Aegeridae

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Aegeridae
Temporal range: Early Triassic–Cretaceous
Aeger elegans fossil.jpg
Aeger elegans
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Malacostraca
Order: Decapoda
Suborder: Dendrobranchiata
Superfamily: Penaeoidea
Family: Aegeridae
Burkenroad, 1963  [1]
Genera

Aegeridae is a family of fossil prawns, [1] one of the earliest Mesozoic shrimp families. [2] It contains the genera Aeger , Acanthochirana , [3] Anisaeger and Distaeger . [2] The main diagnostic character of Aegeridae is the presence of numerous spines or thin setae on the third maxilliped. [4]

They are known from locations in Europe, Mexico, United States, Middle East and China. [2] [5]

Aegerids such as Anisaeger and Distaeger were found in large numbers of close specimens, suggesting gregarious behaviour. They could have been good swimmers, but the morphology suggests they mostly lived on the sea floor. [2]

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<span class="mw-page-title-main">Stenopodidea</span> Infraorder of crustaceans

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The Guiyang biota is an exceptionally preserved Early Triassic fossil assemblage from the Daye Formation near Guiyang (China), discovered between 2015 and 2019 and first reported in 2023. It is the oldest known Mesozoic lagerstätte, and it provides evidence of the existence of a complex marine ecosystem shortly after the Permian–Triassic extinction event.

Anisaeger is a genus of fossil prawns first described from the Luoping biota of the middle Triassic of China but also known from the Guiyang biota and Paris biota of the early Triassic. It includes three species, A. brevirostrus, A. longirostrus and A. spiniferus.

Distaeger is a genus of fossil prawns first described from the Luoping biota of the middle Triassic of China. It includes one species, D. prodigiosus.

References

  1. 1 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. Archived from the original (PDF) on 2011-06-06.
  2. 1 2 3 4 Schweitzer, Carrie E.; Feldmann, Rodney M.; Hu, Shixue; Huang, Jinyuan; Zhou, Changyong; Zhang, Qiyue; Wen, Wen; Xie, Tao (May 2014). "Penaeoid Decapoda (Dendrobranchiata) from the Luoping Biota (Middle Triassic) of China: Systematics and Taphonomic Framework". Journal of Paleontology. 88 (3): 457–474. Bibcode:2014JPal...88..457S. doi:10.1666/13-039. S2CID   128636280 . Retrieved 14 March 2023.
  3. Rodney M. Feldmann; Francisco J. Vega; Leticia Martinez-Lopez; Katia A. González-Rodríguez; Oscar González-León; María Del Rosario Fernández-Barajas (2007). "Crustacean from the Muhi Quarry (Albian-Cenomanian), and a review of Aptian Mecochiridae (Astacidea) from Mexico". Annals of Carnegie Museum . 76 (3): 145–156. doi:10.2992/0097-4463(2007)76[145:CFTMQA]2.0.CO;2. S2CID   86572575.
  4. Robalino, Javier; Wilkins, Blake; Bracken-Grissom, Heather D.; Chan, Tin-Yam; O'Leary, Maureen A. (July 14, 2016). "The Origin of Large-Bodied Shrimp that Dominate Modern Global Aquaculture". PLOS ONE. 11 (7): e0158840. Bibcode:2016PLoSO..1158840R. doi: 10.1371/journal.pone.0158840 . PMC   4945062 . PMID   27415002.
  5. Smith, Christopher P. A.; Charbonnier, Sylvain; Jenks, James F.; Bylund, Kevin G.; Escarguel, Gilles; Olivier, Nicolas; Fara, Emmanuel; Brayard, Arnaud (2022). "The Paris Biota decapod (Arthropoda) fauna and the diversity of Triassic decapods". Journal of Paleontology. 96 (6): 1235–1263. Bibcode:2022JPal...96.1235S. doi:10.1017/jpa.2022.34. S2CID   249448157.