Copepoda name details
Cyclops viridis Jurine, 1820
356565 (urn:lsid:marinespecies.org:taxname:356565)
alternative representation
Cyclops viridis viridis Jurine, 1820 accepted as Megacyclops viridis (Jurine, 1820) represented as Megacyclops viridis viridis (Jurine, 1820)
Species
Cyclops serratus Pratz, 1866 · uncertain > nomen dubium (Based on the description and...)
Based on the description and drawings, Cyclops serratus might perhaps be a Megacyclops. Yet even the generic identity is uncertain see the P5 in Fig. 42, which differs from the morphology typical in Megacyclops. Anyway, the very short caudal rami and P4
Cyclops uniangulatus Cragin, 1883 · unaccepted
- Subspecies Cyclops viridis acutulus Kiefer, 1930
- Subspecies Cyclops viridis europaeus Herrick, 1895
- Subspecies Cyclops viridis ochridensis Herbst, 1957
- Subspecies Cyclops viridis americanus Marsh, 1893 accepted as Acanthocyclops americanus (Marsh, 1893) represented as Acanthocyclops americanus americanus (Marsh, 1893)
- Subspecies Cyclops viridis brevispinosus Herrick, 1884 accepted as Cyclops robustus Sars G.O., 1863 accepted as Acanthocyclops robustus (Sars G.O., 1863) represented as Acanthocyclops robustus robustus (Sars G.O., 1863)
- Subspecies Cyclops viridis gigas Claus, 1857 accepted as Megacyclops gigas (Claus, 1857) represented as Megacyclops gigas gigas (Claus, 1857)
- Subspecies Cyclops viridis ingens Herrick, 1882 accepted as Megacyclops gigas (Claus, 1857) represented as Megacyclops gigas gigas (Claus, 1857)
- Subspecies Cyclops viridis viridis Jurine, 1820 accepted as Megacyclops viridis (Jurine, 1820) represented as Megacyclops viridis viridis (Jurine, 1820)
- Subspecies Cyclops viridis insectus Forbes S.A., 1882 represented as Cyclops insectus Forbes S.A., 1882 accepted as Acanthocyclops insectus (Forbes S.A., 1882)
Jurine, L. (1820). Histoire des Monocles, qui se trouvent aux environs de Genève. [History of the Monocles, which are found around Geneva.]. <em>Genève & Paris.</em> 258 pp, pls. 1-22. (Partial copy.). [details] 
Walter, T.C.; Boxshall, G. (2025). World of Copepods Database. Cyclops viridis Jurine, 1820. Accessed at: https://www.marinespecies.org/copepoda/aphia.php?p=taxdetails&id=356565 on 2026-02-09
Date
action
by
original description
Jurine, L. (1820). Histoire des Monocles, qui se trouvent aux environs de Genève. [History of the Monocles, which are found around Geneva.]. <em>Genève & Paris.</em> 258 pp, pls. 1-22. (Partial copy.). [details]
additional source Stephensen, K. (1917). Zoogeographical investigation of certain fjords in southern Greenland, with special reference to Crustacea, Pycnogonida and Echinodermata including a list of Alcyonaria and Pisces. <em>Meddelelser om Grønland.</em> 53:229-378 ( for 1916)., available online at http://biodiversitylibrary.org/page/37012145 [details]
additional source Brady, G. S. (1892). A revision of the British species of freshwater Cyclopoidae and Calanidae. <em>Transactions of the Natural History Society of Northumberland.</em> 11:68-120, fig. 1, pls. 1-14. [for 1891]. [details]
additional source Breemen, P.J. van. (1907). Vrijlevende zoetwater-Copepoden van Nederland. [Free-living freshwater copepods of the Netherlands.]. <em>Tijdschrift der Nederlandsche Dierkundige Vereeniging (A.</em> (2)10(3):303-368, pls. 6-7. [details]
additional source Chambers, R., Jr. (1912). A discussion of Cyclops viridis Jurine. Biological Bulletin, Woods Hole 22:291-296, figs. 1-2. (iv-1912) [details]
additional source Coker, R.E. (1938). A copepod 'Intersex'. <em>Travaux de la Station Zoologique de Wimereux.</em> 13:97-100, figs. 1-7. [details] Available for editors
[request]
additional source Cragin, F.W. (1883). A contribution to the history of the fresh water Copepoda. Transactions of the Kansas Academy of Science 8:66-81, pls. 1-4. [details]
additional source Daday, E. (1882). Adatok Kolozsvár és környéke Crustacea- faunájának ismeretéhez. (Données sur la faune de Crustacés de Kolozsvár et ses environs). [Information on the Crustacea fauna of Cluj and its surroundings.]. <em>Orvos Természettudomanyi Értesitoe Kolozsvár, Budapest.</em> (2)7: 211-258. (Hungarian).
