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Stenopodidea
Temporal range: Late Devonian–Recent
Stenopus hispidus (high res).jpg
Stenopus hispidus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Order: Decapoda
Suborder: Pleocyemata
Infraorder: Stenopodidea
Claus, 1872
Families

The Stenopodidea is a small group of decapod crustaceans. Often confused with shrimp or prawns, they are neither, but belong in a group closer to the reptant decapods, such as lobsters and crabs. They may be easily recognised by their third pereiopod (walking leg), which is greatly enlarged.[1] In the lobsters and crabs, it is the first pereiopod that is much bigger than the others. There are 71 extant species currently recognised, divided into 12 genera.[1] Three fossil species are also recognised, each belonging to a separate genus.[2][3] The earliest fossil assigned to the Stenopodidea is Devonostenopus pennsylvaniensis from the Devonian.[3] Until D. pennsylvaniensis was discovered, the oldest known member of the group was Jilinicaris chinensis from the Late Cretaceous.[4]

References[edit]

  1. ^ a b S. De Grave & C. H. J. M. Fransen (2011). "Carideorum Catalogus: the Recent species of the dendrobranchiate, stenopodidean, procarididean and caridean shrimps (Crustacea: Decapoda)". Zoologische Mededelingen. 85 (9): 195–589, figs. 1–59. ISBN 978-90-6519-200-4. 
  2. ^ Sammy De Grave; N. Dean Pentcheff; Shane T. Ahyong; et al. (2009). "A classification of living and fossil genera of decapod crustaceans" (PDF). Raffles Bulletin of Zoology. Suppl. 21: 1–109. 
  3. ^ a b Wade T. Jones, Rodney M. Feldmann, Carrie E. Schweitzer, Frederick R. Schram, Rose-Anna Behr and Kristen L. Hand (2014). "The first Paleozoic stenopodidean from the Huntley Mountain Formation (Devonian–Carboniferous), north-central Pennsylvania". Journal of Paleontology. 88 (6): 1251–1256. doi:10.1666/13-059. 
  4. ^ Frederick R. Shram; Shen Yanbin; Ronald Vonk & Rodney S. Taylor (2000). "The first fossil stenopodidean". Crustaceana. 73 (2): 235–242. doi:10.1163/156854000504183. 

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