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Messelepone
''Messelepone'' is an extinct genus of ants in the formicid subfamily Ponerinae described from fossils found in Europe. There is a single described species placed into the genus, ''Messelepone leptogenoides'' and is one of several Lutetian Ponerinae genera.
== History and classification ==
When described, ''Messelepone'' was known from two fossil insects which are compression-impression fossils preserved in layers of soft sedimentary rock.〔 Along with other well preserved insect fossils, the ''Messelepone'' specimens were collected from layers of the Lutetian Messel pit World Heritage Site. The formation is composed of brown coals, oil shales, and bituminous shale, which preserved numerous insects, fish, birds, reptiles, and terrestrial mammals as a notable lagerstätten. The area is a preserved maar lake which initially formed approximately 47 million years ago as the result of volcanic explosions.
At the time of description, the holotype queen and paratype male specimens were preserved in the Senckenberg Research Station Messel fossil collections.〔 The fossils were described by Gennady Dlussky and Sonja Wedmann in a 2012 paper on the poneromorph ants of Messel, with the both the genus and species named in it.〔 The genus name is a combination of the ant genus ''Ponera'' and Messel after the type locality. The specific epithet was derived from the modern ant genus name ''Leptogenys'', which ''M. leptogenoides'' has similarities to.〔
''Messelepone'' is one of five extinct genera from three subfamilies which have species described from Messel Formation fossils by Dlussky and Wedmann in 2012. Three of the other genera ''Cephalopone'', ''Cyrtopone'', and ''Protopone'' are also placed in Ponerinae. The genus ''Casaleia'' is placed in Amblyoponinae, while the last genus ''Pseudectatomma'' is in Ectatomminae.〔
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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