page(s): 217-218 [details]
additional source Daday, E. (1885). A Magyarországban eddig talált szabadon élö evezölábá rákok magánrajza. Monographia Eucopepodorum liberorum in Hungariae hucusque repertorum. [A monograph of the Eucopepods found so far in Hungary.]. <em>Mathematikai és Természettudoman Közlemények, Vonatkozolag a hazai Viszonyokra, Budapest.</em> 19:117-311, pls. 1-4.
page(s): 214 [details]
additional source Forbes, E.B. (1897). A contribution to a knowledge of North American freshwater Cyclopidae. Bulletin of the Illinois State Laboratory of Natural History 5(2):27-83, pls. 8-20. [details]
additional source Franke, U. (1989). Katalog zur Sammlung limnischer Copepoden von Prof. Dr. Friedrich Kiefer (Mit einem Gesamtverzeichnis seiner Publikationen). [Catolog of the freshwater copepods of Dr. Friedrich Kiefer.]. <em>Carolinea Beiheft, Karlsrühe.</em> 5:1-433, figs. 1-2.
note: Catalog vial number(s): 4173 [details] Available for editors [request]
additional source Fuchs, K. (1914). Die Keimblätterentwicklung von Cyclops viridus Jurine. [The cotyledon development of Cyclops viridis Jurine.]. <em>Zoologische Jahrbücher, Abteilung für Anatomie.</em> 38:103-156, figs. 1-6, pls. 7-9. (30-v-1914). [details]
additional source Herrick, C.L. (1895). Part I. Copepoda of Minnesota. <em>In: Herrick, C.L. & C.H. Turner (eds.). Second report of the State Zoologist including a synopsis of the Entomostraca of Minnesota. Geological Natural History Survery of Minnesota (Zoological Series.).</em> 2:41-138, 81 plates. [details]
additional source Heberer, G. (1951). Positive Karyotaxis in den Ovidukten von Cyclops viridis J. Zoologischer Anzeiger 146(9-10):314-325, figs. 1-10. (v-1951) [details] Available for editors [request]
additional source Jacobs, M. (1925). Entwicklungsphysiologische Untersuchungen am Copepodenei (Cyclops viridis Jurine). [Developmental physiological studies on the copepod egg (Cyclops viridis Jurine).]. <em>Zeitschrift für Wissenschaftliche Zoologie.</em> 124(3/4):487-541, figs. 1-42. (23-v-1925). [details] Available for editors [request]
additional source Lande, A. (1890). Materyjaly do fauny skorupiaków widlonogick (Copepoda) Królestwas polskiego. Widlonogi swobadne zyjace. I Rodzina Cyklopy (Cyclopidae). [Material for the Fauna of the Crustacean Copepods (Copepoda) of the Kingdom of Poland. Free-Living Copepods. I. Family Cyclops (Cyclopidae).]. <em>Pamiętnik Fizyjograficzny, Physiographic Memoirs.</em> 10:305-397, figs. 1-2, pls. 15-21. [in Polish]. [details]
additional source Lucks, R. (1926). Zur Entwickelungsgeschichte des Cyclops viridis, Jurine und seiner Stellung zum Cyclops clausii Heller. [On the evolutionary history of Cyclops viridis, Jurine and its relationship to Cyclops clausii Heller.]. <em>Schriften der Naturforschenden Gesellschaft zu Danzig.</em> 17(4): 128-169, figs. 1-62. [details] Available for editors [request]
additional source Marsh, C.D. (1910). A revision of the North American species of Cyclops. <em>Transactions of the Wisconsin Academy of Sciences, Arts, and Letters.</em> 16(2)3:1067-1135, pls. 72-81. (completed vol.16 is dated 1910). [details]
additional source Lilljeborg, W. (1901). Synopsis specierum huc usque in Suecia observatarum generis Cyclopis, sive Bidrag till en Öfversigt af de inom Sverige iakttagna Arterna af Slägtet Cyclops. Kungliga Svenska Vetensk-Akademiens Handlingar, New Series 35(4):1-118, pls. 1-6. [details]
additional source Lindberg, K. (1941). Cyclopides (Crustacés Copépodes) de l'Inde. VI-VII. Records of the Indian Museum, Calcutta 43(4):395-409, figs. 1-7. (19-xii-1941) [details] Available for editors [request]
