A taxonomic subfamily or grouping related to amphioxus organisms, used in older or alternative classification systems.
From 'amphioxus' + the Greek suffix '-ides', meaning 'descendant of' or 'member of a group'. This suffix was commonly used in classical taxonomy before modern binomial classification became standard.
Scientific names are like family trees written in Latin—'-ides' means 'kids of' or 'tribe of,' so amphioxides literally means 'the amphioxus family' in old-school zoological terms.
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