Polytylites

{{Short description|Extinct genus of seed shrimp}}

{{Automatic taxobox

| fossil_range = {{fossil range|Carboniferous|Permian|Carboniferous-Permian}}

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| taxon = Polytylites

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| subdivision_ranks = Species

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Polytylites is an extinct genus of ostracod (seed shrimp) belonging to the order Palaeocopida and family Amphissitidae.{{cite journal |last1=Chitnarin |first1=Anisong |last2=Crasquin |first2=Sylvie |last3=Charoentitirat |first3=Thasinee |last4=Tepnarong |first4=Prachya |last5=Thanee |first5=Nathawut |title=Ostracods (Crustacea) of the Early-Middle Permian from Central Thailand (Indochina block). Part I. Order Palaeocopida |journal=Geodiversitas |date=December 2012 |volume=34 |issue=4 |pages=801–835 |doi=10.5252/g2012n4a5}}{{cite journal |last1=Tanaka |first1=Gengo |last2=Miyake |first2=Yukio |last3=Ono |first3=Teruo |last4=Yuan |first4=Aihua |last5=Ichida |first5=Masahiro |last6=Maeda |first6=Haruyoshi |last7=Crasquin |first7=Sylvie |title=Early Permian (Cisuralian) ostracods from Japan: characteristic ostracod assemblage from a seamount of the Panthalassic Ocean |journal=Zootaxa |date=12 November 2018 |volume=4515 |issue=1 |pages=1 |doi=10.11646/zootaxa.4515.1.1}} Specimens have been found in beds of Carboniferous to Permian{{cite journal |first1=S. |last1=Crasquin-Soleau |first2=M. J. |last2=Orchard |year=1994 |title=Upper Paleozoic ostracodes of the Harper Ranch beds (south-central British Columbia, Canada) |journal=Micropaleontology |volume=40 |issue=3 |pages=242–254 |jstor=1485818}} age in North America{{cite journal |first1=M. K. |last1=Elias |year=1958 |title=Late Mississippian fauna of the Redoak Hollow Formation of southern Oklahoma. Part IV. Gastropoda, scaphopoda, cephalopoda, thoracica, and problematica |journal=Journal of Paleontology |volume=32 |number=1 |pages=1–57 |jstor=1300645}} and Asia.{{cite journal |first1=W. J. |last1=Yi |year=2004 |title=Ostracodes from the Upper Permian and Lower Triassic at the Kongtongshan section of Datian, Fujian |journal=Acta Palaeontologica Sinica |volume=43 |pages=556–570 |url=https://europepmc.org/article/cba/462713 |access-date=14 February 2022}}