additional source Nadort, W. (1943). Amsterdam's planktoncrustacea in het jaar 1941. [Amsterdam's crustacean plankton in the year 1941.]. <em>Levende Natuur.</em> 48(4):45-51, figs. (1-3). (viii-1943). [details] Available for editors [request]
additional source Rüsch, M.E. (1958). Weibliche Heterogametie bei Cyclops viridis Jurine. [Female heterogamety in Cyclops viridis Jurine.]. <em>Naturwissenschaften.</em> 45:69, figs. 1-4. (ii-1958). [details]
additional source Scheffelt, E. (1925). Cyclops viridis, Kleine Mitteilungen. [Cyclops viridis, Small Communications.]. <em>Mikrokosmos.</em> 19:231-232. [details]
additional source Pine, R.L. (1934). Metamorphosis of Cyclops viridis. Transactions of the American Microscopical Society 53:286-292, pl. 30. (vii-1934) [details] Available for editors [request]
additional source Reuter-Schiltz, I. & J. Hoffmann. (1970). Faune des Cyclopoida du Grand-Duché de Luxembourg. [Fauna of Cyclopoida of the Grand Duchy of Luxembourg.]. <em>Archives de l'Institut Grand-Ducal de Luxembourg, Section des Sciences, Naturelles, Physiques et Mathematiques.</em> n. ser. 34: 207-249, figs. 1-54. [details] Available for editors [request]
additional source Røen, U. (1957). Contributions to the biology of some Danish freeliving freshwater copepods. <em>Biologiya Skrifter Dan. Vid. Selsk.</em> 9(2):1-101, figs. 1-23. (13-xii-1957). [details] Available for editors [request]
additional source Steuer, A. (1896). Bemerkungen über die männlichen Geschlechtsorgane von Cyclops viridis und anderen Copepoden. [Remarks on the male sexual organs of Cyclops viridis and other copepods.]. <em>Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien.</em> 46:242-254, pl. 5. [details]
additional source Stich, H. (1950). Histochemische Untersuchungen Frühembryonaler Sonderungsprozesse normaler und zentrifugierter Eier von Cyclops viridis J. [Histochemical investigations of early embryonic segregation processes in normal and centrifuged eggs of Cyclops viridis]. <em>Archiv für Mikroskopische Anatomie und Entwicklungsmechanik.</em> 144(3):364-380, figs. 1-11., available online at https://doi.org/10.1007/BF00576340. [details] Available for editors [request]
additional source Stich, H. (1950). Karyologische Untersuchungen an zentrifugierten Keimen von Cyclops viridis Jur. [Karyological investigations on centrifuged germs of Cyclops viridis Jur.]. <em>Biologisches Zentralblatt, Leipzig.</em> 69(5-6):197-209, figs. 1-20. [details] Available for editors [request]
additional source Stich, H. (1949). Die Nucleinsäuren bei der ooplasmatischen Segregation von Cyclops viridis Jur. [The nucleic acids in the ooplasmic segregation of Cyclops viridis Jur.]. <em>Verhandlungen der Deutschen Zoologischen Gesellschaft (= Zoologischer Anzeiger, Supplementband 14).</em> 1949:120-125, figs. 1-3. [details] Available for editors [request]
additional source Thiébaud, M. (1953). Les Entomostracés de la Vieille-Thièle à Meienried et des environs de Bienne. [The Entomostraca of Vieille-Thièle in Meienried and the surroundings of Bienne.]. <em>Revue Suisse de Zoologie.</em> 60:567-614, figs. 1-53. (xii-1953). [details] Available for editors [request]
additional source Ziegelmayer, W. (1926). Einige biologische Notizen zu Cyclops viridis Jurine bezw. Cyclops vulgaris Koch. [Some biological notes on Cyclops viridis Jurine and Cyclops vulgaris Koch.]. <em>Biologisches Zentralblatt, Leipzig.</em> 43:1-8. [details]
additional source Fule, U.W., S.S. Nimghare, P.M. Telkhade, S.B. Zade & N.R. Dahegaonkar. (2009). A preliminary study on zooplankton diversity in Nal Damayanti (Simbhora) Dam, Morshi, Amravati. <em>Environment Conservation Journal.</em> 10(3):41-44. [details] Available for editors [request]
