NOTE: For many of these references, I have pdfs. This list includes all known papers on the fossil record of cyclids (Cyclida, Cycloidea, etc). If you think I am missing something, please let me know!
Cyclid references (67)
1. Alexandrowicz, S. W. 1972. Halicyne (Crustacea incertae sedis) aus den Rötdolomiten des oberschlesischen beckens. Bulletin de l’Académie Polonaise des Sciences. Série des Sciences de la Terre 20: 257-265.
2. Baird, G. C., S. D. Sroka, C. W. Shabica, and G. J. Kuecher. 1986. Taphonomy of middle Pennsylvanian Mazon Creek area fossil localities, northeast Illinois: significance of exceptional fossil preservation in syngenetic concretions. Palaios 1: 271-285.
3. Bicknell, R. D. C., A. A. Klompmaker, G. D. Edgecombe, V. E. McCoy, A. Young, B. Lauer, R. Lauer, and C. Cuomo. 2025. Gregarious behaviour in Carboniferous cyclidan crustaceans. Biology Letters 21: 20240734.
4. Brambilla, S., A. Garassino, G. Pasini, and G. Teruzzi. 2002. Studies on Permo–Trias of Madagascar. 6. First record of Cycloidea from the Lower Triassic (Olenekian) of Ambilobe region (NW Madagascar). Atti della Societa italiana di Scienze naturali, e del Museo civile di Storia naturale Milano 143: 105-115.
5. Bürgin, T., U. Eichenberger, H. Furrer, and K. Tschanz. 1991. Die Prosanto-Formation―eine fischreiche Fossil-Lagerstätte in der Mitteltrias der Silvretta-Decke (Konton Graubünden, Schweiz) [The Prosanto Formation―a fish-rich fossil deposit in the Middle Triassic of the Silvretta Nappe (Konton Graubünden, Switzerland)]. Eclogae Geologicae Helvetiae 84: 921-990.
6. Busse, E., and M. Horn. 1978. Neue fossilfunde im Mittleren Buntsandstein NW-Hessens und ihre bedeutung für die Paläogeographie. Geologishes Jahrbuch Hessen 106: 131-142.
7. Chernyshev, B. I. 1933. [Arthropoda from the Urals and other regions of the U.S.S.R.]. Sborník Tsentral’nogo Nauchno-Issledovatel’skogo Geologorazvedochnogo Instituta. Paleontologiya i Stratigrafiya 1: 15-24.
8. Clark, N. D. L., R. M. Feldmann, F. R. Schram, and C. E. Schweitzer. 2020. Redescription of Americlus rankini (Woodward, 1868) (Pancrustacea: Cyclida: Americlidae) and interpretation of its systematic placement, morphology, and paleoecology. Journal of Crustacean Biology 40: 181-193.
9. Dai, X., J. H. F. L. Davies, Z.-W. Yuan, A. Brayard, M. Ovtcharova, G.-H. Xu, X.-K. Liu, C. P. A. Smith, C. E. Schweitzer, and M.-T. Li. 2023. A Mesozoic fossil lagerstätte from 250.8 million years ago shows a modern-type marine ecosystem. Science 379: 567-572.
10. Dernov, V. 2015. Novi znakhidky zalyshkiv ta slidiv zhyttyediyal’nosti chlenystonohyky u Bashkyrs’kykh vidkladakh Donbasu [New finds arthropods remains and hteir trace fossils in Bashkirian deposits of Donets Basin]. Paleontolohichnyy Zbirnyk 47: 120-126.
11. Dernov, V. S. 2019. Taphonomy and paleoecology of fauna and flora from deltaic sandstones of Mospinka Formation (Middle Carboniferous) of Donets Basin. GEO&BIO 18: 37-63.
12. Dernov, V. S. 2022. Persha znakhidka tsyklidy (Pancrustacea, Multicrustacea) v karboni Donetsʹkoho basey‐ nu, Ukrayina [The first record of Cyclida (Pancrustacea, Multicrustacea) in the Carboniferous of the Donets Basin, Ukraine]. Zbirnyk naukovykh pratsʹ Instytutu heolohichnykh nauk NAN Ukrayiny 15: 78-85.
13. Dzik, J., and T. Sulej. 2007. A review of the early late Triassic Krasiejów Biota from Silesia, Poland. Palaeontologia Polonica 64: 1-27.
