TY - CHAP A1 - Van Soest, R.W.M. A1 - Hooper, J.N.A. JO - In: Hooper, J.N.A. & Van Soest, R.W.M. (eds) Systema Porifera. A guide to the classification of sponges C1 - Kluwer Academic / Plenum Publishers: New York, 1708 + xlviii. ISBN 978-1-4615-0747-5 (eBook electronic version) TI - Order Spirophorida Bergquist & Hogg, 1969. Pp. 83-84 UR - https://ras.biodiversity.aq/aphia.php?p=sourcedetails&id=404312 PY - 2002 [2004] Y2 - 2024-03-29 ER -