Maximites is a genus of Late Carboniferous ammonoids. Adult specimens were the smallest known ammonoids, only at about in diameter of shells. Fossils are found in various Late Carboniferous marine strata in North America. Maximites is the sole genus of Maximitidae, one of two families of the Superfamily Pseudohaloritoidea, an important subgroup of the order Goniatitida. References The Paleobiology Database accessed on 10/01/07 Pseudohaloritoidea Goniatitida genera Carboniferous cephalopods Ammonites of North America Paleozoic life of Nunavut