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Arostropsis
''Arostropsis'' is an extinct genus of broad-nosed weevil in the beetle family Curculionidae known from an Upper Eocene fossil found in Europe. The genus contains a single described species, ''Arostropsis groehni''.
==History and classification==
''Arostropsis'' is known only from a single fossil, the holotype, specimen number "C 7968, GPIH 4516", which is housed in the fossil collection of the Geology and Palaeontology Institute and Museum, part of the University of Hamburg. The specimen is composed of a fully complete adult male broad-nosed weevil which has been preserved as an inclusion in a transparent chunk of Baltic amber.〔 Baltic amber dates to between forty and forty-five million years old and the holotype specimen was found in the Prussian Formation. The ''Arostropsis'' holotype was recovered from an amber quarry in Jantarny near the city of Kaliningrad along the Baltic Sea coast in Russia.〔 The fossil was first studied by paleoentomologists Nikolai N. Yunakov and Alexander G. Kirejtshuk, both of the Russian Academy of Sciences.〔 Yunakov and Kirejtshuk's 2011 type description of the new genus and species was published in the online journal ''ZooKeys''.〔 The genus name ''Arostropsis'' was coined by Yunakov and Kirejtshuk as a combination of two Greek words ''rōstron'' meaning "beak or snout" and ''opsis'' which means "resembling (something)" in combination with the negative prefix ''a''. The specific epithet ''groehni'' was coined in honor of Carsten Gröhn who first collected the holotype specimen.〔 ''Arostropsis'' is one of a number of broad-nosed weevils described from specimens in Baltic amber. As of the 2011 Yunakov and Kirejtshuk paper, at least eleven species had been described or suggested by paleoentomologists.〔
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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