additional source Wilson, C.B. (1932). The copepods of the Woods Hole region, Massachusetts. <em>Bulletin of the United States National Museum.</em> 158:1-635, figs. 1-316, pls. 1-41. [details] Available for editors [request]
additional source Brian, A. (1926). Di alcuni copepodi d'acqua dolce dell'Argentina raccolti dal l Prof. F. Silvestri. [Of some freshwater copepods from Argentina collected by Prof. F. Silvestri.]. <em>Memorie della Società Entomologica Italiana,.</em> 4(2):177-200, figs. 1-24. (28-ix-1926). [for 1925]. [details] Available for editors [request]
additional source Metzler, S. (1957). Über die Beeinflussbarkeit des Geschlechtsverhältnisses von Cyclops viridis Jurine durch Aufsenfaktoren. [On the influence of external factors on the sex ratio of Cyclops viridis Jurine.]. <em>Zoologische Jahrbücher, Abteilung für Allgemeine Zoologie, Zoologischen Institut der Universität München.</em> 67(1):81-110, figs. 1-3, tabs. 1-34. (7-iii-1957). [details] Available for editors [request]
additional source Stephensen, K. (1917). Zoogeographical investigation of certain fjords in southern Greenland, with special reference to Crustacea, Pycnogonida and Echinodermata including a list of Alcyonaria and Pisces. <em>Meddelelser om Grønland.</em> 53:229-378 ( for 1916)., available online at http://biodiversitylibrary.org/page/37012145 [details]
additional source Brady, G. S. (1892). A revision of the British species of freshwater Cyclopoidae and Calanidae. <em>Transactions of the Natural History Society of Northumberland.</em> 11:68-120, fig. 1, pls. 1-14. [for 1891]. [details]
additional source Breemen, P.J. van. (1907). Vrijlevende zoetwater-Copepoden van Nederland. [Free-living freshwater copepods of the Netherlands.]. <em>Tijdschrift der Nederlandsche Dierkundige Vereeniging (A.</em> (2)10(3):303-368, pls. 6-7. [details]
additional source Chambers, R., Jr. (1912). A discussion of Cyclops viridis Jurine. Biological Bulletin, Woods Hole 22:291-296, figs. 1-2. (iv-1912) [details]
additional source Coker, R.E. (1938). A copepod 'Intersex'. <em>Travaux de la Station Zoologique de Wimereux.</em> 13:97-100, figs. 1-7. [details] Available for editors
[request]additional source Cragin, F.W. (1883). A contribution to the history of the fresh water Copepoda. Transactions of the Kansas Academy of Science 8:66-81, pls. 1-4. [details]
additional source Daday, E. (1882). Adatok Kolozsvár és környéke Crustacea- faunájának ismeretéhez. (Données sur la faune de Crustacés de Kolozsvár et ses environs). [Information on the Crustacea fauna of Cluj and its surroundings.]. <em>Orvos Természettudomanyi Értesitoe Kolozsvár, Budapest.</em> (2)7: 211-258. (Hungarian).
page(s): 217-218 [details]
additional source Daday, E. (1885). A Magyarországban eddig talált szabadon élö evezölábá rákok magánrajza. Monographia Eucopepodorum liberorum in Hungariae hucusque repertorum. [A monograph of the Eucopepods found so far in Hungary.]. <em>Mathematikai és Természettudoman Közlemények, Vonatkozolag a hazai Viszonyokra, Budapest.</em> 19:117-311, pls. 1-4.
page(s): 214 [details]
additional source Forbes, E.B. (1897). A contribution to a knowledge of North American freshwater Cyclopidae. Bulletin of the Illinois State Laboratory of Natural History 5(2):27-83, pls. 8-20. [details]
additional source Franke, U. (1989). Katalog zur Sammlung limnischer Copepoden von Prof. Dr. Friedrich Kiefer (Mit einem Gesamtverzeichnis seiner Publikationen). [Catolog of the freshwater copepods of Dr. Friedrich Kiefer.]. <em>Carolinea Beiheft, Karlsrühe.</em> 5:1-433, figs. 1-2.
