Zeus scalaris Bloch, 1831; (unavailable, in passing)
Pterophyllum scalaris Heckel, 1840; (synonym)
Plataxoides dumerilii Castelnau, 1855; (synonym)
Pterophyllum eimekei Ahl, 1928; (synonym)
Additional information sources:
The taxonomic information and the basic database has been provided by; e-mail:Igor Sheremetyev; This is a conversion from a database dump, and there are probably many odd things as result of automatic conversion.