A systematic revision of the genus Archocentrus (Perciformes: Cichlidae), with the description of two new genera and six new species. Juan J. Schmitter-Soto Zootaxa 2007 1603 1 78 328M 61816 Cichlidae Archocentrus Animalia Perciformes 3 Chordata genus    14a(7a) Teeth tricuspid (except symphysial, sometimes truncate) ........................ Archocentrus multispinosus  14b All teeth pointed ................................................................................................................................ 15   15a(14b) Two opercular spots (Fig. 2); D. XVI; A. IX -XI ........................................ Archocentrus centrarchus  15b One opercular spot (part of longitudinal stripe) (Fig. 4); D. XVIII -XIX; A. XI -XII ........................... .............................................................................................................. …. Archocentrus spinosissimus