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Information about Remipedia

Remipedia
Scientific classification
Kingdom:Animalia
Phylum:Arthropoda
Subphylum:Crustacea
Class:Remipedia
J. Yager, 1981
Orders


Enantiopoda (extinct)
Nectiopoda
Remipedia is a class of blind crustaceans found in deep caves connected to salt water, in Australia and the Caribbean Sea. The first described remipede was the fossil Tesnusocaris goldichi (Lower Pennsylvanian), but, since 1979, about a dozen living species have been found. These species have been assigned to one order Nectiopoda and two families Godzilliidae and Speleonectidae.

Members of this group are colourless with a head and up to thirty-two similar body segments composing an elongate trunk. The swimming appendages are lateral on each segment, and the animals swim on their backs. They are generally slow-moving. They have fangs connected to secretory glands; it is still unknown whether these glands secrete digestive juices or poisonous venom, or whether remipedes feed primarily on detritus or on living organisms. They have a generally primitive body plan in crustacean terms, and have been thought to be a basal, ancestral crustacean group. However, Fanenbruck et al. (2004) showed that at least one species, Godzilliognomus frondosus, has a highly organised and well-differentiated brain, with a particularly large olfactory area (not surprising in a species that lives essentially without light). The size and complexity of the brain suggested to Fanenbruck et al. that Remipedia might be the sister taxon to Malacostraca, regarded as the most advanced of the crustaceans. This is also one of the reasons why it is included in the Pancrustacea hypothesis, a hypothethical clade of probably the most advanced Mandibulata.

References

  • Fanenbruck, M., Harzsch, S., & Wägele, J. W. (2004). The brain of the Remipedia (Crustacea) and an alternative hypothesis on their phylogenetic relationships. Proceedings of the National Academy of Sciences. Published online 5th March 2004.
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
  • 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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Nectiopoda
Schram, 1986

Families

There are 3 families:
Godzilliidae
Micropacteridae
Speleonectidae

The order Nectiopoda is a taxon of crustaceans, belonging to the class Remipedia.
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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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Anthem
Advance Australia Fair [1]


Capital Canberra

Largest city Sydney
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Caribbean Sea (pronounced IPA: /kəˈrɪbiən/ or /ˌkærɨˈbiːən/
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The Early Pennsylvanian (also known as the Lower Pennsylvanian) is the first of three subepochs of the Pennsylvanian epoch of the Carboniferous period. It spans the time between 318.1 ± 1.3 Ma and 311.7 ± 1.1 Ma (million years ago). It has one faunal stage, the Bashkirian.
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order (Latin: ordo, plural ordines) is a rank between class and family (termed a taxon at that rank). The superorder is a rank between class and order. Exact details of formal nomenclature depend on the Nomenclature Code which applies.
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Nectiopoda
Schram, 1986

Families

There are 3 families:
Godzilliidae
Micropacteridae
Speleonectidae

The order Nectiopoda is a taxon of crustaceans, belonging to the class Remipedia.
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family (Latin: familia, plural familiae) is a rank, or a taxon in that rank. Exact details of formal nomenclature depend on the Nomenclature Code which applies.
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Godzilliidae
Schram, Yager & Emerson, 1986

Genera
  • Godzilliognomus
  • Pleomothra
  • Godzillus


Godzilliidae is a family of crustaceans, belonging to the class Remipedia.
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Speleonectidae
Yager, 1981

Genera
  • Cryptocorynectes
  • Kaloketos
  • Lasionectes
  • Speleonectes


Speleonectidae is a family of crustaceans, belonging to the class Remipedia.
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An appendage in the broadest sense is an additional or subsidiary part existing on, or added to, something which can generally still function if the appendage has never existed or is later provided or grown, or will still perform a primary function if the appendage is removed.
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Olfaction (also known as olfactics) refers to the sense of smell. This sense is mediated by specialized sensory cells of the nasal cavity of vertbrates, and, by analogy, sensory cells of the antennae of invertebrates.
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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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Pancrustacea
Zrzavı & Štys, 1997

Subphyla
Crustacea
Hexapoda

Pancrustacea is a proposed taxon, comprising all crustaceans and hexapods [1].
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This article has been tagged since July 2007.
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In arthropods, the mandible is either of a pair of arthropod mouthparts used for biting, cutting and holding food. Mandibles are often simply referred to as jaws. The arthropods with mandibles form the clade Mandibulata
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Proceedings of the National Academy of Sciences of the United States of America, usually referred to as PNAS, is the official journal of the United States National Academy of Sciences.
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