A plural form of acalephe; multiple jellyfish using an alternative spelling convention.
A variant plural of acaleph-family terms, using the '-es' ending instead of the Latin '-ae.' This reflects anglicization of the scientific term.
English scientists had to decide whether to use Greek/Latin plural rules or English ones—some texts used 'acalephes' (English-style) while others preferred 'acalephae' (pure Latin), a conflict that still echoes in modern plural debates over words like 'octopuses' vs 'octopi.'
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