Polytylites is an extinct genus of ostracod (seed shrimp) belonging to the order Palaeocopida and family Amphissitidae.[1][2] Specimens have been found in beds of Carboniferous[3] to Permian[4] age in North America[3] and Asia.[5][1]

Polytylites
Temporal range: Carboniferous-Permian
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Ostracoda
Order: Palaeocopida
Suborder: Beyrichicopina
Family: Amphissitidae
Genus: Polytylites

Species edit

  • P. ambitus Cooper 1941[6]
  • P. concavus Croneis and Bristol[6]
  • P. crassus Cooper 1941[6]
  • P. directus Cooper 1941[6]
  • P. diversus Cooper 1941[7]
  • P. grovei Croneis and Gutke[6]
  • P. kitanipponica Ishizaki 1964[8]
  • P. oblongus Hoare and Mapes 2000[9]
  • P. reticulatus Cooper 1941[6]
  • P. similis Croneis and Gale[6]
  • P. simplex Hou 1954[10]
  • P. sublineatus Croneis and Thurman[6]
  • P. tricollinus Jones and Kirkby[6]
  • P. trilobus Croneis and Gale[6]

References edit

  1. ^ a b Chitnarin, Anisong; Crasquin, Sylvie; Charoentitirat, Thasinee; Tepnarong, Prachya; Thanee, Nathawut (December 2012). "Ostracods (Crustacea) of the Early-Middle Permian from Central Thailand (Indochina block). Part I. Order Palaeocopida". Geodiversitas. 34 (4): 801–835. doi:10.5252/g2012n4a5.
  2. ^ Tanaka, Gengo; Miyake, Yukio; Ono, Teruo; Yuan, Aihua; Ichida, Masahiro; Maeda, Haruyoshi; Crasquin, Sylvie (12 November 2018). "Early Permian (Cisuralian) ostracods from Japan: characteristic ostracod assemblage from a seamount of the Panthalassic Ocean". Zootaxa. 4515 (1): 1. doi:10.11646/zootaxa.4515.1.1.
  3. ^ a b Elias, M. K. (1958). "Late Mississippian fauna of the Redoak Hollow Formation of southern Oklahoma. Part IV. Gastropoda, scaphopoda, cephalopoda, thoracica, and problematica". Journal of Paleontology. 32 (1): 1–57. JSTOR 1300645.
  4. ^ Crasquin-Soleau, S.; Orchard, M. J. (1994). "Upper Paleozoic ostracodes of the Harper Ranch beds (south-central British Columbia, Canada)". Micropaleontology. 40 (3): 242–254. JSTOR 1485818.
  5. ^ Yi, W. J. (2004). "Ostracodes from the Upper Permian and Lower Triassic at the Kongtongshan section of Datian, Fujian". Acta Palaeontologica Sinica. 43: 556–570. Retrieved 14 February 2022.
  6. ^ a b c d e f g h i j Cooper, C.L. (1941). "Chester ostracodes of Illinois" (PDF). Illinois State Geological Survey Report of Investigations. 77. Retrieved 14 February 2022.
  7. ^ Crasquin-Soleau, S. (1997). "First upper Paleozoic ostracodes from British Columbia (Canada): Harper Ranch Group". Palaeontographica Abteilung A. 244 (1–3): 37–84.
  8. ^ Ishizaki, K. (1964). "Middle Permian ostracodes from the Iwaizaki Limestone, northeast Japan". Science Reports of the Tohoku University. Second Series, Geology. 36: 139–160.
  9. ^ Hoare, R. D.; Mapes, R. H. (March 2000). "OSTRACODES FROM THE IMO FORMATION (MISSISSIPPIAN, CHESTERIAN) OF NORTH CENTRAL ARKANSAS". Journal of Paleontology. 74 (sp52): 1–23. doi:10.1666/0022-3360(2000)52[1:OFTIFM]2.0.CO;2.
  10. ^ Hou, Y. T. (1954). "Some Lower Permian ostracods from western Hupeh". Acta Palaeontologica Sinica. 2: 227–266.