note: Catalog vial number(s): 4173 [details] Available for editors
[request]additional source Fuchs, K. (1914). Die Keimblätterentwicklung von Cyclops viridus Jurine. [The cotyledon development of Cyclops viridis Jurine.]. <em>Zoologische Jahrbücher, Abteilung für Anatomie.</em> 38:103-156, figs. 1-6, pls. 7-9. (30-v-1914). [details]
additional source Herrick, C.L. (1895). Part I. Copepoda of Minnesota. <em>In: Herrick, C.L. & C.H. Turner (eds.). Second report of the State Zoologist including a synopsis of the Entomostraca of Minnesota. Geological Natural History Survery of Minnesota (Zoological Series.).</em> 2:41-138, 81 plates. [details]
additional source Heberer, G. (1951). Positive Karyotaxis in den Ovidukten von Cyclops viridis J. Zoologischer Anzeiger 146(9-10):314-325, figs. 1-10. (v-1951) [details] Available for editors
[request]additional source Jacobs, M. (1925). Entwicklungsphysiologische Untersuchungen am Copepodenei (Cyclops viridis Jurine). [Developmental physiological studies on the copepod egg (Cyclops viridis Jurine).]. <em>Zeitschrift für Wissenschaftliche Zoologie.</em> 124(3/4):487-541, figs. 1-42. (23-v-1925). [details] Available for editors
[request]additional source Lande, A. (1890). Materyjaly do fauny skorupiaków widlonogick (Copepoda) Królestwas polskiego. Widlonogi swobadne zyjace. I Rodzina Cyklopy (Cyclopidae). [Material for the Fauna of the Crustacean Copepods (Copepoda) of the Kingdom of Poland. Free-Living Copepods. I. Family Cyclops (Cyclopidae).]. <em>Pamiętnik Fizyjograficzny, Physiographic Memoirs.</em> 10:305-397, figs. 1-2, pls. 15-21. [in Polish]. [details]
additional source Lucks, R. (1926). Zur Entwickelungsgeschichte des Cyclops viridis, Jurine und seiner Stellung zum Cyclops clausii Heller. [On the evolutionary history of Cyclops viridis, Jurine and its relationship to Cyclops clausii Heller.]. <em>Schriften der Naturforschenden Gesellschaft zu Danzig.</em> 17(4): 128-169, figs. 1-62. [details] Available for editors
[request]additional source Marsh, C.D. (1910). A revision of the North American species of Cyclops. <em>Transactions of the Wisconsin Academy of Sciences, Arts, and Letters.</em> 16(2)3:1067-1135, pls. 72-81. (completed vol.16 is dated 1910). [details]
additional source Lilljeborg, W. (1901). Synopsis specierum huc usque in Suecia observatarum generis Cyclopis, sive Bidrag till en Öfversigt af de inom Sverige iakttagna Arterna af Slägtet Cyclops. Kungliga Svenska Vetensk-Akademiens Handlingar, New Series 35(4):1-118, pls. 1-6. [details]
additional source Lindberg, K. (1941). Cyclopides (Crustacés Copépodes) de l'Inde. VI-VII. Records of the Indian Museum, Calcutta 43(4):395-409, figs. 1-7. (19-xii-1941) [details] Available for editors
[request]additional source Nadort, W. (1943). Amsterdam's planktoncrustacea in het jaar 1941. [Amsterdam's crustacean plankton in the year 1941.]. <em>Levende Natuur.</em> 48(4):45-51, figs. (1-3). (viii-1943). [details] Available for editors
[request]additional source Rüsch, M.E. (1958). Weibliche Heterogametie bei Cyclops viridis Jurine. [Female heterogamety in Cyclops viridis Jurine.]. <em>Naturwissenschaften.</em> 45:69, figs. 1-4. (ii-1958). [details]
additional source Scheffelt, E. (1925). Cyclops viridis, Kleine Mitteilungen. [Cyclops viridis, Small Communications.]. <em>Mikrokosmos.</em> 19:231-232. [details]
additional source Pine, R.L. (1934). Metamorphosis of Cyclops viridis. Transactions of the American Microscopical Society 53:286-292, pl. 30. (vii-1934) [details] Available for editors
[request]additional source Reuter-Schiltz, I. & J. Hoffmann. (1970). Faune des Cyclopoida du Grand-Duché de Luxembourg. [Fauna of Cyclopoida of the Grand Duchy of Luxembourg.]. <em>Archives de l'Institut Grand-Ducal de Luxembourg, Section des Sciences, Naturelles, Physiques et Mathematiques.</em> n. ser. 34: 207-249, figs. 1-54. [details] Available for editors
