Five Valid Species of Cardinalfishes of the Genus Apogon (Apogonidae) in the Eastern Pacific Ocean, with a Redescription of A. atricaudus and Notes on the Distribution of A. atricaudus and A. atradorsatus
Robert N. Lea, Thomas H. Fraser, Carole C. Baldwin, and Matthew T. Craig
Ichthyology & Herpetology 110: 106–114