A re-examination of siphonophore terminology and morphology, applied to the description of two new prayine species with remarkable bio-optical properties

Haddock, S.H.D.; Dunn, C.W.; Pugh, P.R. ORCID: https://orcid.org/0000-0001-7375-7838. 2005 A re-examination of siphonophore terminology and morphology, applied to the description of two new prayine species with remarkable bio-optical properties. Journal of the Marine Biological Association of the United Kingdom, 85 (3). 695-707. 10.1017/S0025315405011616

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Official URL: http://dx.doi.org/10.1017/S0025315405011616

Abstract/Summary

Siphonophores (Cnidaria: Hydrozoa) are dominant members of the carnivorous plankton, and they are known for their ability to produce bioluminescence. Here we describe two new calycophoran species (sub-family Prayinae) that are unique in their morphological and optical traits. One species, Gymnopraia lapislazula gen. nov., sp. nov., displays a dramatic form of blue structural coloration, and the other, Lilyopsis fluoracantha, sp. nov., bears an exceptional amount of fluorescence–enough to give a greenish cast during white-light illumination. We also introduce a consistent terminology for siphonophore axes and zooids, discuss characters important for distinguishing the known prayine genera, and suggest that the presence or absence of a disjunct pedicular canal could be of diagnostic value for the group.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	10.1017/S0025315405011616
ISSN:	0025-3154
Date made live:	11 Aug 2005 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/117241

Item Type:

Publication - Article

Digital Object Identifier (DOI):

10.1017/S0025315405011616

ISSN:

0025-3154

Date made live:

11 Aug 2005 +0 (UTC)

URI:

https://nora.nerc.ac.uk/id/eprint/117241