[request]additional source Røen, U. (1957). Contributions to the biology of some Danish freeliving freshwater copepods. <em>Biologiya Skrifter Dan. Vid. Selsk.</em> 9(2):1-101, figs. 1-23. (13-xii-1957). [details] Available for editors
[request]additional source Steuer, A. (1896). Bemerkungen über die männlichen Geschlechtsorgane von Cyclops viridis und anderen Copepoden. [Remarks on the male sexual organs of Cyclops viridis and other copepods.]. <em>Verhandlungen der Zoologisch-Botanischen Gesellschaft in Wien.</em> 46:242-254, pl. 5. [details]
additional source Stich, H. (1950). Histochemische Untersuchungen Frühembryonaler Sonderungsprozesse normaler und zentrifugierter Eier von Cyclops viridis J. [Histochemical investigations of early embryonic segregation processes in normal and centrifuged eggs of Cyclops viridis]. <em>Archiv für Mikroskopische Anatomie und Entwicklungsmechanik.</em> 144(3):364-380, figs. 1-11., available online at https://doi.org/10.1007/BF00576340. [details] Available for editors
[request]additional source Stich, H. (1950). Karyologische Untersuchungen an zentrifugierten Keimen von Cyclops viridis Jur. [Karyological investigations on centrifuged germs of Cyclops viridis Jur.]. <em>Biologisches Zentralblatt, Leipzig.</em> 69(5-6):197-209, figs. 1-20. [details] Available for editors
[request]additional source Stich, H. (1949). Die Nucleinsäuren bei der ooplasmatischen Segregation von Cyclops viridis Jur. [The nucleic acids in the ooplasmic segregation of Cyclops viridis Jur.]. <em>Verhandlungen der Deutschen Zoologischen Gesellschaft (= Zoologischer Anzeiger, Supplementband 14).</em> 1949:120-125, figs. 1-3. [details] Available for editors
[request]additional source Thiébaud, M. (1953). Les Entomostracés de la Vieille-Thièle à Meienried et des environs de Bienne. [The Entomostraca of Vieille-Thièle in Meienried and the surroundings of Bienne.]. <em>Revue Suisse de Zoologie.</em> 60:567-614, figs. 1-53. (xii-1953). [details] Available for editors
[request]additional source Ziegelmayer, W. (1926). Einige biologische Notizen zu Cyclops viridis Jurine bezw. Cyclops vulgaris Koch. [Some biological notes on Cyclops viridis Jurine and Cyclops vulgaris Koch.]. <em>Biologisches Zentralblatt, Leipzig.</em> 43:1-8. [details]
additional source Fule, U.W., S.S. Nimghare, P.M. Telkhade, S.B. Zade & N.R. Dahegaonkar. (2009). A preliminary study on zooplankton diversity in Nal Damayanti (Simbhora) Dam, Morshi, Amravati. <em>Environment Conservation Journal.</em> 10(3):41-44. [details] Available for editors
[request]additional source Wilson, C.B. (1932). The copepods of the Woods Hole region, Massachusetts. <em>Bulletin of the United States National Museum.</em> 158:1-635, figs. 1-316, pls. 1-41. [details] Available for editors
[request]additional source Brian, A. (1926). Di alcuni copepodi d'acqua dolce dell'Argentina raccolti dal l Prof. F. Silvestri. [Of some freshwater copepods from Argentina collected by Prof. F. Silvestri.]. <em>Memorie della Società Entomologica Italiana,.</em> 4(2):177-200, figs. 1-24. (28-ix-1926). [for 1925]. [details] Available for editors
[request]additional source Metzler, S. (1957). Über die Beeinflussbarkeit des Geschlechtsverhältnisses von Cyclops viridis Jurine durch Aufsenfaktoren. [On the influence of external factors on the sex ratio of Cyclops viridis Jurine.]. <em>Zoologische Jahrbücher, Abteilung für Allgemeine Zoologie, Zoologischen Institut der Universität München.</em> 67(1):81-110, figs. 1-3, tabs. 1-34. (7-iii-1957). [details] Available for editors
[request]