. Bulletin of the Natural Histort Museum. Geology series. 74 Vascoceras woodsi sp. nqv. Figs 9-11, 25 32 1957 Vascoceras sp. juv. Barber: 27, pi. 6, figs 2, 4, 7; pi. 27, figs 10-15. 71965 Vascocerasgamai Choffat; Collignon: 185, figs 5-7. 1989 Plesiovascoceras aff. gr. thomi (Reeside) ou sp. nov. Meister: 11, pi. 4, figs 2, 3, 5; text-fig. 8. 1989 Paravascoceras gr. evolutum Schneegans; Meister: 14 (pars), pi. 5, fig. 4 (only); text-fig. 10. 1990a Vascoceras gr. evolutum (Schneegans); Zaborski: 7. 1990fl Vascoceras sp. Zaborski: figs 9, 10. 1990fl Vascoceras sp. juv. Zaborski: figs 16-18, 20,
. Bulletin of the Natural Histort Museum. Geology series. 74 Vascoceras woodsi sp. nqv. Figs 9-11, 25 32 1957 Vascoceras sp. juv. Barber: 27, pi. 6, figs 2, 4, 7; pi. 27, figs 10-15. 71965 Vascocerasgamai Choffat; Collignon: 185, figs 5-7. 1989 Plesiovascoceras aff. gr. thomi (Reeside) ou sp. nov. Meister: 11, pi. 4, figs 2, 3, 5; text-fig. 8. 1989 Paravascoceras gr. evolutum Schneegans; Meister: 14 (pars), pi. 5, fig. 4 (only); text-fig. 10. 1990a Vascoceras gr. evolutum (Schneegans); Zaborski: 7. 1990fl Vascoceras sp. Zaborski: figs 9, 10. 1990fl Vascoceras sp. juv. Zaborski: figs 16-18, 20, 21. 1992 Vascoceras gr. thomi (Reeside) ou evolutum (Schneegans); Courville: pi. 5, fig. 1. 1993 Vascoceras sp. nov. aff. gamai Choffat; Zaborski; 365. 1995 Vascoceras sp. nov. aff gamai Choffat; Zaborski: 54, 55. HOLOTYPE. (Fig. 27), Pindiga Formation, unit M, Ashaka. Paratypes. Thirty-four specimens, , , , , Pindiga Formation, unit M, Ashaka; , Pindiga Formation, unit M, Pindiga; , , , , Pindiga Formation, unit N, Pindiga; , , , Pindiga Formation, Deba Habe. Dimensions. ZABORSKI D Wb Wh U 94 31(33) 39() 60 34(57) 22(37) 21(35) 53 32 (60) 20(38) 18(34) 52 31(60) 18(35) 20() 50 29(58) 20(40) 17(34) 40 25 (62) 15() 13() 39 24() 16(41) 11(28) 34 20(59) 13(38) 10(29) Derivation of name. After the late H. Woods who first described ammonites from north-eastern Nigeria. Diagnosis. Evolute Vascoceras with whorls broader than high. Middle whorls with rounded or more normally highly bullate umbilical tubercles fusing with inner ventro-lateral bullae to cover the flanks. Adult body-chamber smooth or with umbilical tubercles and/or relatively weak ventral ribbing. Description. The shell is evolute, the umbilicus widening during growth from about one-third to 40% or more of the overall
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