WoRMS source details
Bergquist, P.R.; Cook, S. de C. (2002 [2004]). Order Halisarcida Bergquist, 1996. Pp. 1077. In: Hooper, J.N.A. & Van Soest, R.W.M. (eds) Systema Porifera - A guide to the classification of sponges. (2 volumes) Kluwer Academic/ Plenum Publishers: New York, 1708 + xvliii. ISBN 978-1-4615-0747-5 (eBook electronic version).
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Bergquist, P.R.; Cook, S. de C.
2002 [2004]
Order Halisarcida Bergquist, 1996. Pp. 1077. <i>In</i>: Hooper, J.N.A. & Van Soest, R.W.M. (eds) Systema Porifera - A guide to the classification of sponges. (2 volumes) Kluwer Academic/ Plenum Publishers: New York, 1708 + xvliii.
ISBN 978-1-4615-0747-5 (eBook electronic version)
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Halisarcida Bergquist (Demospongiae) contains a single family and genus, characterised by the possession of a skeleton composed only of fibrillar collagen, lacking any fibrous or mineral elements, and with choanocyte chambers that are tubular, branched and wide-mouthed.
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