Michiganites [SEP] parent taxon
Michiganites
Michiganites is a member of the ammonoid order Prolecanitida, named by Ruzhencev in 1962, which comes from the Meramacian stage of Mississippian Period (early Carboniferous Visian).
The shell of "Michiganites" is discoidal and smooth, as for the family. The ventral lobe of the suture is expanded; three lobes are formed on either side.
"Michiganites" is placed in the suborder Prolecanitinae (the Prolecanitaceae of Hyatt 1884) and in the family Prolecanitidae along with related genera, "Becanites", "Dombarocanites
Taxon in disguise
In bacteriology, a taxon in disguise is a species, genus or higher unit of biological classification whose evolutionary history reveals has evolved from another unit of similar or lower rank, making the parent unit paraphyletic. This happens when rapid evolution makes a new species appear radically different from the ancestral group, so that it is not (initially) recognised as belonging to the parent phylogenetic group, leaving the latter an evolutionary grade.
While the term is from bacteriology, parallel examples are found throughout the tree of