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Eoses triassica

Mesochorista proavita
Temporal range: Carnian
Mesochorista proavita.jpg
Scientific classification
Kingdom: Animalia
Clade: Euarthropoda
Class: Insecta
Order: Mecoptera
Family: Permochoristidae
Genus: Mesochorista
Species: M. proavita
Binomial name
Mesochorista proavita
Tillyard 1916
Synonyms

Eoses triassica
Tindale 1945 (disputed)


Eoses triassica
Tindale 1945 (disputed)

Mesochorista proavita is an extinct species of scorpionfly from the Triassic period of Queensland, Australia.

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.

M. proavita belongs to the family Permochoristidae (formerly Mesochoristidae) of the scorpionflies (order Mecoptera).


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