See text Longobarditidae is a family of ceratitd ammonoids known from the early Triassic, included in the Danubitaceae.
Six genera were named prior to the first publication of part L of the Treatise on Invertebrate Paleontology in 1957, the remaining 11 since.
Arctohungerites, Groenlandites, Longobardites, and Noetingites were previously included in the Hungeritidae, Czekanowskites in the Meekoceritidae, and Pearylandites in the Siberitidae Fm.
Triassic Ammonoidea: Classification, evolution and relationship with Permian and Jurassic Forms.
The Ammonoidea: The evolution classification, mode of life and geological usefulness of a major fossil group 66-100 E. T. Tozer.