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From: Pastor de Ward, 1998
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Drawing of the original description (de Man, 1888). Note the plate gubernaculum, different of Halalaimus gracilis sensu Gerlach, 1967; ??? H . gracilis De Man, 1888.
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From: Schuurmans Stekhoven (1950)
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From: Schuurmans Stekhoven (1935)
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From: Bresslau & Schuurmas Stekhoven (1940)
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From: Filipjev (1927)
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From: Schuurmans Stekhoven (1935)
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Gerlach, 1957
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Allgén, 1947
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From: Lorenzen, S. (1969). Freilebende Meeresnematoden aus dem Schlickwatt und den Salzwiesen der Nordseeküste. Veröff. Inst. Meeresforsch. Bremerh. XI: 195-238.
