Ptychogena lactea A. Agassiz 1865
Ptychogena lactea A. Agassiz, 1865 Fig. 5 Ptychogena lactea A. Agassiz, 1865: 137, figs 220-224. ‒ Mayer, 1910: 215, fig. 109. ‒ Kramp, 1919: 31, pl. 3. ‒ Kramp, 1959a: 137, fig. 157. ‒ Kramp, 1961: 146. – Kramp, 1968: 67, fig. 175. – in part Naumov, 1969: 321, figs 90, not hydroid. – Arai & Bri...
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DataCite Metadata Store (German National Library of Science and Technology) |
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topic |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Laodiceidae Ptychogena Ptychogena lactea |
spellingShingle |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Laodiceidae Ptychogena Ptychogena lactea Schuchert, Peter Ptychogena lactea A. Agassiz 1865 |
topic_facet |
Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Laodiceidae Ptychogena Ptychogena lactea |
description |
Ptychogena lactea A. Agassiz, 1865 Fig. 5 Ptychogena lactea A. Agassiz, 1865: 137, figs 220-224. ‒ Mayer, 1910: 215, fig. 109. ‒ Kramp, 1919: 31, pl. 3. ‒ Kramp, 1959a: 137, fig. 157. ‒ Kramp, 1961: 146. – Kramp, 1968: 67, fig. 175. – in part Naumov, 1969: 321, figs 90, not hydroid. – Arai & Brinckmann-Voss, 1980: 83, fig. 46. ‒ Miyake et al. , 2004: 40, fig. 5. Ptychogena pinnulata Haeckel, 1879: 148. ‒ Haeckel, 1882: 7, pl. 2. ‒ Mayer, 1910: 215, synonym. ‒ Kramp, 1955a: 157. Ptychogena pinnulata var. intermedia Linko, 1905: 217. not Ptychogena lactea . – Calder, 1970: 1512, pl. 3 fig. 1, hy- droid. Material examined: MHNG-INVE-82311; 1 subadult specimen, 20 mm diameter, formalin preserved; Canada, British Columbia, Vancouver Island, 49.36667°N 124.08517°W, depth 0-238 m; date collected 15.06.2012; leg. Moria Galbraith. Diagnosis: Umbrella in mature animals 15-70 mm in diameter, but exceptionally up to 90 mm wide and 30 mm high, bell hemispherical to flatter than a hemisphere (depending on size, state of contraction and health). Jelly thick, apical jelly about one third of bell height. Stomach relatively large, prismatic, attached to sububrella via cross-shaped base, mouth wide, irregular, rim in folds. Four radial canals, relatively thick, in proximal half connected to stomach via a funnel-shaped, laterally compressed, mesentery-like basal outgrowth of the manubrium. On both sides of each radial canal up to 30 relatively thin, transverse lamellar folds, their upper end connected to subumbrella. The lamellar folds also present distal to the perradial basal outgrowths of the manubrium. Gonads covering lamellar folds. Large animals with papillae along edges of lamellar folds and some folds branched. Bell margin with 70-300 (max. 500) tentacles, no marginal warts or rudimentary tentacles. Between pairs of tentacles 1-3 club-shaped cordyli attached to bell margin. Colour: gonads, radial canals, and tentacles characteristic milk-white (but also with a peachy or greenish tint, Schuchert et al ., 2017). Hydroid unknown (Schuchert et al. , 2017). Distribution: A predominantly Arctic species that penetrates into Boreal zones of the Atlantic and Pacific Oceans. Its southern limits in the Atlantic Ocean are Cape Cod and the Faroe-Shetland Channel, in the Pacific Ocean northern Japan and British Columbia. Often collected at depths of over 250 m but may be found near the surface where the water is very cold (Arai & Brinckmann-Voss, 1980; Fraser, 1974). Type locality: Nahant, Massachusetts Bay, USA, Atlantic Ocean. : Published as part of Peter Schuchert, 2017, Systematic notes on some leptomedusa species with a description of Neotima galeai n. spec. (Hydrozoa, Cnidaria), pp. 351-375 in Revue suisse de Zoologie 124 (2) on page 357, DOI: 10.5281/zenodo.893549 : {"references": ["Agassiz A. 1865. North American Acalephae. Illustrated Catalogue of the Museum of Comparative Zoology at Harvard College 2: 1 - 234. http: // dx. doi. org / 10.5962 / bhl. title. 