Calder, D. R.; Vervoort, W. (1998). Some hydroids (Cnidaria: Hydrozoa) from the mid-Atlantic Ridge, in the North Atlantic Ocean. Zool. Verh. Leiden. 319 : 1-65.
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Calder, D. R.; Vervoort, W.
1998
Some hydroids (Cnidaria: Hydrozoa) from the mid-Atlantic Ridge, in the North Atlantic Ocean