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Arkansas Brokenray
Lampsilis reeveiana
Black-and-Yellow Garden Spider
Argiope aurantia
Bluefer (Purpleshell)
Potamilus purpuratus
Bristly Cave Crayfish
Cambarus setosus
Bryozoans (Moss Animals)
Freshwater species in the phylum Bryozoa
Butterfly
Ellipsaria lineolata
Calico Crayfish (Papershell Crayfish)
Faxonius immunis (formerly Orconectes immunis)
Chinese Mantis
Tenodera sinensis (formerly T. aridifolia)
Common Green Darner
Anax junius
Crayfishes
About 36 species in Missouri
Devil Crayfish
Lacunicambarus aff. diogenes
Digger Crayfish
Creaserinus fodiens (formerly Fallicambarus fodiens)
Dragonflies
Species in the suborder Anisoptera
Eastern Dobsonfly
Corydalus cornutus
Ebonyshell
Fusconaia ebena
Endangered
Elephantear
Elliptio crassidens
Endangered
Elktoe
Alasmidonta marginata
Fatmucket
Lampsilis siliquoidea
Fishflies
Chauliodes, Neohermes, and Nigronia spp. (in eastern US)
Fishfly Larvae
Chauliodes, Neohermes, and Nigronia spp. (in eastern US)
Fragile Papershell
Leptodea fragilis
Freckled Crayfish
Cambarus maculatus
Freshwater Mussels
Bivalve molluscs in order Unionoida
Giant Floater
Pygandon grandis
Giant Red-Headed Centipede
Scolopendra heros
Venomous
Giant Walkingstick
Megaphasma denticrus
Golden Crayfish
Faxonius luteus (formerly Orconectes luteus)
Hellgrammite
Corydalus cornutus
Horsehair Worms
About 350 species scientifically described.
Hubbs' Crayfish
Cambarus hubbsi
Leeches
Various species in the subclass Hirudinea
Longpincered Crayfish
Faxonius longidigitus (formerly Orconectes longidigitus)
Mantids (Mantises)
Stagomantis carolina, Mantis religiosa, and Tenodera sinensis
Mapleleaf
Quadrula quadrula
Millipedes
More than 900 species in North America north of Mexico
Monkeyface
Quadrula metanevra
Mucket
Actinonaias ligamentina
Northern Walkingstick
Diapheromera femorata
Ohio Shrimp
Macrobrachium ohione
Ozark Crayfish
Faxonius ozarkae (formerly Orconectes ozarkae)
Painted Devil Crayfish
Lacunicambarus ludovicianus
Paintedhand Mudbug
Lacunicambarus polychromatus
Paper Pondshell (Paper Floater)
Utterbackia imbecillis
Pimpleback
Quadrula pustulosa
Pink Heelsplitter
Potamilus alatus
Pink Mucket
Lampsilis abrupta
Endangered
Pink Papershell
Potamilus ohiensis
Pistolgrip (Buckhorn)
Tritogonia verrucosa
Plain Pocketbook
Lampsilis cardium
Pond Mussel
Ligumia subrostrata
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