FIGURE 3. Humptulipsia macsotayi n in New and little known mollusks from ancient chemosynthetic environments

FIGURE 3. Humptulipsia macsotayi n. sp. from alleged Hauterivian (Early Cretaceous) seep carbonates at Rottier, southeastern France. A. Paratype, rubber cast of a specimen showing the basal slit (arrow, FSL 286 451). B. Holotype, specimen showing the subsutural constriction and ridge (Grenoble ID 10112). C. Paratype, early teleoconch with well developed sinuous axial ribs (Grenoble ID 10113). D. Paratype, large specimen; arrow indicates the deep sinus in the outer lip of the aperture (Grenoble ID 10111). Figs. B-D from Lemoine et al. (1982).