1837", "Mayer A. G. 1910. Medusae of the world. Hydromedusae, Vols. I & II. Scyphomedusae, Vol III. Carnegie Institution, Washington, 735 pp., plates 1 - 76. http: // dx. doi. org / 10.5962 / bhl. title. 5996", "Kramp P. L. 1919. Medusae. Pt. 1. Leptomedusae. Danish Ingolf Expedition 5 (8): 1 - 111, pls 1 - 5.", "Kramp P. L. 1959 a. 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.", "Kramp P. L. 1968. The hydromedusae of the Pacific and Indian Oceans. Sections II and III. Dana Report 72: 1 - 200.", "Naumov D. V. 1969. Hydroids and Hydromedusae of the USSR. Israel Program for scientific translation, Jerusalem, 463 pp., 30 plates.", "Arai M. N., Brinkmann-Voss A. 1980. Hydromedusae of British Columbia and Puget Sound. Canadian Bulletin of Fisheries and Aquatic Sciences 204: 1 - 192.", "Miyake H., Lindsay D. J., Kubota S. 2004. Midwater and bentho-pelagic animals on the south slope of Shiribeshi Seamount off the west coast of Hokkaido. JAMSTEC Journal of Deep Sea Research 24: 37 - 42.", "Haeckel E. 1879. Das System der Medusen. Erster Teil einer Monographie der Medusen. Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena 1: XX + 1 - 360, 20 plates. http: // dx. doi. org / 10.5962 / bhl. title. 46856", "Haeckel E. 1882. Report on the deep-sea medusae, dredged by H. M. S. Challenger during the years 1873 - 1876. Report on the Scientific Results of the Voyage of H. M. S. Challenger, Zoology 4: 1 - 154, pls 1 - 32. https: // dx. doi. org / 10.5962 / bhl. title. 6513", "Kramp P. L. 1955 a. A revision of Ernst Haeckel's determinations of a collection of Medusae belonging to the Zoological Museum of Copenhagen. In: Papers in marine Biology and Oceanography. H. B. Bigelow Commemoration Volume. Deep Sea Research 3: 149 - 168.", "Linko A. 1905. Zoologische Studien im Barents-Meere. Auf Grund der Untersuchungen der wissenschaftlichen Murman-Expedition. Zoologischer Anzeiger 28 (6): 210 - 220.", "Calder D. R. 1970. Thecate hydroids from the shelf waters of northern Canada. Journal of the Fisheries Research Board of Canada 27 (9): 1501 - 1547.", "Schuchert P., Hosia A., Leclere L. 2017. Identification of the polyp stage of three leptomedusa species using DNA barcoding. Revue suisse de Zoologie 124 (1): 167 - 182. https: // dx. doi. org / 10.5281 / zenodo. 322675", "Fraser J. H. 1974. The distribution of medusae in the Scottish area. Proceedings of the Royal Society of Edinburgh 74: 1 - 25."]} |
format |
Text |
author |
Schuchert, Peter |
author_facet |
Schuchert, Peter |
author_sort |
Schuchert, Peter |
title |
Ptychogena lactea A. Agassiz 1865 |
title_short |
Ptychogena lactea A. Agassiz 1865 |
title_full |
Ptychogena lactea A. Agassiz 1865 |
title_fullStr |
Ptychogena lactea A. Agassiz 1865 |
title_full_unstemmed |
Ptychogena lactea A. Agassiz 1865 |
title_sort |
ptychogena lactea a. agassiz 1865 |
publisher |
Zenodo |
publishDate |
2017 |
url |
https://dx.doi.org/10.5281/zenodo.6043825 https://zenodo.org/record/6043825 |
long_lat |
ENVELOPE(-125.003,-125.003,54.000,54.000) |
geographic |
Arctic Canada Pacific Indian British Columbia |
geographic_facet |
Arctic Canada Pacific Indian British Columbia |
genre |
Arctic |
genre_facet |
Arctic |
op_relation |
