Polyhedral virusesHelical virusesEnveloped virusesComplex viruses have long narrow capsids shaped liked cylinders. Rabies and ebola are examples.

Helical viruses have capsids arranged in a spiral around their genetic material, forming long, narrow, cylinder-like shapes. Rabies and Ebola viruses have helical nucleocapsids, so the correct choice is helical viruses. They are also enveloped, but that describes an outer membrane, not the shape of the capsid.

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