Notched triplefin [SEP] parent taxon
Notched triplefin
Trinorfolkia incisa, known commonly as the notched triplefin or notched threefin, is a species of triplefin blenny in the genus "Trinorfolkia". It was described by Rudie Kuiter in 1986. This species is found at depths of between on the roofs of caves. This species occurs along the southern coast of Australia from the south western coast of Western Australia to Victoria and around Tasmania.
Axoclinus
Axoclinus is a genus of triplefins in the family Tripterygiidae. This genus has sex described species. It is restricted to the eastern tropical Pacific. 
The genus is characterised by having ctenoid scales, a lateral line which shows pored scales towards the head and notched scales towards the tail, the pelvic fins have two separated rays and the anal fin also has two spines and the possession of vomerine teeth but no palatine teeth.
Species.
The following species are classified in the genus:
- Cocos triplefin,