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Taxa

Malacostraca

Class

The largest class of crustaceans, with a body typically divided into a head, a thorax bearing walking legs, and a segmented abdomen. Malacostraca includes crabs, lobsters, shrimp, crayfish and the terrestrial woodlice, and dominates crustacean diversity in both marine and freshwater environments.

Facts
Disputed
Member Species/Taxa Count
40,000 2
Approximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized.
Taxonomic Rank
Class 2
Scientific Name
Malacostraca 2
Classification
Living or Extinct
Yes 1
Connections

Child Taxon Of

Arthropoda, Taxa
Source Catalogue of Life

Parent Taxon Of

Amphipod, Species
Source Wikidata: Amphipod
Antarctic Krill, Species
Source Wikidata: Antarctic Krill
Common Pill Woodlouse, Species
Source Wikidata: Common Pill Woodlouse
Common Rough Woodlouse, Species
Source Wikidata: Common Rough Woodlouse
Cumacean (Cumacea), Species
Source GBIF Backbone Taxonomy: Cumacea
Cymothoa exigua, Species
Source Wikidata: Tongue-eating Louse
Gammarus Pulex, Species
Source Wikidata: Gammarus Pulex
Giant Isopod, Species
Source Wikidata: Giant Isopod
Mantis Shrimp, Species
Source Wikidata: Mantis Shrimp
Northern Krill, Species
Source Wikidata: Northern Krill
Opossum Shrimp (Mysida), Species
Source GBIF Backbone Taxonomy: Mysida
Pacific Krill, Species
Source Wikidata: Pacific Krill
Peacock Mantis Shrimp, Species
Source Wikidata: Peacock Mantis Shrimp
Porcellio dilatatus, Species
Source Wikidata: Porcellio dilatatus
Porcellio monticola, Species
Source Wikidata: Porcellio monticola
Porcellio scaber, Species
Source Wikidata: Common Rough Woodlouse
Sand Hopper (Talitrus saltator), Species
Source GBIF Backbone Taxonomy: Talitrus saltator
Sea Slater, Species
Source Wikidata: Sea Slater
Skeleton Shrimp, Species
Source Wikidata: Skeleton Shrimp
Squilla Mantis, Species
Source Wikidata: Squilla Mantis
Tanaid (Tanaidacea), Species
Source GBIF Backbone Taxonomy: Tanaidacea
Tongue-eating Louse, Species
Source Wikidata: Tongue-eating Louse
Water Slater (Asellus aquaticus), Species
Source GBIF Backbone Taxonomy: Asellus aquaticus
Whale Louse, Species
Source Wikidata: Whale Louse
Woodlouse, Species
Source Wikidata: Woodlouse
Sources
1. Wikidata (taxon extant/extinct status)
Wikimedia Foundation / Wikidata contributorsQ182978, descriptionView the Source
2. Catalogue of Life
Species 2000 & ITIS Catalogue of LifeView the Source
Wikidata: Malacostraca
Wikidata Q182978, class allow-list match (w-wdresolver-0926)View the Source
Wikidata: Antarctic Krill
Parent Taxon Of: Antarctic Krill, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Mantis Shrimp
Parent Taxon Of: Mantis Shrimp, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Giant Isopod
Parent Taxon Of: Giant Isopod, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Woodlouse
Parent Taxon Of: Woodlouse, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Amphipod
Parent Taxon Of: Amphipod, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Skeleton Shrimp
Parent Taxon Of: Skeleton Shrimp, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Tongue-eating Louse
  • Parent Taxon Of: Tongue-eating Louse, Wikidata parent-taxon (P171) chain
  • Parent Taxon Of: Cymothoa exigua, Wikidata parent-taxon (P171) chain
View the Source
Wikidata: Gammarus Pulex
Parent Taxon Of: Gammarus Pulex, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Whale Louse
Parent Taxon Of: Whale Louse, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Northern Krill
Parent Taxon Of: Northern Krill, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Pacific Krill
Parent Taxon Of: Pacific Krill, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Sea Slater
Parent Taxon Of: Sea Slater, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Squilla Mantis
Parent Taxon Of: Squilla Mantis, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Peacock Mantis Shrimp
Parent Taxon Of: Peacock Mantis Shrimp, Wikidata parent-taxon (P171) chainView the Source
Wikidata: Common Pill Woodlouse
Parent Taxon Of: Common Pill Woodlouse, Wikidata P171View the Source
Wikidata: Common Rough Woodlouse
  • Parent Taxon Of: Common Rough Woodlouse, Wikidata P171
  • Parent Taxon Of: Porcellio scaber, Wikidata P171
View the Source
Wikidata: Porcellio monticola
Parent Taxon Of: Porcellio monticola, Wikidata P171View the Source
Wikidata: Porcellio dilatatus
Parent Taxon Of: Porcellio dilatatus, Wikidata P171View the Source
Malacostraca (Wikipedia)
In Group: Arthropod Classes, Lead
Quote, In Group: Arthropod Classes, Lead
Malacostraca is the second largest of the six classes of pancrustaceans after insects, containing about 40,000 living species, divided among 16 orders.
View the Source
GBIF Backbone Taxonomy: Talitrus saltator
GBIF Backbone TaxonomyParent Taxon Of: Sand Hopper (Talitrus saltator), Taxon record
Quote, Parent Taxon Of: Sand Hopper (Talitrus saltator), Taxon record
"class": "Malacostraca"
View the Source
GBIF Backbone Taxonomy: Asellus aquaticus
GBIF Backbone TaxonomyParent Taxon Of: Water Slater (Asellus aquaticus), Taxon record
Quote, Parent Taxon Of: Water Slater (Asellus aquaticus), Taxon record
"class": "Malacostraca"
View the Source
GBIF Backbone Taxonomy: Mysida
GBIF Backbone TaxonomyParent Taxon Of: Opossum Shrimp (Mysida), Taxon record
Quote, Parent Taxon Of: Opossum Shrimp (Mysida), Taxon record
"class": "Malacostraca"
View the Source
GBIF Backbone Taxonomy: Tanaidacea
GBIF Backbone TaxonomyParent Taxon Of: Tanaid (Tanaidacea), Taxon record
Quote, Parent Taxon Of: Tanaid (Tanaidacea), Taxon record
"class": "Malacostraca"
View the Source
GBIF Backbone Taxonomy: Cumacea
GBIF Backbone TaxonomyParent Taxon Of: Cumacean (Cumacea), Taxon record
Quote, Parent Taxon Of: Cumacean (Cumacea), Taxon record
"class": "Malacostraca"
View the Source
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