Carlhubbsia Whitley, 1951

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 : 44

Carlhubbsia Whitley

Allophallus Hubbs, 1936: 232 . Type species: Allophallus kidderi Hubbs, 1936 . Type by original designation. Gen- der: masculine.

Carlhubbsia Whitley, 1951: 67 . Type species: Allophallus kidderi Hubbs, 1936 . Type by being a replacement name. Gender: feminine.

Composition. Carlhubbsia kidderi (Hubbs) , and C. stuarti Rosen & Bailey.

Distribution. Carlhubbsia is recorded only from the drainage of the río Polochic and Lake Izabal ( Guatemala), whereas C. kidderi is known to occur in the río Champotón ( Mexico) and in the drainages of río San Pedro de Mártir and río de la Pásion ( Guatemala) (Rosen & Bailey, 1959).

Xiphophorus + Xenodexia + Poecilia + Limia + Pamphorichthys + Micropoecilia + “ Poecilia ” Clade [108]

Diagnosis. Members of this clade share the following uniquely derived and unreversed feature: (1) Lateral wings on segments of R3 symmetrical [109-1**]. Additionally, members of this clade can be diagnosed by the following not uniquely derived and/or reversed features: (1) pelvicfin in adult males long, second ray extending beyond the end of anal-fin base [34-1]; (2) pelvic girdle of males very posterior, anterior border of basipterygium posterior to the posterior border of cleithrum [35-0]; (3) anterior tip of basipterygium in adult males clearly pointed [37-1]; (4) pleural ribs in adult males almost straight, slightly curving forward and not converging to the same point towards pelvic girdle [59-0]; and (5) spines on subdistal segments of R3 retrorse [108-2].