Tagliatelle are very thin ribbons of pasta about 1/4 inch (6 mm) wide.
For other types of pasta, see angel hair, armoniche, bucatini, cannelloni, cannoli shells, cappelletti, conchiglie, farfalle, fedelini, fettuccine, fusilli, garganelli, gemelli, gnocchi, lasagne noodles, linguine, macaroni, mezzelune, orecchiette, orzo, pappardelle, penne, radiatori, ravioli, rigatoni, ruote, spaghetti, tagliarini, and tortellini.