Septidelphis [SEP] parent taxon
Septidelphis
Septidelphis is an extinct genus of oceanic dolphins belonging to the family (Delphinidae). The type species is "Septidelphis morii".
Species.
- †"Septidelphis morii"
Fossil records.
This genus is known in the fossil records from the late Zanclean–early Piacenzian (Pliocene) (age range: from 3.81 to 3.19 million years ago). Fossils are found in the marine strata of Piedmont (northern Italy).
Description.
This genus is characterized by a condylobasal length reaching about ,
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