A new species of Chondrostoma Agassiz, 1832 (Cypriniformes: Cyprinidae) with sexual dimorphism from the lower Rio Tejo Basin, Portugal. Author Hugo F. Gante Author Carlos D. Santos Author Maria Judite Alves text Zootaxa 2007 1616 23 35 http://www.zoobank.org/urn:lsid:zoobank.org:pub:AF430D3B-4F81-4CAF-9EBD-F3AA5D16FDF0 journal article z01616p023 AF430D3B-4F81-4CAF-9EBD-F3AA5D16FDF0 Chondrostoma arcasii (Steindachner 1866) : MB05-1440, 7 ex., sex unknown. Rio Macas , locality unknown, Rio Douro Basin, Portugal . Leg. C. Almaca . 11.VI. 1988 .