WoRMS source details
Billard, A. (1922). Note sur deux espèces d'hydroïdes du littoral d'Ostende [Note on two hydroid species from the littoral zone at Ostend]. Ann. Soc. Roy. Zool. Malacol. Bel. 52: 135-139
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2013-01-12 18:30:12Z
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Dyck (sandbank) for Halecium undulatum Billard, 1921
Oostende for Obelia spinulosa (Bale, 1888)
Westhinder for Halecium undulatum Billard, 1921
Oostende for Obelia spinulosa (Bale, 1888)
Westhinder for Halecium undulatum Billard, 1921