FIGURES 18–25. Seguenziidae. 18 in On some Vetigastropoda (Mollusca, Gastropoda) from the Plio-Pleistocene of the Philippines with descriptions of three new species

FIGURES 18–25. Seguenziidae. 18. Calliobasis lapulapui Poppe, Tagaro & Dekker, 2006. RGM 608.251. Locality Anda1. (a) rear view, (b) apertural view, (c) side view, (d) basal view, (e) apical view. 19. Calliobasis lapulapui Poppe, Tagaro & Dekker, 2006. RGM 608.252. Locality Anda3. (a) SEM, side view, (b) SEM detail of protoconch. 20. Thelyssina? spec.1. RGM 608.263. Locality Anda2. (a) rear view, (b) apertural view, (c) basal view, (d) apical view. 21. Thelyssina? spec.1. RGM 608.264. Locality Anda2. (a) SEM detail of protoconch, (b) SEM, side view. 22. Thelyssina? spec.1. RGM 608.265. Locality Anda2. SEM, basal view. 23. Thelyssina? spec.2. RGM 608.268. Locality AndaDeVos. (a) rear view, (b) apertural view, (c) basal view, (d) apical view. 24. Thelyssina? spec.2. RGM 608.269. Locality AndaDeVos. SEM detail of protoconch. 25. Thelyssina? spec.2. RGM 608.270 Locality AndaDeVos. SEM, basal view.