Species list, Checklist of Infraorder Araneomorphi for Yixian Formation (Liaoning, China)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

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INSECTOIDGERENGDARK LIGHT

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Checklist for Infraorder Araneomorphi Smith, 1902
and region Yixian Formation (Liaoning, China)

Class	Arachnida Lamarck, 1801 Arachnids	4 6 9	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	4 6 9	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	4 6 9	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	4 6 9	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	4 6 9	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	4 6 9	Families Genera Species	Taxom

List of families for Yixian Formation
4 Families width 9 Species

Araneidae Simon, 1895	Golden orb web spiders	4	Species	Taxom
Philodromidae Thorell, 1870	False crab spiders	1	Species	Taxom
Theridiidae Sundevall, 1833	Cobweb And Widow Spiders	2	Species	Taxom
Gnaphosidae Pocock, 1898	Flat-bellied ground spiders	2	Species	Taxom

Genera for Yixian Formation
6 Genera with 9 Species

Araneus Clerck, 2004	Angulate & roundshouldered orbweavers	4	Species	Taxom
Cretadromus Cheng, Shen ..., 2009		1	Species	Taxom
Cretaraneus Selden, 2008		1	Species	Taxom
Gnaphosa Latreille, 2004		1	Species	Taxom
Theridion Walckenaer, 2004	Tangle-Web Spiders	1	Species	Taxom
Zhizhu		1	Species	Taxom

Species list for Yixian Formation
9 Species

Araneus aethus Chang, 2004
Araneus beipiaoensis Chang, 2004
Araneus liaoxiensis ♰ J. P. Chang, 2004
Araneus reheensis ♰ J. P. Chang, 2004
Cretadromus liaoningensis Cheng & al., 2009
Cretaraneus liaoningensis ♰ X. D. Cheng, 2008
Gnaphosa liaoningensis ♰ J. P. Chang, 2004
Theridion atalus Chang, 2004
Zhizhu jeholensis Selden & al., 2015