Glypheidea

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Glypheidea
Temporal range: Early Triassic–Recent
File:Naturkundemuseum Berlin - Mecochirus longimanatus - Solnhofen.jpg
fossil Mecochirus longimanatus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Clade: Reptantia
Infraorder: Glypheidea
Winckler, 1882
Superfamilies

Glypheidea is an infraorder of lobster-like decapod crustaceans, comprising a number of fossil forms and the two extant (living) genera Neoglyphea and Laurentaeglyphea:[1] The infraorder was thought to be extinct until a living species, Neoglyphea inopinata, was discovered in 1975. They are now considered "living fossils", with over 256 fossil species discovered, and just two extant species.[2]

Phylogeny

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Glypheidea belongs to the clade Reptantia within the order Decapoda, although its exact placement within Reptantia is difficult to determine.[3] Some phylogenetic studies consider Glypheidea to be most closely related to the infraorder Astacidea, which consists of the lobsters and crayfish,[2] whereas other studies instead consider Glypheidea to be more closely related to the infraorder Polychelida, a group of deep-sea blind lobsters.[3]

Taxonomy

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Glypheoidea Winckler, 1882
† Erymoidea Van Straelen, 1924
Glaessnericaroidea Karasawa, Schweitzer & Feldmann, 2013[4]

References

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