Snail-case caddisfly

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Helicopsychidae

Helicopsyche sp.
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Trichoptera
Suborder:	Integripalpia
Superfamily:	Sericostomatoidea
Family:	Helicopsychidae Ulmer, 1912
Genera
Helicopsyche Rakiura

Helicopsychidae (snail-case caddisfly) are a family of Trichoptera. The name refers to the helix shaped larval cases. Helicopsychidae is divided into two genera, the monphyletic Rakiura and Helicopsyche. The family contains more than 230 species and are present on all major faunal regions.

Extant Trichoptera families

Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Subclass: Pterygota
Infraclass: Neoptera
Superorder: Endopterygota

Suborder Annulipalpia

Hydropsychoidea	Arctopsychidae (net-spinning caddisflies) Dipseudopsidae Ecnomidae Hydropsychidae (net-spinning caddisflies) Polycentropodidae (trumpet-net and tube-making caddisflies) Psychomyiidae (trumpet-net and tube-making caddisflies) Xiphocentronidae

Philopotamoidea	Philopotamidae (finger-net and silken-tube spinner caddisflies) Stenopsychidae

Suborder Integripalpia

Leptoceroidea	Atriplectididae Calamoceratidae Leptoceridae (long-horned caddisflies) Limnocentropodidae Molannidae Odontoceridae Philorhethridae

Limnephiloidea	Apataniidae Brachycentridae Goeridae Lepidostomatidae Limnephilidae (northern caddisflies) Oeconescidae Pisuliidae Rossianidae Uenoidae

Phyrganeoidea (giant caddisflies)	Phryganeidae Phyrganopsychidae Plectrotarsidae

Sericostomatoidea	Anomalopsychidae Antipodoeciidae Barbarochthonidae Beraeidae Calocidae Chathamiidae (marine caddisflies) Conoesucidae Helicophidae Helicopsychidae (snail-case caddisflies) Hydrosalpingidae Kokiriidae Sericostomatidae Petrothrincidae

Tasmioidea	Tasmiidae

Suborder Spicipalpia

Glossosomatoidea	Glossosomatidae Pticolepidae

Hydroptiloidea	Hydroptilidae (microcaddisflies or purse-case caddisflies)

Rhyacophiloidea (primitive caddisflies)	Hydrobiosidae Rhyacophilidae

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