Incomplete data. According to Cordell & al., 2008 (p.753) the 1st records of this species in San Francisco estuary and Columbia River are 1993 for the former and 2003 for the latter.
Last update : 15/11/2011
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Razouls C., de Bovée F., Kouwenberg J. et Desreumaux N., 2005-2014. - Diversity and Geographic Distribution of Marine Planktonic Copepods. Available at http://copepodes.obs-banyuls.fr/en [Accessed July 24, 2014]