IRMNG name details
basis of record
Parker, S.P. (ed). (1982). Synopsis and Classification of Living Organisms. McGraw-Hill, New York. 2 volumes. [details]
Unverified
Taxonomic remark Status uncertain; WoRMS (2017) currently assigns the sole member of this class, Planctosphaera pelagica Spengel, to Enteropneusta incertae sedis. [details]
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