Cestodaria

/ˌsɛstəˈdɛriə/ noun

Definition

A small class of parasitic flatworms related to tapeworms, considered primitive members of the cestode group, found primarily in fish and marine vertebrates.

Etymology

From cestoda with the suffix -aria (meaning 'related to'). This taxonomic term designates organisms with characteristics between true cestodes and other flatworms.

Kelly Says

Cestodaria represent an evolutionary middle ground in parasitic flatworms—they're like the link between different tapeworm groups, helping scientists understand how these parasites evolved to exploit their hosts.

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