Information about Eumalacostraca
| Eumalacostraca | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
) Blue crabs, Callinectes sapidus Blue crabs, Callinectes sapidus | ||||||||||
| Scientific classification | ||||||||||
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| Superorders | ||||||||||
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Syncarida Peracarida Eucarida See text for orders. | ||||||||||
The Eumalacostraca (Greek: "true soft shell") are a subclass of crustaceans, containing almost all living malacostracans, about 22,000 described species. (The outgroups are the Phyllocarida and possibly the Hoplocarida or mantis shrimps.)
Eumalacostracans have 19 segments (5 cephalic, 8 thoracic, 6 abdominal). The thoracic limbs are jointed and used for swimming or walking. The common ancestor is thought to have had a carapace, and most living species possess one, but it has been lost in some subgroups.
Classification
Martin and Davis [1] present the following classification of living eumalacostracans into orders, to which extinct orders have been added, indicated by †.The group as originally described by Karl Grobben [2] included the Stomatopoda (mantis shrimp), and some modern experts continue to use this definition. Here we follow Martin and Davis in excluding them; they are placed in their own subclass, Hoplocarida.
Subclass Eumalacostraca Grobben, 1892
- Superorder Syncarida Packard, 1885
- †Order Palaeocaridacea
- Order Bathynellacea Chappuis, 1915
- Order Anaspidacea Calman, 1904 (including Stygocaridacea)
- Superorder Peracarida Calman, 1904
- Order Spelaeogriphacea Gordon, 1957
- Order Thermosbaenacea Monod, 1927
- Order Lophogastrida Sars, 1870
- Order Mysida Haworth, 1825
- Order Mictacea Bowman, Garner, Hessler, Iliffe & Sanders, 1985
- Order Amphipoda Latreille, 1816
- Order Isopoda Latreille, 1817 (pillbugs, sowbugs, woodlice)
- Order Tanaidacea Dana, 1849
- Order Cumacea Krøyer, 1846
- Superorder Eucarida Calman, 1904
- Order Euphausiacea Dana, 1852
- Order Amphionidacea Williamson, 1973
- Order Decapoda Latreille, 1802 (crabs, lobsters, shrimp)
References
1. ^ J. W. Martin & G. E. Davis (2001). An Updated Classification of the Recent Crustacea. Natural History Museum of Los Angeles County.
2. ^ C. Grobben (1892). Zur Kenntnis des Stammbaumes und des Systems der Crustaceen. Sitzber. K. Akad. Wiss., Vienna, Math. Nat. Cl. 101: 237–274.
2. ^ C. Grobben (1892). Zur Kenntnis des Stammbaumes und des Systems der Crustaceen. Sitzber. K. Akad. Wiss., Vienna, Math. Nat. Cl. 101: 237–274.
C. sapidus
Binomial name
Callinectes sapidus
Rathbun, 1896
The blue crab (Callinectes sapidus, from the Greek calli="beautiful", nectes="swimmer", and Latin
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Binomial name
Callinectes sapidus
Rathbun, 1896
The blue crab (Callinectes sapidus, from the Greek calli="beautiful", nectes="swimmer", and Latin
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Arthropoda
Latreille, 1829
Subphyla and Classes
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Latreille, 1829
Subphyla and Classes
- Subphylum Trilobitomorpha
- Trilobita - trilobites (extinct)
- Subphylum Chelicerata
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crustaceans (Crustacea) are a large group of arthropods, comprising approximately 52,000 described species [1], and are usually treated as a subphylum [2].
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Malacostraca
Latreille, 1802
Subclasses
Eumalacostraca
Hoplocarida
Phyllocarida
See text for orders.
The Malacostraca (Greek: "soft shell") are the largest subgroup of crustaceans and include most of the animals that non-experts
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Latreille, 1802
Subclasses
Eumalacostraca
Hoplocarida
Phyllocarida
See text for orders.
The Malacostraca (Greek: "soft shell") are the largest subgroup of crustaceans and include most of the animals that non-experts
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Karl Grobben (sometimes written Carl Grobben) was an Austrian biologist, who was born on August 27 1854 in Brno, and died on April 13 1945 in Salzburg. He graduated from, and later worked at, the University of Vienna, chiefly on molluscs and crustaceans.
