Hamitidae Gill, 1871
Key morphological features: Shell coiling is very irregular with two or three parallel straight shafts. The shell may end in a spiral and if ribs are present they do not have extra ornamentation. Suture lines are intricate.
MOBILITY: Mobile (swim)
FEEDING MODE: Predator
Duration: Lower Albian to Upper Turonian (Source: Wright et al., 1996).
PaleoDB taxon number: 96540.
Wright, C. W., 1996. Ammonoidea, in Kaesler, R. L., ed., Treatise on Invertebrate Paleontology, Part L, Mollusca 4 Revised, Volume 4. The University of Kansas and Geological Society of America. 362 pp.