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Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess |
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ftdatacite:10.5281/zenodo.6043825 2023-05-15T15:20:30+02:00 Ptychogena lactea A. Agassiz 1865 Schuchert, Peter 2017 https://dx.doi.org/10.5281/zenodo.6043825 https://zenodo.org/record/6043825 unknown Zenodo http://publication.plazi.org/id/DB1FFFB2CF5FE21FFF88FFFEFC0CFFF6 https://zenodo.org/communities/biosyslit https://dx.doi.org/10.5281/zenodo.893549 http://publication.plazi.org/id/DB1FFFB2CF5FE21FFF88FFFEFC0CFFF6 https://dx.doi.org/10.5962/bhl.title.1837 https://dx.doi.org/10.5962/bhl.title.5996 https://dx.doi.org/10.5962/bhl. https://dx.doi.org/10.5962/bhl.title.6513 https://dx.doi.org/10.5281/zenodo.322675 https://dx.doi.org/10.5281/zenodo.1013282 https://dx.doi.org/10.5281/zenodo.6043824 https://zenodo.org/communities/biosyslit Open Access Creative Commons Zero v1.0 Universal https://creativecommons.org/publicdomain/zero/1.0/legalcode cc0-1.0 info:eu-repo/semantics/openAccess CC0 Biodiversity Taxonomy Animalia Cnidaria Hydrozoa Leptothecata Laodiceidae Ptychogena Ptychogena lactea article-journal ScholarlyArticle Taxonomic treatment Text 2017 ftdatacite https://doi.org/10.5281/zenodo.6043825 https://doi.org/10.5281/zenodo.893549 https://doi.org/10.5962/bhl.title.1837 https://doi.org/10.5962/bhl.title.5996 https://doi.org/10.5962/bhl. https://doi.org/10.5962/bhl.title.6513 https://doi.org/10.5 2022-04-01T09:53:13Z Ptychogena lactea A. Agassiz, 1865 Fig. 5 Ptychogena lactea A. Agassiz, 1865: 137, figs 220-224. ‒ Mayer, 1910: 215, fig. 109. ‒ Kramp, 1919: 31, pl. 3. ‒ Kramp, 1959a: 137, fig. 157. ‒ Kramp, 1961: 146. – Kramp, 1968: 67, fig. 175. – in part Naumov, 1969: 321, figs 90, not hydroid. – Arai & Brinckmann-Voss, 1980: 83, fig. 46. ‒ Miyake et al. , 2004: 40, fig. 5. Ptychogena pinnulata Haeckel, 1879: 148. ‒ Haeckel, 1882: 7, pl. 2. ‒ Mayer, 1910: 215, synonym. ‒ Kramp, 1955a: 157. Ptychogena pinnulata var. intermedia Linko, 1905: 217. not Ptychogena lactea . – Calder, 1970: 1512, pl. 3 fig. 1, hy- droid. Material examined: MHNG-INVE-82311; 1 subadult specimen, 20 mm diameter, formalin preserved; Canada, British Columbia, Vancouver Island, 49.36667°N 124.08517°W, depth 0-238 m; date collected 15.06.2012; leg. Moria Galbraith. Diagnosis: Umbrella in mature animals 15-70 mm in diameter, but exceptionally up to 90 mm wide and 30 mm high, bell hemispherical to flatter than a hemisphere (depending on size, state of contraction and health). Jelly thick, apical jelly about one third of bell height. Stomach relatively large, prismatic, attached to sububrella via cross-shaped base, mouth wide, irregular, rim in folds. Four radial canals, relatively thick, in proximal half connected to stomach via a funnel-shaped, laterally compressed, mesentery-like basal outgrowth of the manubrium. On both sides of each radial canal up to 30 relatively thin, transverse lamellar folds, their upper end connected to subumbrella. The lamellar folds also present distal to the perradial basal outgrowths of the manubrium. Gonads covering lamellar folds. Large animals with papillae along edges of lamellar folds and some folds branched. Bell margin with 70-300 (max. 500) tentacles, no marginal warts or rudimentary tentacles. Between pairs of tentacles 1-3 club-shaped cordyli attached to bell margin. Colour: gonads, radial canals, and tentacles characteristic milk-white (but also with a peachy or greenish tint, Schuchert et al ., 2017). Hydroid unknown (Schuchert