14. Dzik, J. 2008. Gill structure and relationships of the Triassic cycloid crustaceans. Journal of Morphology 269: 1501-1519.
15. Feldmann, R. M., C. E. Schweitzer, S. Hu, J. Huang, Q. Zhang, C. Zhou, W. Wen, T. Xie, and E. P. Maguire. 2017. A new Middle Triassic (Anisian) cyclidan crustacean from the Luoping Biota, Yunnan Province, China: morphologic and phylogenetic insights. Journal of Crustacean Biology 37: 406-412.
16. Feldmann, R. M., and C. E. Schweitzer. 2019. The enigmatic Cyclida (Pancrustacea): morphological terminology and family-level classification. Journal of Crustacean Biology 39: 617-633.
17. Fraaije, R. H. B., F. R. Schram, and R. Vonk. 2003. Maastrichtiocaris rostratus new genus and species, the first Cretaceous cycloid. Journal of Paleontology 77: 386-389.
18. Gall, J.-C., and L. Grauvogel. 1967. Faune du Buntsandstein II.—Les Halicynés. Annales de Paléontologie 53: 1-14.
19. Glaessner, M. F. 1928. Zur Frage der ältesten fossilen Krabben [On the question of the oldest fossil crabs]. Centralblatt für Mineralogie, Geologie und Paläontologie, Abteilung B 6: 388-398.
20. Glaessner, M. F. 1969. Cycloidea. In Treatise on Invertebrate Paleontology (Part R, Arthropoda 4(2)), R. C. Moore, ed. The Geological Society of America and The University of Kansas, Boulder, CO and Lawrence, KS, p. R567-R570.
21. Goldring, R. 1967. Cyclus martinensis sp. nov. (Crustacea) from the Upper Visean of the Mendip Hills, England. Palaeontology 10: 317-321.
22. Hagdorn, H. 2015. Wirbellose des Lettenkeupers [Invertebrates of the Lettenkeuper]. In Der Lettenkeuper — ein Fenster in die Zeit vor den Dinosauriern, H. Hagdorn, R. Schoch, and G. Schweigert, eds. Staatliches Museum für Naturkunde, Ingelfingen: Muschelkalkmuseum Ingelfingen, Stuttgart, p. 107-140.
23. Hauschke, N., H. W. Kozur, J. Rust, M. Schulz, G. Schweigert, D. Seegis, T. Wappler, and V. Wilde. 2021. Arthropoden der Germanischen Trias [Arthropods of the Germanic Triassic]. In Trias—Aufbruch in das Erdmittelalter. Vol. 1, N. Hauschke, M. Franz, and G. H. Bachmann, eds. Verlag Dr. Friedrich Pfeil, Munich, p. 283-296.
24. Hopwood, A. T. 1925. On the famiy Cyclidae Packard. Geological Magazine 62: 289-309.
25. Hu, S.-x., Q.-y. Zhang, W. Wen, J.-y. Huang, C.-y. Zhou, T. Xie, T. Lü, T.-l. Liu, and M. J. Benton. 2014. The Luoping Biota: A Taphonomic Window on Triassic Biotic Recovery and Radiation. Yunnan Publishing Group Co. & Yunnan Science and Technology Press, Kunming, CHina.
26. Hyžný, M., C. Haug, and J. T. Haug. 2016. Mesoprosopon triasinum from the Triassic of Austria revisited: The oldest eumalacostracan larva known to date and its significance for interpreting fossil cycloids. Gondwana Research 37: 86-97.
27. Klompmaker, A. A. 2019. Marine arthropods from the Middle Triassic of Winterswijk. Staringia 16: 191-194.
28. Kramarenko, N. N. 1961. A representative of Cyclidae (Crustacea) from the Lower Permian of Cisuralia. Palaeontological Journal 1961: 86-89.
29. Kustatscher, E., M. Franz, C. Heunisch, M. Reich, and T. Wappler. 2014. Floodplain habitats of braided river systems: depositional environment, flora and fauna of the Solling Formation (Buntsandstein, Lower Triassic) from Bremke and Fürstenberg (Germany). Palaeobiodiversity and Palaeoenvironments 94: 237-270.
30. Müller, A. H. 1955. Über einem Neufund von Halicyne plana und die systematische Stellung von Halicyne (Crustacea?). Paläontologische Zeitschrift 29: 131-135.
