-avian dinosaurs, saber-toothed cats, dodos, m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Insects Of Australia
Insects (from Latin ') are pancrustacean hexapod invertebrates of the class Insecta. They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae. Their blood is not totally contained in vessels; some circulates in an open cavity known as the haemocoel. Insects are the most diverse group of animals; they include more than a million described species and represent more than half of all known living organisms. The total number of extant species is estimated at between six and ten million; In: potentially over 90% of the animal life forms on Earth are insects. Insects may be found in nearly all environments, although only a small number of species reside in the oceans, which are dominated by another arthropod group, crustaceans, which recent research has indicated insects are nested within. Nearly all insects hatch from ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prehistoric Arthropods Of Oceania
Prehistory, also known as pre-literary history, is the period of human history between the use of the first stone tools by hominins 3.3 million years ago and the beginning of recorded history with the invention of writing systems. The use of symbols, marks, and images appears very early among humans, but the earliest known writing systems appeared 5000 years ago. It took thousands of years for writing systems to be widely adopted, with writing spreading to almost all cultures by the 19th century. The end of prehistory therefore came at very different times in different places, and the term is less often used in discussing societies where prehistory ended relatively recently. In the early Bronze Age, Sumer in Mesopotamia, the Indus Valley Civilisation, and ancient Egypt were the first civilizations to develop their own scripts and to keep historical records, with their neighbors following. Most other civilizations reached the end of prehistory during the following Iron Age. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Triassic Insects
The Triassic ( ) is a geologic period and system which spans 50.6 million years from the end of the Permian Period 251.902 million years ago (Mya), to the beginning of the Jurassic Period 201.36 Mya. The Triassic is the first and shortest period of the Mesozoic Era. Both the start and end of the period are marked by major extinction events. The Triassic Period is subdivided into three epochs: Early Triassic, Middle Triassic and Late Triassic. The Triassic began in the wake of the Permian–Triassic extinction event, which left the Earth's biosphere impoverished; it was well into the middle of the Triassic before life recovered its former diversity. Three categories of organisms can be distinguished in the Triassic record: survivors from the extinction event, new groups that flourished briefly, and other new groups that went on to dominate the Mesozoic Era. Reptiles, especially archosaurs, were the chief terrestrial vertebrates during this time. A specialized subgroup of arch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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