The family classification (in taxonomy) that includes goniatites and related extinct cephalopods with angular shell sutures.
From goniatite plus the suffix -idae, the Linnaean nomenclature suffix for family-level classification in taxonomy. Named after the distinctive goniatitic suture pattern.
Goniatitidae is named using Linnaean classification rules that are over 250 years old—scientists still use this exact system to organize millions of species, from bacteria to blue whales!
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