Class

Malacostraca

4,202 species in this class. Browse scientific names and open each profile for distribution, taxonomy and available wildlife data.

Open Malacostraca in the interactive guide

Species · page 7 of 71

fatfinger marsh crab

fatfinger marsh crab

Armases benedicti

Sesarmidae
squareback marsh crab

squareback marsh crab

Armases cinereum

Sesarmidae
Armases magdalenense

Armases magdalenense

Armases magdalenense

Sesarmidae
Armases occidentale

Armases occidentale

Armases occidentale

Sesarmidae
humic marsh crab

humic marsh crab

Armases ricordi

Sesarmidae
Crabe d'eau saumâtre de Robert

Crabe d'eau saumâtre de Robert

Armases roberti

Sesarmidae
Armases rubripes

Armases rubripes

Armases rubripes

Sesarmidae

Arrhis luthkei

Arrhis luthkei

Oedicerotidae
Sea Piglet

Sea Piglet

Arrhis phyllonyx

Oedicerotidae
Argentine stiletto shrimp

Argentine stiletto shrimp

Artemesia longinaris

Penaeidae

Artesia subterranea

Artesia subterranea

Artesiidae

sea squirt shrimp

Ascidonia californiensis

Palaemonidae

Asconiscus simplex

Asconiscus simplex

Asconiscidae
aquatic sowbug

aquatic sowbug

Asellus aquaticus

Asellidae

Aspidarachna clypeata

Aspidarachna clypeata

Munnopsidae

Astacilla damnoniensis

Astacilla damnoniensis

Arcturidae

Astacilla dilatata

Astacilla dilatata

Arcturidae

Astacilla glabrus

Astacilla glabrus

Arcturidae

Astacilla intermedia

Astacilla intermedia

Arcturidae
Astacille à longues antennes

Astacille à longues antennes

Astacilla longicornis

Arcturidae

Astacilla pusilla

Astacilla pusilla

Arcturidae
Noble Crayfish

Noble Crayfish

Astacus astacus

Astacidae
Circular Crab

Circular Crab

Atelecyclus rotundatus

Atelecyclidae
Horse Crab

Horse Crab

Atelecyclus undecimdentatus

Atelecyclidae
Floral Egg Crab

Floral Egg Crab

Atergatis floridus

Xanthidae

Atergatis granulatus

Atergatis granulatus

Xanthidae

Atergatis latissimus

Atergatis latissimus

Xanthidae
Crabe à rigoles

Crabe à rigoles

Atergatopsis germainii

Xanthidae
Atergatopsis signata

Atergatopsis signata

Atergatopsis signata

Xanthidae

Athanas djiboutensis

Athanas djiboutensis

Alpheidae
hooded shrimp

hooded shrimp

Athanas nitescens

Alpheidae

Athanas parvus

Athanas parvus

Alpheidae

similar shrimp

Atlantopandalus propinqvus

Pandalidae
Atlantorchestoidea brasiliensis

Atlantorchestoidea brasiliensis

Atlantorchestoidea brasiliensis

Talitridae
Florida Fast Woodlouse

Florida Fast Woodlouse

Atlantoscia floridana

Philosciidae
basket shrimp

basket shrimp

Atya innocous

Atyidae
Atya lanipes

Atya lanipes

Atya lanipes

Atyidae
Camacuto shrimp

Camacuto shrimp

Atya scabra

Atyidae
European freshwater shrimp

European freshwater shrimp

Atyaephyra desmarestii

Atyidae

Atylus carinatus

Atylus carinatus

Atylidae
Hawaiian filter shrimp

Hawaiian filter shrimp

Atyoida bisulcata

Atyidae
Atyoida chacei

Atyoida chacei

Atyoida chacei

Atyidae

Koros shrimp

Atyoida pilipes

Atyidae
Koros Shrimp

Koros Shrimp

Atyoida serrata

Atyidae
Atyoida tahitensis

Atyoida tahitensis

Atyoida tahitensis

Atyidae
soldier brush shrimp

soldier brush shrimp

Atyopsis spinipes

Atyidae
Armed elbow crab

Armed elbow crab

Aulacolambrus hoplonotus

Parthenopidae

Austinixa aidae

Austinixa aidae

Pinnotheridae

cristate pea crab

Austinixa cristata

Pinnotheridae

Austinixa patagoniensis

Austinixa patagoniensis

Pinnotheridae

Cangrejo chícharo

Austinixa transversalis

Pinnotheridae

Crabe Kanak

Australocarcinus kanaka

Chasmocarcinidae
Society Fast Woodlouse

Society Fast Woodlouse

Australophiloscia societatis

Philosciidae

Austropandalus grayi

Austropandalus grayi

Pandalidae
Italian White-clawed Crayfish

Italian White-clawed Crayfish

Austropotamobius fulcisianus

Astacidae
White-clawed Crayfish

White-clawed Crayfish

Austropotamobius pallipes

Astacidae
Stone Crayfish

Stone Crayfish

Austropotamobius torrentium

Astacidae
East African Fiddler Crab

East African Fiddler Crab

Austruca occidentalis

Ocypodidae
Perplexing Fiddler Crab

Perplexing Fiddler Crab

Austruca perplexa

Ocypodidae
Triangular Fiddler Crab

Triangular Fiddler Crab

Austruca triangularis

Ocypodidae