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Syncarida
Packard, 1885
Orders
Syncarida is a superorder of crustaceans, comprising the two orders Anaspidacea and Bathynellacea [1][2].
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Packard, 1885
Orders
- Anaspidacea Calman, 1904
- Bathynellacea Chappuis, 1915
Syncarida is a superorder of crustaceans, comprising the two orders Anaspidacea and Bathynellacea [1][2].
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Peracarida
Calman, 1904
Orders
Amphipoda
Cumacea
Isopoda
Lophogastrida
Mictacea
Mysida
Spelaeogriphacea
Tanaidacea
Thermosbaenacea
The superorder Peracarida
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Calman, 1904
Orders
Amphipoda
Cumacea
Isopoda
Lophogastrida
Mictacea
Mysida
Spelaeogriphacea
Tanaidacea
Thermosbaenacea
The superorder Peracarida
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Eucarida
Calman, 1904
Orders
Eucarida is a superorder of crustaceans, comprising the decapods, krill and Amphionides.
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Calman, 1904
Orders
- Decapoda
- Euphausiacea
- Amphionidacea
Eucarida is a superorder of crustaceans, comprising the decapods, krill and Amphionides.
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crustaceans (Crustacea) are a large group of arthropods, comprising approximately 52,000 described species [1], and are usually treated as a subphylum [2].
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Malacostraca
Latreille, 1802
Subclasses
Eumalacostraca
Hoplocarida
Phyllocarida
See text for orders.
The Malacostraca (Greek: "soft shell") are the largest subgroup of crustaceans and include most of the animals that non-experts
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Latreille, 1802
Subclasses
Eumalacostraca
Hoplocarida
Phyllocarida
See text for orders.
The Malacostraca (Greek: "soft shell") are the largest subgroup of crustaceans and include most of the animals that non-experts
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Phyllocarida
Packard, 1879
Order: Leptostraca
Claus, 1880 [1]
Families
Nebaliidae
Nebaliopsidae
Paranebaliidae
Leptostraca (from the Greek words for thin and shell
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Packard, 1879
Order: Leptostraca
Claus, 1880 [1]
Families
Nebaliidae
Nebaliopsidae
Paranebaliidae
Leptostraca (from the Greek words for thin and shell
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Hoplocarida
Calman, 1904
Order: Stomatopoda
Latreille, 1817
Suborders, superfamilies and families [1]
Suborder Archaestomatopodea
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Calman, 1904
Order: Stomatopoda
Latreille, 1817
Suborders, superfamilies and families [1]
Suborder Archaestomatopodea
- Tyrannophontidae†
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A carapace is a dorsal section of an exoskeleton or shell in a number of animal groups.
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Crustaceans
In crustaceans, the carapace is a part of the exoskeleton that covers the cephalothorax. It is particularly well developed in lobsters and crabs...... Click the link for more information.
Karl Grobben (sometimes written Carl Grobben) was an Austrian biologist, who was born on August 27 1854 in Brno, and died on April 13 1945 in Salzburg. He graduated from, and later worked at, the University of Vienna, chiefly on molluscs and crustaceans.
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Hoplocarida
Calman, 1904
Order: Stomatopoda
Latreille, 1817
Suborders, superfamilies and families [1]
Suborder Archaestomatopodea
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Calman, 1904
Order: Stomatopoda
Latreille, 1817
Suborders, superfamilies and families [1]
Suborder Archaestomatopodea
- Tyrannophontidae†
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Hoplocarida
Calman, 1904
Order: Stomatopoda
Latreille, 1817
Suborders, superfamilies and families [1]
Suborder Archaestomatopodea
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Calman, 1904
Order: Stomatopoda
Latreille, 1817
Suborders, superfamilies and families [1]
Suborder Archaestomatopodea
- Tyrannophontidae†
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Syncarida
Packard, 1885
Orders
Syncarida is a superorder of crustaceans, comprising the two orders Anaspidacea and Bathynellacea [1][2].