et al. , 2017). Distribution: A predominantly Arctic species that penetrates into Boreal zones of the Atlantic and Pacific Oceans. Its southern limits in the Atlantic Ocean are Cape Cod and the Faroe-Shetland Channel, in the Pacific Ocean northern Japan and British Columbia. Often collected at depths of over 250 m but may be found near the surface where the water is very cold (Arai & Brinckmann-Voss, 1980; Fraser, 1974). Type locality: Nahant, Massachusetts Bay, USA, Atlantic Ocean. : Published as part of Peter Schuchert, 2017, Systematic notes on some leptomedusa species with a description of Neotima galeai n. spec. (Hydrozoa, Cnidaria), pp. 351-375 in Revue suisse de Zoologie 124 (2) on page 357, DOI: 10.5281/zenodo.893549 : {"references": ["Agassiz A. 1865. North American Acalephae. Illustrated Catalogue of the Museum of Comparative Zoology at Harvard College 2: 1 - 234. http: // dx. doi. org / 10.5962 / bhl. title. 1837", "Mayer A. G. 1910. Medusae of the world. Hydromedusae, Vols. I & II. Scyphomedusae, Vol III. Carnegie Institution, Washington, 735 pp., plates 1 - 76. http: // dx. doi. org / 10.5962 / bhl. title. 5996", "Kramp P. L. 1919. Medusae. Pt. 1. Leptomedusae. Danish Ingolf Expedition 5 (8): 1 - 111, pls 1 - 5.", "Kramp P. L. 1959 a. 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.", "Kramp P. L. 1968. The hydromedusae of the Pacific and Indian Oceans. Sections II and III. Dana Report 72: 1 - 200.", "Naumov D. V. 1969. Hydroids and Hydromedusae of the USSR. Israel Program for scientific translation, Jerusalem, 463 pp., 30 plates.", "Arai M. N., Brinkmann-Voss A. 1980. Hydromedusae of British Columbia and Puget Sound. Canadian Bulletin of Fisheries and Aquatic Sciences 204: 1 - 192.", "Miyake H., Lindsay D. J., Kubota S. 2004. Midwater and bentho-pelagic animals on the south slope of Shiribeshi Seamount off the west coast of Hokkaido. JAMSTEC Journal of Deep Sea Research 24: 37 - 42.", "Haeckel E. 1879. Das System der Medusen. Erster Teil einer Monographie der Medusen. Denkschriften der Medicinisch-Naturwissenschaftlichen Gesellschaft zu Jena 1: XX + 1 - 360, 20 plates. http: // dx. doi. org / 10.5962 / bhl. title. 46856", "Haeckel E. 1882. Report on the deep-sea medusae, dredged by H. M. S. Challenger during the years 1873 - 1876. Report on the Scientific Results of the Voyage of H. M. S. Challenger, Zoology 4: 1 - 154, pls 1 - 32. https: // dx. doi. org / 10.5962 / bhl. title. 6513", "Kramp P. L. 1955 a. A revision of Ernst Haeckel's determinations of a collection of Medusae belonging to the Zoological Museum of Copenhagen. In: Papers in marine Biology and Oceanography. H. B. Bigelow Commemoration Volume. Deep Sea Research 3: 149 - 168.", "Linko A. 1905. Zoologische Studien im Barents-Meere. Auf Grund der Untersuchungen der wissenschaftlichen Murman-Expedition. Zoologischer Anzeiger 28 (6): 210 - 220.", "Calder D. R. 1970. Thecate hydroids from the shelf waters of northern Canada. Journal of the Fisheries Research Board of Canada 27 (9): 1501 - 1547.", "Schuchert P., Hosia A., Leclere L. 2017. Identification of the polyp stage of three leptomedusa species using DNA barcoding. Revue suisse de Zoologie 124 (1): 167 - 182. https: // dx. doi. org / 10.5281 / zenodo. 322675", "Fraser J. H. 1974. The distribution of medusae in the Scottish area. Proceedings of the Royal Society of Edinburgh 74: 1 - 25."]} Text Arctic DataCite Metadata Store (German National Library of Science and Technology) Arctic Canada Pacific Indian British Columbia ENVELOPE(-125.003,-125.003,54.000,54.000) |