The Florida State Collection of Arthropods (FSCA) is one of the top insect collections in the United States with in excess of eight million curated specimens and significant amounts of materials in bulk collections and other unprocessed samples. The subphylum Myriapoda currently comprises approximately 17,500 species in the four classes Diplopoda, Chilopoda, Symphyla, and Pauropoda. The FSCA houses type material in the Diplopoda orders Callipodida, Chordeumatida, Glomeridesmida, Julida, Polydesmida, Polyzoniida, Siphonophorida, Spirobolida, and Spirostreptida. This catalog documents the FSCA primary type material for 74 species in 45 genera in 25 families and nine orders within Diplopoda.