Man pages matching name bio::graphics::glyph::segmented_keyglyph in section 3pm:

Bio::Graphics::Glyph::segmented_keyglyph.3pm.en	debian 10 / libbio-graphics-perl
Bio::Graphics::Glyph::segmented_keyglyph.3pm.en	debian 11 / libbio-graphics-perl
Bio::Graphics::Glyph::segmented_keyglyph.3pm.en	debian 12 / libbio-graphics-perl