''Melchiorites'' is a desmoceratid

ammonite Ammonoids are a group of extinct marine mollusc animals in the subclass Ammonoidea of the class Cephalopoda. These molluscs, commonly referred to as ammonites, are more closely related to living coleoids (i.e., octopuses, squid and cuttlefish) ...

genus included in the subfamily Puzosiinae. Member species are characterized by an essentially evolute shell in which the early whorls are smooth, with sinuous radial or oblique constrictions but in which later whorls have feeble intermediate ribs on the outer part of the sides and venter. ''Melchioites'' is known from

Lower Cretaceous Lower may refer to: *Lower (surname) *Lower Township, New Jersey *Lower Receiver (firearms) *Lower Wick Lower Wick is a small hamlet located in the county of Gloucestershire, England. It is situated about five miles south west of Dursley, eight ...

of Europe, north Africa, and California. The type species, ''Melchiorites melchioris'' is from the Upper Albian of France.

References

;Notes ;Bibliography * W.J. Arkell, et al., 1957. Mesozoic Ammonoidea, L364, ''Treatise on Invertebrate Paleontology'', Part L, Ammonoidea. Geological Society of America and Univ Kansas Press. {{Taxonbar, from=Q12263352 Cretaceous ammonites Ammonites of Europe Aptian life