Figure 5 from: Conway KW, Mateos M, Vrijenhoek RC (2019) A new species of the livebearing fish genus Poeciliopsis from northern Mexico (Cyprinodontiformes: Poeciliidae). ZooKeys 883: 91-118. https://doi.org/10.3897/zookeys.883.37586

Figure 5 Mouth of Poeciliopsis jackschultzi in dorsal view (anterior to top of page) aCNP-IBUNAM 23406, holotype, male, 20.3 mm SL bTCWC 20082.01, paratype, female, 23.0 mm SL. Cusps of dentary teeth highlighted in dark grey on right side in a and b. Shaft of dentary teeth highlighted in light grey on right side in b. Abbreviations: AN, anterior nostril; D, dentary; DO, dentary teeth of outer row; DI, dentary teeth of inner row; EthP, ethmoid plate; Mx, maxilla; Pmx, premaxilla; LL, lower lip; UL, upper lip.