Ichthyophis elongatus was created in 1965.
Petrolisthes elongatus was created in 1837.
Radiicephalus elongatus was created in 1917.
Cancelloxus elongatus was created in 1986.
Zoarces elongatus was created in 1868.
Omobranchus elongatus was created in 1855.
Ichthyophis hypocyaneus was created in 1827.
Ichthyophis longicephalus was created in 1986.
Ichthyophis humphreyi was created in 1973.
Ichthyophis billitonensis was created in 1965.
Ichthyophis sumatranus was created in 1960.
Ichthyophis beddomei was created in 1880.
Ichthyophis dulitensis was created in 1965.