Phallichthys Hubbs

Lucinda, Paulo Henrique Franco & Reis, Roberto E., 2005, Systematics of the subfamily Poeciliinae Bonaparte (Cyprinodontiformes: Poeciliidae), with an emphasis on the tribe Cnesterodontini Hubbs, Neotropical Ichthyology 3 (1), pp. 1-60 : 42-43

Phallichthys Hubbs

Phallichthys Hubbs 1924: 10 . Type species: Poeciliopsis isthmensis, Regan 1913 . Type by original designation. Gen- der: masculine.

Composition. Phallichthys amates (Miller) ; P. fairweatheri Rosen & Bailey , P. quadripunctatus Bussing , P. tico Bussing.

Distribution. Belize and northern Guatemala to Costa Rica and western Panama (Atlantic drainages). Introduced on Pacific Slope of Costa Rica.

Xenophallus + Poeciliopsis + Phalloptychus [Clade 110]

Diagnosis. Xenophallus , Poeciliopsis , and Phalloptychus share the following uniquely derived and unreversed feature: (1) convergent anal-fin proximal radials of females [66-2**].

Additionally, this clade can be diagnosed by the following not uniquely derived and/or reversed features: (1) width of first pelvic-fin ray in adult males decreasing abruptly at distal portion, distal slender portion long [41-1]; (2) ligastyle with one axis [46-1]; (3) females with 10 anal-fin rays [65-1]; (4) distal portion of third and fourth gonactinosts completely fused [74-1]; (5) absence of an anterior process on base of fifth middle anal-fin radial in adult males [78-0]; (6) males with 10 anal-fin rays [85-0]; (7) absence of an elongate and dorsal protuberance along R4p (just behind retrorse spines series) of anal fin in adult males [118-0]; and (8) more distal elements of R6 branches totally fused [127-2].