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Packard, 1885
Orders
- Anaspidacea Calman, 1904
- Bathynellacea Chappuis, 1915
Syncarida is a superorder of crustaceans, comprising the two orders Anaspidacea and Bathynellacea [1][2].
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Anaspidacea
Calman, 1904
Families
See text
Anaspidacea is an order of crustaceans, comprising eleven genera in four families. Species in the family Anaspididae vary from being strict stygobionts (only living underground) to species living
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Calman, 1904
Families
See text
Anaspidacea is an order of crustaceans, comprising eleven genera in four families. Species in the family Anaspididae vary from being strict stygobionts (only living underground) to species living
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Peracarida
Calman, 1904
Orders
Amphipoda
Cumacea
Isopoda
Lophogastrida
Mictacea
Mysida
Spelaeogriphacea
Tanaidacea
Thermosbaenacea
The superorder Peracarida
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Calman, 1904
Orders
Amphipoda
Cumacea
Isopoda
Lophogastrida
Mictacea
Mysida
Spelaeogriphacea
Tanaidacea
Thermosbaenacea
The superorder Peracarida
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Spelaeogriphacea
Gordon, 1957
Family: Spelaeogriphidae
Gordon, 1957
Genera
Mangkurtu
Potiicoara
Spelaeogriphus
Spelaeogriphacea
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Gordon, 1957
Family: Spelaeogriphidae
Gordon, 1957
Genera
Mangkurtu
Potiicoara
Spelaeogriphus
Spelaeogriphacea
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Thermosbaenacea
Monod, 1927
Families
Halosbaenidae
Monodellidae
Thermosbaenidae
Tulumellidae
Thermosbaenacea is a group of crustaceans that live in thermal springs in fresh water, brackish water and anchialine habitats.
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Monod, 1927
Families
Halosbaenidae
Monodellidae
Thermosbaenidae
Tulumellidae
Thermosbaenacea is a group of crustaceans that live in thermal springs in fresh water, brackish water and anchialine habitats.
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Mysidacea
Orders & Families
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Orders & Families
- Lophogastrida G. O. Sars, 1870
- Eucopiidae
- Lophogastridae
- Mysida A. H.
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Mysidacea
Orders & Families
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Orders & Families
- Lophogastrida G. O. Sars, 1870
- Eucopiidae
- Lophogastridae
- Mysida A. H.
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Mictacea
Bowman, Garner, Hessler, Iliffe & Sanders, 1985 [1]
Families
Hirsutiidae
Mictocarididae
Mictacea is the most recently established order of crustaceans, erected for five species of small shrimp-like animals of the deep
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Bowman, Garner, Hessler, Iliffe & Sanders, 1985 [1]
Families
Hirsutiidae
Mictocarididae
Mictacea is the most recently established order of crustaceans, erected for five species of small shrimp-like animals of the deep
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Amphipoda
Latreille, 1816
Sub-orders
Gammaridea
Corophiidea
Hyperiidea
Ingolfiellidea
Amphipoda (amphipods) is an order of animals that includes over 7000 described species of small, shrimp-like crustaceans.
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Latreille, 1816
Sub-orders
Gammaridea
Corophiidea
Hyperiidea
Ingolfiellidea
Amphipoda (amphipods) is an order of animals that includes over 7000 described species of small, shrimp-like crustaceans.
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Isopoda
Latreille, 1817
Suborders
Anthuridea
Asellota
Calabozoida
Epicaridea
Flabellifera
Microcerberidea
Oniscidea
Phreatoicidea
Valvifera
Isopods
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Latreille, 1817
Suborders
Anthuridea
Asellota
Calabozoida
Epicaridea
Flabellifera
Microcerberidea
Oniscidea
Phreatoicidea
Valvifera
Isopods
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Tanaidacea
Dana, 1849
Families
Family Apseudellidae
Family Apseudidae
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Dana, 1849
Families
- Suborder Anthracocaridomorpha
- Suborder Apseudomorpha
Family Apseudellidae
Family Apseudidae
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Cumacea
Krøyer, 1846
Families
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Krøyer, 1846
Families
- 8 to 11, See taxonomy
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