Roundyella

Roundyella is an extinct genus of ostracod (seed shrimp) belonging to the order Leperditellocopida and family Scrobiculidae.^[1][2] Specimens have been found in beds of Devonian^[3] to Triassic^[4] age in Australia,^[5] Asia,^[6][4] Europe,^[7] North America,^[1] and South America.^[8]

Roundyella Temporal range: Devonian-Triassic PreꞒ Ꞓ O S D C P T J K Pg N
Roundyella? simplex, R. nodomarginata
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Ostracoda
Order:	†Leperditellocopida
Family:	†Scrobiculidae
Genus:	†Roundyella

Species

• Roundyella bellatula Bradfield 1935^[9]
• Roundyella dorsopapillosa Sohn 1954^[10]
• Roundyella kroemmelbeini Kozur 1985^[11]
• Roundyella lebaensis Krommelbein 1958^[12]
• Roundyella ludbrookae Fleming 1985^[5]
• Roundyella neopapillosa Ishizaki 1964^[13]
• Roundyella ovatiformis Hou 1954^[14]
• Roundyella papilliformis Wang 1978^[15]
• Roundyella simplex Girty 1910^[16]
• Roundyella simplicissima Knight 1928^[17]

References

• Paleontology portal

1. Sohn, I.G. (1961). "Aechminella, Amphissites, Kirkbyella, and related genera". U.S. Geological Survey Professional Paper. Professional Paper. 330-B. doi:10.3133/pp330B.
2. Abushik, A. F. (September 2015). "Ostracods (Crustacea): Some problems of systematics". Paleontological Journal. 49 (5): 485–495. doi:10.1134/S0031030115050020. S2CID 85715125.
3. Ficner, F.; Havlicek, V. (1978). "Middle Devonian brachiopods from Celechovice, Moravia". Sborník Geologických Věd, Paleontologie. 21: 49–106.
4. Forel, Marie‐Béatrice; Crasquin, Sylvie; Chitnarin, Anisong; Angiolini, Lucia; Gaetani, Maurizio (May 2015). "Precocious sexual dimorphism and the Lilliput effect in Neo‐Tethyan Ostracoda (Crustacea) through the Permian–Triassic boundary". Palaeontology. 58 (3): 409–454. doi:10.1111/pala.12151. hdl:2434/354270. S2CID 140198533.
5. Ferdinando, D. (2001). Ostracode and foraminiferal taxonomy and paleoecology of the Holmwood Shale, northern Perth Basin, Western Australia [dissertation (PDF). University of Western Australia. pp. 1–326. Retrieved 14 February 2022.
6. Zazzali, Sindbad; Crasquin, Sylvie; Deconinck, Jean-François; Feng, Qinglai (September 2015). "Biodiversity across the Guadalupian-Lopingian Boundary: first results on the ostracod (Crustacea) fauna, Chaotian section (Sichuan Province, South China)" (PDF). Geodiversitas. 37 (3): 283–313. doi:10.5252/g2015n3a1. S2CID 128473981.
7. Fohrer, B. (1997). "Ostracoden aus dem Oberkarbon und Unterperm der Karnischen Alpen (Osterreich): systematik, biostratigraphie und palokologie". Jahrbuch der Geologischen Bundesanstalt. 140 (2): 99–191.
8. Hoover, P.R. (1981). "Paleontology, Taphonomy, and Paleoecology of the Palmarito Formation (Permian of Venezuela)". Bulletins of American Paleontology. 80 (313): 1–138.
9. Crasquin-Soleau, S. (1999). "First Permian Ostracode Fauna from the Arabian Plate (Khuff Formation, Sultanate of Oman)" (PDF). Micropaleontology. 45 (2): 163–182. doi:10.2307/1486111. JSTOR 1486111.
10. Sohn, I.G. (1954). "Ostracoda from the Permian of the Glass Mountains, Texas". U.S. Geological Survey Professional Paper. Professional Paper. 264-A. doi:10.3133/pp264A.
11. Mette, W. (2008). "Upper Permian and lowermost Triassic stratigraphy, facies and ostracods in NW Iran – implications for the P/T extinction event". Stratigraphy. 5: 205–219.
12. Olempska, E.; Blaszyk, J. (1996). "Ostracods from the Permian of Spitsbergen" (PDF). Polish Polar Research. 17: 3–20. Retrieved 14 February 2022.
13. Ishizaki, K. (1964). "Middle Permian ostracodes from the Iwaizaki Limestone, northeast Japan". Science Reports of the Tohoku University. Second Series, Geology. 36: 139–160.
14. Hou, Y. T. (1954). "Some Lower Permian ostracods from western Hupeh". Acta Palaeontologica Sinica. 2: 227–266.
15. Yan, T. Z.; Wang, S. Q.; Qi, Y. P. (2005). "Ostracodes from the Chuanshan Formation at the Shencun section of Tonglu, Zhejiang". Acta Palaeontologica Sinica. 44: 247–259. Retrieved 14 February 2022.
16. Sohn, I.G. (1969). "Revision of some of Girty's invertebrate fossils from the Fayetteville Shale (Mississippian) of Arkansas and Oklahoma – Ostracodes". U.S. Geological Survey Professional Paper. 606-F. doi:10.3133/pp606.
17. Crasquin-Soleau, S. (1997). "First upper Paleozoic ostracodes from British Columbia (Canada): Harper Ranch Group". Palaeontographica Abteilung A. 244 (1–3): 37–84. doi:10.1127/pala/244/1997/37. S2CID 247211185.