TY  - CHAP
A1  - Hooper, J.N.A.
A1  - Van Soest, R.W.M.
C1  - 1708+xvliii. ISBN 978-1-4615-0747-5 (eBook electronic version).
TI  - Family Spirasigmidae Hallmann, 1912. Pp. 102-104. <i>In:</i> Hooper, J.N.A.; van Soest, R.W.M. (Eds.) <i>Systema Porifera: a guide to the classification of sponges</i>. (2 Volumes). Kluwer Academic/ Plenum Publishers: New York, Boston, Dordrecht, London, Moscow).
UR  - https://www.marinespecies.org/traits/aphia.php?p=sourcedetails&id=404806
PY  - 2002 (2004)
Y2  - 2026-05-11
ER  -