''Aphantites'' is a Lower Pennsylvanian
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) ...
belonging to the
goniatitid family
Reticuloceratidae which are characterized by involute subdiscoidal shells covered by linear or biconvex growth lines that may be crossed by longitudinal lirae, producing a reticulate pattern. Sutures are simple, the ventral lobe double pronged. Related genera include ''
Surenites'' and ''
Reticuloceras''.
References
*''Aphantites'' in Paleobiology Database, Surenitina
8/2/10
* Goniat online
Reticuloceratidae 8/2/10
Goniatitida genera
Reticuloceratidae
Pennsylvanian ammonites
{{Goniatitida-stub