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A revision of the late Eocene snakeflies (Raphidioptera) of the Florissant Formation, Colorado, with special reference to the wing venation of the Raphidiomorpha

机译:科罗拉多州弗洛里森特组晚始新世的蜻蜓(Raphidioptera)的修订版,特别提到了Raphidiomorpha的翼脉

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The snakeflies (Raphidioptera) of the late Eocene Florissant Formation (Colorado, USA) are revised. Seven species of Raphidiidae are assigned to three genera, i.e., Megaraphidia Cockerell, 1907, Archiraphidia Handlirsch, 1910, and Florissantoraphidia gen. nov. Dictyoraphidia Handlirsch, 1910 is assigned to Baissopteridae, a first Cenozoic record of the family. Archiraphidia tumulata (Scudder, 1890), A. tranquilla (Scudder, 1890) and A.? somnolenta (Scudder, 1890), stat. res. are treated as distinct species, and A. eventa (Scudder, 1890) as a new synonym of A. tranquilla. The lectotype of A. eventa is designated. `Raphidia' exhumata Cockerell, 1909 is transferred to Megaraphidia. `Raphidia' mortua Rohwer, 1909 and `R.' funerata Engel, 2003 constitute Florissantoraphidia gen. nov. Our findings support the treatment of the single Florissant species of Inocelliidae as preliminary assigned to Fibla Navas, 1915. We examine venational synapomorphies of Raphidiomorpha and provide a new diagnosis for it based on these characters. We evaluate putative derived venational character states of `Neoraphidioptera' (Inocelliidae and Raphidiidae), finding no clear synapomorphy supporting its validity; these families may nest separately within a paraphyletic Mesoraphidiidae (s.l.). We provide diagnoses for the families occurring at Florissant (Baissopteridae, Inocelliidae and Raphidiidae) based on wing venation.
机译:晚期始新世弗洛里森特组(美国科罗拉多州)的蜻蜓(Raphidioptera)被修订。蚜虫科的七个物种被归为三个属,即Megaraphidia Cockerell,1907年,Archiphiphidia Handlirsch,1910年和Florissantoraphidia gen。十一月Dictyoraphidia Handlirsch,1910年被分配给Baissopteridae,这是该家族的第一个新生代记录。 Archiraphidia tumulata(Scudder,1890),A.quilla(Scudder,1890)和A.? somnolenta(Scudder,1890年),国家。水库被视为独特的物种,而A. eventa(Scudder,1890)被作为A.quilla的新同义词。指定事件曲霉的选型。 'Raphidia'exhumata Cockerell,1909年被转移到Megaraphidia。拉菲迪娅(Rophia)mortua Rohwer,1909年和R。 funerata Engel,2003年组成Florissantoraphidia gen。十一月我们的发现支持1915年最初分配给Fibla Navas的Inocelliidae单一Florissant种的治疗。我们研究了Raphidiomorpha的民族共形,并根据这些特征为其提供了新的诊断方法。我们评估了推定的“新翅纲”(昆虫科和幼虫科)的全性状状态,发现没有明确的突触支持其有效性。这些科可以在一个副生的Mesoraphidiidae(s.l.)内单独筑巢。我们根据机翼通风情况为发生在Florissant的家庭提供诊断(Baissopteridae,Inocelliidae和Raphidiidae)。

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