31. Mychko, E. V., and A. S. Alekseev. 2018. Two new genera of Cyclida (Crustacea: Maxillopoda: Branchiura) from the Cisuralian (Lower Permian) of Southern Urals (Russia). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 289: 23-34.
32. Mychko, E. V., A. V. Mazaev, A. E. Davydov, N. B. Gibshman, K. V. Sakhnenko, and A. S. Alekseev. 2019. Akkermanovka-Khabarnoye — Novyy rannekamennougol’nyy Lagershtett na territorii Rossii (yuzhnyy Ural) [Akkermanovka-Khabarnoe – New early Carboniferous Lagerstätt in Russia (south Urals)]. Byulleten’ Moskovskogo obshchestva ispytateley prirody. Otdel geologicheskiy 94: 46-55.
33. Mychko, E. V., R. M. Feldmann, C. E. Schweitzer, and A. S. Alekseev. 2019. New genus of Cyclida (Crustacea) from Lower Carboniferous (Mississippian, Viséan) of Russia and England and new species from Viséan of Russia. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 294: 81-90.
34. Mychko, E. V. 2022. Udivitel’nyye tsiklidy—svideteli Velikogo permskogo vymiraniya. Chast’ 1 [Amazing Cyclidans—the witnesses of the great extinction. Part 1]. Priroda 2022: 11-23.
35. Mychko, E. V. 2022. Udivitel’nyye tsiklidy—svideteli Velikogo permskogo vymiraniya. Chast’ 2 [Amazing Cyclidans—the witnesses of the great extinction. Part 2]. Priroda 2022: 24-33.
36. Mychko, E. V. 2023. Rannepermskiye trilobity i tsiklidy Sterlitamakskikh shikhanov [Early Permian Trilobites and Cyclidans from the Sterlitamak Shikhans]. Geologicheskii Vestnik 2023: 144-158.
37. Mychko, E., A. Alekseev, E. Zaytseva, C. Schweitzer, and R. Feldmann. 2022. New finding of Cyclida (Crustacea) from Mississippian and not‑cyclidan from Permian of Russia. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 305: 75-85.
38. Niko, S., and Y. Ibaraki. 2011. First cyclid crustacean from East Asia. Journal of the Geological Society of Japan 117: 259-262.
39. Packard Jr., A. S. 1885. On the Carboniferous xiphosurous fauna of North America. Memoirs of the National Academy of Sciences 3: 143-157.
40. Pasini, G., and A. Garassino. 2003. Studies on Permo–Trias of Madagascar. 7. New record of Halicyne gondwanae Brambilla et al., 2002 (Crustacea, Cycloidea) from the Lower Triassic (Olenekian) of Ambilobe region (NW Madagascar). Atti della Societa italiana di Scienze naturali, e del Museo civile di Storia naturale Milano 144: 3-9.
41. Pieroni, V. 2024. The first Cyclida from the Triassic of Italy. Swiss Journal of Palaeontology 143: 1-8.
42. Pirozhnikov, L. I. 1959. Ostatki Cycloidea iz otlozheniy kazanskogo yarusa reki Kakim (Pechorskiy kamennougol’nyy basseyn) [Remains of Cycloidea from the deposits of the Kazanian stage of the Kakim River (Pechora coal basin)]. Nauchno-Issledovatel’skiy Institut Geologii Arktiki. Paleontologiya i Biostratigrafiya 17: 85-87.
43. Reed, F. R. C. 1908. IV.—Sedgwick Museum Notes. A New Species of Cyclus from the Carboniferous Limestone of Ireland. Geological Magazine 5: 551-552.
44. Reuss, A. E. 1867. Über einige Crustaceenreste aus der alpinen Trias Österreichs. Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften zu Wien, Mathematisch-Naturwissenschaftliche Classe 55: 277-284.
45. Rogers, A. F. 1902. Some new American species of Cyclus from the coal measures. Kansas University Science Bulletin 1:
46. Schädel, M., and J. T. Haug. 2020. A new interpretation of the enigmatic fossil arthropod Anhelkocephalon handlirschi Bill, 1914 – important insights in the morphology of Cyclida. Palaeodiversity 13: 69.
