Species list, Checklist of Suborder Pisciforma for Williamson County (Illinois, USA)

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Checklist for Suborder Pisciforma McCafferty, 1991
and region Williamson County (Illinois, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	219 826 1025	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	219 826 1025	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	17 44 66	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	8 16 13	Families Genera Species	Taxom
Order	Ephemeroptera Hyatt & Arms, 1891 Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes	8 16 13	Families Genera Species	Taxom
Suborder	Pisciforma McCafferty, 1991	3 11 8	Families Genera Species	Taxom

List of families for Williamson County (Illinois)
3 Families width 8 Species

Baetidae (Leach, 1815)	Mayflies	3	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	5	Species	Taxom
Siphlonuridae Banks, 1900	Primitive Minnow Mayflies	0	Species	Taxom

Genera for Williamson County (Illinois)
11 Genera with 8 Species

Species list for Williamson County (Illinois)
8 Species

Baetis (Baetis) intercalaris McDunnough, 1921	Alpine draba
Heptagenia (Heptagenia) flavescens Walsh, 1862
Heterocloeon amplum Traver, 1932
Labiobaetis propinquus (Walsh, 1863)	⇒ Pseudocloeon propinquum Walsh, 1863
Leucrocuta (Leucrocuta) maculipennis Walsh, 1863
Maccaffertium pulchellum Walsh, 1862
Stenacron interpunctatum Say, 1839	Ginger quill
Stenonema femoratum Say, 1823	Dark Cahill

Subnodes of Pisciforma with occurrences in Williamson County (Illinois)

Superfamily	Heptagenioidea Needham, 1901	1 5 5	Family Genera Species	Taxom
Superfamily	Siphlonuroidea Ulmer, 1920	2 6 3	Families Genera Species	Taxom

Links, sources and further information

Pisciforma at itis.gov