TryblidiidaeTryblidiidae is an extinct family of paleozoic monoplacophorans in the superfamily Tryblidioidea.GeneraGenera in the family Tryblidiidae include: †Tryblidium Lindström, 1880. From Ordovician and Silurian. †Drahomira Perner, 1903* †Drahomira barrandei* †Drahomira glaseri* †Drahomira kriziana* †Drahomira rugata †Helcionopsis Ulrich & Scofield, 1897 †Pentalina Horný, 1961* †Pentalina prantli Horný, 1961 ''†Pilina''