FIGURE 1. Terminology used for shell descriptions. A. Entire shell. B–C in Five new species and two records of Triphorinae (Caenogastropoda, Triphoridae) from Brazil

FIGURE 1. Terminology used for shell descriptions. A. Entire shell. B–C. Abapical portion of the shell. D–F. Protoconch. G. Protoconch, adapical view (procedure for counting whorls). H–K. Most common embryonic shell sculptures in Triphorinae, with rounded granules (H), reticulate pattern (I), arrowhead-shaped granules/cruciform tubercles (J) or axial vesicles (K). Abbreviations: (abc) abapical spiral cord, (ac) anterior canal, (adc) adapical spiral cord, (ap) aperture, (bc) basal cords, (es) embryonic shell, (ls) larval shell, (mc) median spiral cord, (pc) posterior canal, (pl) protoconch length, (pw) protoconch width, (sc) sutural cord, (sl) shell length, (snc) supranumerical cords, (spc) subperipheral cord, (sw) shell width.