Ichthyophis elongatus was created in 1965.
Cancelloxus elongatus was created in 1986.
Radiicephalus elongatus was created in 1917.
Petrolisthes elongatus was created in 1837.
Zoarces elongatus was created in 1868.
Omobranchus elongatus was created in 1855.
Ichthyophis bannanicus was created in 1984.
Ichthyophis acuminatus was created in 1960.
Ichthyophis hypocyaneus was created in 1827.
Ichthyophis mindanaoensis was created in 1960.
Ichthyophis humphreyi was created in 1973.
Ichthyophis billitonensis was created in 1965.
Ichthyophis sumatranus was created in 1960.