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brokenray

Arkansas Brokenray

Lampsilis reeveiana

Image of a female Argiope garden spider.

Black-and-Yellow Garden Spider

Argiope aurantia

Bluefer

Bluefer (Purpleshell)

Potamilus purpuratus

Photo of a bristly cave crayfish, viewed from the side.

Bristly Cave Crayfish

Cambarus setosus

Gray, speckled, translucent gelatinous blob cut in half to show structure

Bryozoans (Moss Animals)

Freshwater species in the phylum Bryozoa

butterfly

Butterfly

Ellipsaria lineolata

Photo of a papershell crayfish, also called calico crayfish.

Calico Crayfish (Papershell Crayfish)

Faxonius immunis (formerly Orconectes immunis)

Image of Chinese mantis.

Chinese Mantis

Tenodera aridifolia

Photo of a spothanded crayfish viewed from above on white background.

Crayfishes

About 36 species in Missouri

Photo of a devil crayfish.

Devil Crayfish

Lacunicambarus aff. diogenes

Photo of a digger crayfish.

Digger Crayfish

Creaserinus fodiens (formerly Fallicambarus fodiens)

Photo of a male Banded Pennant dragonfly

Dragonflies

Species in the suborder Anisoptera

Photo of eastern dobsonfly

Eastern Dobsonfly

Corydalus cornutus

Photograph of Ebonyshell freshwater mussel shell exterior view

Ebonyshell

Fusconaia ebena

Endangered

elephant's ear

Elephantear

Elliptio crassidens

Endangered

elktoe

Elktoe

Alasmidonta marginata

fatmucket

Fatmucket

Lampsilis siliquoidea

image of a Summer Fishfly

Fishflies

Chauliodes, Neohermes, and Nigronia spp. (in eastern US)

Photo of a fishfly larva crawling among rocks in an aquarium.

Fishfly Larvae

Chauliodes, Neohermes, and Nigronia spp. (in eastern US)

fragile papershell

Fragile Papershell

Leptodea fragilis

Photo of a freckled crayfish.

Freckled Crayfish

Cambarus maculatus

Monkey Face Mussel

Freshwater Mussels

Bivalve molluscs in order Unionoida

giant floater

Giant Floater

Pygandon grandis

Image of a giant red-headed centipede.

Giant Red-Headed Centipede

Scolopendra heros

Venomous

Photo of a golden crayfish viewed through the surface of creek water.

Golden Crayfish

Faxonius luteus (formerly Orconectes luteus)

Photo of hellgrammite

Hellgrammite

Corydalus cornutus

Photo of a horsehair worm in an aquarium

Horsehair Worms

About 350 species scientifically described.

Photo of Hubbs' crayfish.

Hubbs’ Crayfish

Cambarus hubbsi

Photo of a leech

Leeches

Various species in the subclass Hirudinea

Photo of a longpincered crayfish.

Longpincered Crayfish

Faxonius longidigitus (formerly Orconectes longidigitus)

maple leaf

Mapleleaf

Quadrula quadrula

image of Narceus Millipede crawling across gravel

Millipedes

More than 900 species in North America north of Mexico

monkeyface

Monkeyface

Quadrula metanevra

mucket

Mucket

Actinonaias ligamentina

Photo of an Ohio shrimp with small grayish pincers in the foreground.

Ohio Shrimp

Macrobrachium ohione

Photo of an Ozark crayfish.

Ozark Crayfish

Faxonius ozarkae (formerly Orconectes ozarkae)

Photo of a painted devil crayfish standing on a sandy substrate

Painted Devil Crayfish

Lacunicambarus ludovicianus

Photo of a paintedhand mudbug carefully arranged against a black background

Paintedhand Mudbug

Lacunicambarus polychromatus

paper pondshell

Paper Pondshell (Paper Floater)

Utterbackia imbecillis

pimpleback

Pimpleback

Quadrula pustulosa

pink heelsplitter

Pink Heelsplitter

Potamilus alatus

pink mucket

Pink Mucket

Lampsilis abrupta

Endangered

pink papershell

Pink Papershell

Potamilus ohiensis

pistolgrip

Pistolgrip (Buckhorn)

Tritogonia verrucosa

plain pocketbook

Plain Pocketbook

Lampsilis cardium

pond mussel

Pond Mussel

Ligumia subrostrata

Photograph of Purple Wartyback freshwater mussel shell exterior view

Purple Wartyback (Purple Pimpleback)

Cyclonaias tuberculata

Photo of a red swamp crawfish or crayfish.

Red Swamp Crawfish

Procambarus clarkii

Photo of a ringed crayfish.

Ringed Crayfish

Faxonius neglectus (formerly Orconectes neglectus)

round pigtoe

Round Pigtoe

Pleurobema sintoxia

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