original description
Eschscholtz, Johann Friedrich von. (1825). Bericht über die zoologische Ausbeute während der Reise von Kronstadt bis St. Peter und Paul. <em>Isis von Oken.</em> 1825(6): 733-747, plate V., available online at https://www.biodiversitylibrary.org/page/27509188
page(s): 744, pl. 5, fig. 17 [details] 
context source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
context source (Bermuda)
Moore, H.B. (1949). The zooplankton of the upper waters of the Bermuda area of the North Atlantic. Bulletin of the Bingham Oceanographic Collection 12(2):1-97, figs. 1-208. (i-1949) [details] Available for editors 
additional source
Kawamura, T. 1911c. “Shidarezakura Kurage” and “Nagayoraku Kurage” (Cupulita picta, Metschnikoff, and Agalmopsis elegans, Sars). Zool. Mag. (Tokyo) (Dobuts. Zhasshi) 23 (7): 359-363, plate 7 (In Japanese).
page(s): 79, pl.16, figs 1-8 [details]
additional source
Cairns, S.D., L. Gershwin, F.J. Brook, P. Pugh, E.W. Dawson, O.V. Ocaña, W. Vervoort, G. Williams, J.E. Watson, D.M. Opresko, P. Schuchert, P.M. Hine, D.P. Gordon, H.I. Campbell, A.J. Wright, J.A.Sánchez & D.G. Fautin. (2009). Phylum Cnidaria: corals, medusae, hydroids, myxozoans. <em>in: Gordon, D.P. (Ed.) (2009). New Zealand inventory of biodiversity: 1. Kingdom Animalia: Radiata, Lophotrochozoa, Deuterostomia.</em> :59-101., available online at https://repository.si.edu/handle/10088/8431 [details] Available for editors 
additional source
Leloup, E. (1935). Les siphonophores de la rade de Villefranche-sur-Mer (Alpes Maritimes, France) [Siphonophores of the Rade of Villefranche-sur-Mer (Maritime Alps, France)]. <i>Bull. Mus. royal d'Hist. Nat. Belg./Med. Kon. Natuurhist. Mus. Belg. 11(31)</i>: 1-12 (look up in IMIS) [details]
additional source
Bigelow H.B. (1911c). The Siphonophorae. Reports of the scientific research expedition to the tropical Pacific. Albatross XXIII. <em>Memoirs of the Museum of Comparative Zoology at Harvard College.</em> 38: 173-401, 32 pls., available online at http://www.biodiversitylibrary.org/item/32451
page(s): 277, pl.17 figs 1-14 [details] 
additional source
Eschscholtz, F. (1829). System der Acalephen. Eine ausführliche Beschreibung aller medusenartigen Strahltiere. Ferdinand Dümmler, Berlin, pp. 1-190, 116 pls., available online at https://www.biodiversitylibrary.org/page/10665047
page(s): 151, pl. 13 fig.1a-f [details]
additional source
Dunn, C. W.; Pugh, P. R.; Haddock, S. H. D. (2005). Marrus claudanielis, a new species of deep-sea physonect siphonophore (Siphonophora, Physonectae). <em>Bulletin of Marine Science.</em> 76 (3): 699-714.
page(s): 700 [details] 
ecology source
Madin, L.P. (1988). Feeding behaviour of tentaculate predators: in situ observations and a conceptual model. <em>Bulletin of Marine Science.</em> 43(3): 413-429. [details] Available for editors 
From editor or global species database
Distribution Latitudinal range of 50°N to 44°S in the Atlantic. [details]
Distribution Bouillon et al 2004, Pagès et al’06 [details]Unreviewed
Biology abundant [details]
Distribution cosmopolitan [details]
Habitat epi-bathypelagic [details]
Unreviewed
To Yale Peabody Museum of Natural History (YPM IZ 106594)
Hosted externally
Agalma okenii - polygastric colony
Agalma okenii - polygastric colony
Agalma okenii - polygastric colony
Agalma okenii - siphonula