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Dinopanorpidae
Dinopanorpidae is a small family of extinct insects in the order Mecoptera (scorpionflies) that contains two genera and seven species.
The name is a combination of the Greek ''deino'' meaning "terrible" or "monstrous" and "Panorpidae", the family to which ''Dinopanorpa'' (the type genus of this family) was first assigned. The family was first described in 1972 by paleoentomologist Dr. Frank Carpenter to encompass the genus ''Dinopanorpa'' described by Dr. Theodore D.A. Cockerell in 1924.〔 As with all members of order Mecoptera, dinopanorpids possess an elongated rostrum and four elongated wings of nearly equal size, and uniquely a "R1" vein which almost reaches the apex of the wing. The elongated "R1" vein is a character not found in any other extant or extinct mecopterans.〔
==Range==
The distribution of Dinopanorpidae is restricted both in time and in location. An undescribed species of ''Dinopanorpa'' has been reported from the Paleocene Tadushi Formation, while the type and only specimen of ''Dinopanorpa megarche'' is from the Khutsin Formation of Primorsky Krai, Russia.〔 The Khutsin Formation has been interpreted as dating from the early Eocene to the late Eocene/early Oligocene boundary.〔 The genus ''Dinokanaga'' is known exclusively from fossil sites in western North America, which date to the Ypresian and constitute the Okanagan Highlands paleobiotic communities.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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