47. Schram, F. R., W. D. I. Rolfe, and A. A. Hay. 1997. Crustacea. In Richardson’s Guide to the Fossil Fauna of Mazon Creek, C. W. Shabica, and A. A. Hay, eds. Northeastern Illinois University, Chicago, p. 155-171.
48. Schram, F. R., R. Vonk, and C. H. J. Hof. 1997. Mazon Creek cycloidea. Journal of Paleontology 71: 261-283.
49. Schram, F. R., A. C. Boere, and N. Thomas. 2006. Cycloidea of the Mississippian Bear Gulch Limestone of central Montana. Contributions in Science from the Natural History Museum of Los Angeles County 504: 1-8.
50. Schwebel, L., J.-C. Gall, and L. Grauvogel. 1983. Faune du Buntsandstein V.—Description du néotype d’Anhelkocephalon handlirschi Bill (1914), crustacé isopode du Trias inférieur des Vosges (France). Annales de Paléontologie 69: 307-316.
51. Schweigert, G. 2006. The first cycloid arthropod from the Late Jurassic. Zitteliana A 46: 85-89.
52. Schweigert, G. 2007. Juracyclus posidoniae n. gen. and sp., the first cycloid arthropod from the Jurassic. Journal of Paleontology 81: 213-215.
53. Schweigert, G., R. Fraaije, and M. Wulf. 2009. Die cycliden: Eine rätselhafte krebsgruppe. Fossilien 2009: 17-22.
54. Schweitzer, C. E., E. V. Mychko, and R. M. Feldmann. 2020. Revision of Cyclida (Pancrustacea, Multicrustacea), with five new genera. Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 296: 245-303.
55. Seebach, K. V. 1857. Entomostraceen aus der Trias Thüringens. Zeitschrift der Deutschen Geologischen Gesellschaft 9: 198-206.
56. Tang, H. Y., E. V. Mychko, R. M. Feldmann, C. E. Schweitzer, H. Shaari, and M. Sone. 2021. Malayacyclus gen. nov., the first Southeast Asian Cyclida (Crustacea) from the Early Carboniferous of Terengganu, Malaysia. Geological Journal 56: 6022-6030.
57. Tang, H. Y., E. V. Mychko, R. M. Feldmann, C. E. Schweitzer, H. Shaari, and M. Sone. 2023. Validation of Malayacyclus Tang, Mychko, Feldmann, Schweitzer, Shaari & Sone, a cyclidan crustacean from the Early Carboniferous of Terengganu, Malaysia. Zootaxa 5318: 439-440.
58. Thomas, N. 2004. The Taphonomy of a Carboniferous Lagerstätte: The Invertebrates of the Bear Gulch Limestone Member. Department of Geology Ph.D:
59. Trümpy, R. 1957. Ein Fund von Halicyne (Crustacea incertae sedis) im mittleren Muschelkalk des Wutachtales. Eclogae Geologicae Helvetiae 23: 544-553.
60. van Bakel, B. W. M., J. W. M. Jagt, R. H. B. Fraaije, and P. Artal. 2011. A new family, genus and species of cyclid (Crustacea, Branchiura, Cyclida) from mid-Cretaceous reefal deposits in northern Spain. Bulletin of the Mizunami Fossil Museum 37: 47-49.
61. von Alberti, F. 1864. Ueberblick über die Trias, mit Berücksichtigung ihres Vorkommens in den Alpen. JG Cottaschen Buchlandlung, Stuttgart.
62. Woodward, H. 1868. Fourth report on the structure and classification of the fossil Crustacea. Report of the British Association for the Advancement of Science 72-75.
63. Woodward, H. 1870. Contributions to British Fossil Crustacea. Geological Magazine 7: 554-560.
64. Woodward, H. 1893. Note on a new British species of Cyclus from the coal-measures of Bacup, Lancashire. Geological Magazine 10: 28-29.
65. Woodward, H. 1894. Contributions to our knowledge of the Genus Cyclus, from the Carboniferous Formation of various British Localities. Geological Magazine 1: 530-539.
66. Woodward, H. 1905. Further note on Cyclus johnsoni, from the Coal-Measures near Dudley. Geological Magazine 2: 490-492.
67. Żyła, D., P. Wegierek, K. Owocki, and G. Niedźwiedzki. 2013. Insects and crustaceans from the latest Early-early Middle Triassic of Poland. Palaeogeography, Palaeoclimatology, Palaeoecology 371: 136-144.