Ptychogena crocea Kramp & Dumas, 1925

Peter Schuchert, Aino Hosia & Lucas Leclère, 2017, Identification of the polyp stage of three leptomedusa species using DNA barcoding, Revue suisse de Zoologie 124 (1), pp. 167-182 : 177

publication ID	https://doi.org/10.5281/zenodo.322675
DOI	https://doi.org/10.5281/zenodo.5629175
persistent identifier	https://treatment.plazi.org/id/03E67851-FF89-FFE5-32F9-FC37E1F76A60
treatment provided by	Plazi (2017-10-24 06:15:30, last updated 2024-11-27 10:35:51)
scientific name	Ptychogena crocea Kramp & Dumas, 1925
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Ptychogena crocea Kramp & Dumas, 1925 View in CoL

Figs 3-4 View Fig. 3 View Fig. 4

Ptychogona crocea Kramp & Dumas, 1925: 290 , pl. 1 figs 1-7. ‒ Kramp, 1933: 558, fig. 21. ‒ Russell, 1940: 519, figs 18-19, nematocysts. – Rees, 1952: 8, record Bergen, Norway. – Kramp, 1959: 137, fig. 158. – Kramp, 1961: 146. ‒ Hosia & Båmstedt, 2007: 116, records Norway, Kors- and Fanafjord.

? Ptychogona crocea . ‒ Léon et al., 2007: 57, record Cape Verde Islands.

in part Lafoea plicatilis M. Sars, 1863: 31 .

? in part Stegopoma plicatile . – Kramp, 1913: 15, figs 1-2. – Broch, 1918: 26, fig. 8. – Edwards, 1973: 590. – Cornelius, 1995: 114, fig. 25. – Schuchert, 2001: 51, fig. 37A-E.

Type locality: Norway, Romsdal, deep waters of Moldefjord.

References: For the medusa Kramp & Dumas (1925), for the hydroid Cornelius (1995) and Schuchert (2001).

References

Broch H. 1918. Hydroida. (Part II). The Danish Ingolf Expedition 5 (7): 1 - 206.

Cornelius P. F. S. 1995. North-west European thecate hydroids and their medusae. Part 1. Introduction, Laodiceidae to Haleciidae. Synopses of the British Fauna New Series 50 (1): 1 - 347.

Edwards C. 1973. The medusa Modeeria rotunda and its hydroid Stegopoma fastigiatum, with a review of Stegopoma and Stegolaria. Journal of the Marine Biological Association of the United Kingdom 53 (3): 573 - 600.

Hosia A., Bamstedt U. 2007. Seasonal changes in the gelatinous zooplankton community and hydromedusa abundances in Korsfjord and Fanafjord, western Norway. Marine Ecology Progress Series 351: 113 - 127.

Kramp P. L. 1913. Hydroids collected by the Tjalfe expedition to the west coast of Greenland in 1908 and 1909. Videnskabelige Meddelelser fra Dansk naturhistorisk Forening i KObenhavn 66: 1 - 36.

Kramp P. L., Damas D. 1925. Les meduses de la Norvege. Introduction et partie speciale. Videnskabelige meddelelser fra Dansk naturhistorik Forening 80: 217 - 323.

Kramp P. L. 1933. XII Craspedote Medusen III. In: Brandt K. & Apstein C. (Eds), Nordisches Plankton, Lipsius & Tischer, Kiel, Lieferung 22: 541 - 602.

Kramp P. L. 1959. The Hydromedusae of the Atlantic Ocean and adjacent waters. Dana Report 46: 1 - 283.

Kramp P. L. 1961. Synopsis of the medusae of the world. Journal of the Marine Biological Association of the United Kingdom 40: 1 - 469.

Leon M. E., Hernandez F., De Vera A. 2007. Nota sobre Ptychogena crocea Kramp & Damas, 1925 en aguas de Cabo Verde (Laodiceidae: Leptomedusae: Cnidaria). Vieraea 35: 57 - 60.

Rees W. J. 1952. Records of hydroids and medusae taken at Herdla, Bergen in 1937. Naturvidenskabelige Raekke, Arbok Universitet i Bergen 16: 1 - 8, tab. 1.

Russell F. S. 1940. On the nematocysts of Hydromedusae III. Journal of the Marine Biological Association of the United Kingdom 24: 515 - 523.

Sars M. 1863. Bemaerkninger over fire norske Hydroider. Forhandlinger i Videnskabs-selskabet i Christiania 1862: 25 - 39.

Schuchert P. 2001. Hydroids of Greenland and Iceland (Cnidaria, Hydrozoa). Meddelelser om GrOnland, Bioscience 53: 1 - 184.

Figures

Fig. 3. Ptychogena crocea Kramp & Dumas, 1925, living medusae, except C, from Korsfjord, Norway. (A) MHNG-INVE- 94101, lateral view, bell diameter 23 mm height 14 mm. (B) Same specimen as in A, close up of gonads. (C) Same specimen as in A, nematocysts. (D) Younger individual, used to obtain DNA isolate 1163. (E) Same as D, close up of bell margin seen from oral side, showing tentacles, tentacle stumps and several cordyli.

Fig. 4. Stegopoma plicatile (M. Sars, 1863), preserved sample MHNG-INVE- 69614 (yielding DNA isolate 803) from Korsfjord, Norway, 650 m. (A) Whole colony. (B) Hydrotheca. (C) Branch with gonotheca (arrow). ►