A New Extinct Genus of Long-Legged Flies, with a Brief Review and Key to Extinct Genera of Baltic Amber Dolichopodidae (Diptera)

IF 0.7 4区 地球科学 Q4 PALEONTOLOGY
I. Ya. Grichanov
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引用次数: 0

Abstract

A new genus Plesiomedetera gen. nov., is described from Late Eocene Baltic amber. The genus is placed in the extant subfamily Medeterinae and includes five recognized and two doubtful species, all poorly described by Meunier in 1907–1908 and never reported again. Plesiomedetera flammea (Meunier, 1907), comb. nov. and P. mustela (Meunier, 1907), comb. nov. are described and illustrated, and a key to recognized species of this genus is compiled. The other eight extinct genera from Baltic amber are briefly reviewed, belonging to extant subfamilies ?Diaphorinae, Dolichopodinae, Medeterinae, Peloropeodinae and Sciapodinae, and a key to these genera is compiled. The following new combinations (comb. nov.) are proposed: Plesiomedetera decora (Meunier, 1907), P. elegantula (Meunier, 1907), P. vana (Meunier, 1907), P. lasciva (Meunier, 1907), P. lepida (Meunier, 1907), Medeterites atterraneus (Nazarov, 1994), M. gestuosus (Meunier, 1907), M. gulosus (Meunier, 1907), M. latipennis (Meunier, 1907), Palaeoargyra planipedia (Meunier, 1907), Palaeomedeterus praeconcinnus (Evenhuis, 1994), P. concinnus (Meunier, 1907), P. tertiarius (Meunier, 1907), Prohercostomus ciliatus (Meunier, 1907), P. devinctus (Meunier, 1907), P. gracilis (Meunier, 1907), P. minutus (Meunier, 1907), P. morbosus (Meunier, 1907), P. smicrus (Meuffels et Grootaert, 1999) and P. inumbratus (Meunier, 1907). Sciara pusilla Meunier, 1899 is considered nomen nudum, rather than unplaced species of Dolichopodidae. Dolichopus smicrus Meuffels et Grootaert, 1999 (unnecessary new name) is placed in synonymy with Prohercostomus minutus. In all, 53 recognized, 5 doubtful and 10 unplaced species from Baltic amber are listed.

已灭绝的长脚蝇新属,附波罗的海琥珀 Dolichopodidae(双翅目)已灭绝属的简要回顾和检索表
摘要 从晚始新世波罗的海琥珀中描述了一个新属 Plesiomedetera gen.该属被归入现存的 Medeterinae 亚科,包括 5 个已知种和 2 个疑似种,这些种都是由 Meunier 在 1907-1908 年描述的,而且从未再被报道过。Plesiomedetera flammea(Meunier,1907 年),comb. nov.和 P. mustela(Meunier,1907 年),comb. nov.进行了描述和图解,并编制了该属公认种的检索表。简要回顾了波罗的海琥珀中其他 8 个已灭绝的属,分别属于现存的 Diaphorinae、Dolichopodinae、Medeterinae、Peloropeodinae 和 Sciapodinae 亚科,并编制了这些属的检索表。提出了以下新组合(comb:Plesiomedetera decora(Meunier,1907 年),P. elegantula(Meunier,1907 年),P. vana(Meunier,1907 年),P. lasciva(Meunier,1907 年),P. lepida(Meunier,1907 年),Medeterites atterraneus(Nazarov,1994 年),M.gulosus (Meunier, 1907), M. latipennis (Meunier, 1907), Palaeoargyra planipedia (Meunier, 1907), Palaeomedeterus praeconcinnus (Evenhuis, 1994), P. concinnus (Meunier, 1907), Palaeoargyra planipedia (Meunier, 1907), Palaeomedeterus praeconcinnus (Evenhuis, 1994).concinnus(Meunier,1907),P. tertiarius(Meunier,1907),Prohercostomus ciliatus(Meunier,1907),P. devinctus(Meunier,1907),P.minutus (Meunier, 1907), P. morbosus (Meunier, 1907), P. smicrus (Meuffels et Grootaert, 1999) and P. inumbratus (Meunier, 1907).Sciara pusilla Meunier, 1899 被认为是无名种,而不是 Dolichopodidae 的未定位种。Dolichopus smicrus Meuffels et Grootaert, 1999(不必要的新名)与 Prohercostomus minutus 同属。总共列出了波罗的海琥珀中 53 个公认的物种、5 个可疑的物种和 10 个未定位的物种。
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来源期刊
Paleontological Journal
Paleontological Journal 地学-古生物学
CiteScore
1.20
自引率
33.30%
发文量
70
审稿时长
6-12 weeks
期刊介绍: Paleontological Journal (Paleontologicheskii zhurnal) is the principal Russian periodical in paleontology. The journal publishes original work on the anatomy, morphology, and taxonomy of fossil organisms, as well as their distribution, ecology, and origin. It also publishes studies on the evolution of organisms, ecosystems, and the biosphere and provides invaluable information on global biostratigraphy with an emphasis on Eastern Europe and Asia.
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