WoRMS name details
Cosmarium confusum Cooke, 1887
Subspecies Cosmarium confusum subsp. ambiguum West, 1892 accepted as Cosmarium margaritiferum Meneghini ex Ralfs, 1848 (synonym)
Variety Cosmarium confusum var. regularis Nordstedt accepted as Cosmarium margaritiferum Meneghini ex Ralfs, 1848 (synonym)
Variety Cosmarium confusum var. regularius Nordstedt, 1887 accepted as Cosmarium margaritiferum f. regularius (Nordstedt) West & G.S.West, 1908 (synonym)
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