Figure 1. Neomenia carinata. (A) Habitus; (B) excavated scale; (C) excavated scale with distal keel; (D) sclerite with arrow point; (E) schematic organization of the anterior and posterior body; (F) detail of the pedal groove; (G) detail of the copulatory sclerites and gland; (H) section through the pallial cavity and respiratory folds. at, atrium; cg, cerebral ganglion; co, copulatory stylet; cog, copulatory stylet gland; cu, cuticle; dc, anterodorsal midgut caecum; dso, dorsoterminal sense organ; he, heart; mc, musculature; mg, midgut; mo, mouth; pa, pallial cavity; pc, pericardium; pd, pericardioduct; ph, pharynx; pp, pedal pit; re, rectum; rf, respiratory folds; sc, suprarectal commissure; sd, spawning duct; vg, ventral ganglion; vp, ve...
FIGURE 21. A, B. Nassa approximans Monterosato, 1891, fossil of Monte Pellegrino (Sicily), H. 37.5 m...
Figure 2. Female reproductive morphology. (A) Lampanella minima. Note connective tissue between rena...
FIGURE 1. Zelentia ninel gen. et sp. nov., A–B, Holotype ZMMU Op-509, living animal, 6 mm length, Ba...
Figure 2. (A, B) Unciherpia hirsuta (habitus); (C–E) Anamenia gorgonophila (habitus), (C) on Eunicel...
Figure 5. Scanning electron micrographs of Macellomenia morseae. (A) Juvenile specimen mounted with ...
Figure 1. Notopropebela profunda (Castellanos and Landoni, 1993) comb. nov. (a–b) MACN-In35153, Sout...
FIGURE 1. Alvania scabra (Philippi, 1844). A–C. Magnisi (Sicily), neotype, height 1.9 mm, with origi...
FIGURES 1–4: Labyrinthus dunkeri. 1: Diagram of shell morphology, scale bar= 5 mm. 2: Position of pa...
FIGURE 1. A–E, Parathyasira bamberi sp. nov. Holotype: A–B, external and internal of the right valve...
Figure 7. Illustration of soft parts with the mantle partially removed: A, Gigantopelta chessoia sp....
Figure 6. Morphology of cephalic haemocoel among basal caenogastropods. (A) Neocyclotus dysoni ambig...
FIGURES 1 – 4: Labyrinthus dunkeri. 1: Diagram of shell morphology, scale bar = 5 mm. 2: Position of...
Figure 2 - Solemya (Petrasma) elarraichensis sp. n. A–E from Kidd MV; A–B lateral and dorsal views o...
FIGURE 1. A, B. Chiton cimicoides Monterosato, 1879, lectotype, Palermo (Sicily), H. 2.15 mm, with o...
Figure 1. Mercenaria mercenaria, showing features of venerid shell morphology coded by this analysis...
FIGURE 21. A, B. Nassa approximans Monterosato, 1891, fossil of Monte Pellegrino (Sicily), H. 37.5 m...
Figure 2. Female reproductive morphology. (A) Lampanella minima. Note connective tissue between rena...
FIGURE 1. Zelentia ninel gen. et sp. nov., A–B, Holotype ZMMU Op-509, living animal, 6 mm length, Ba...
Figure 2. (A, B) Unciherpia hirsuta (habitus); (C–E) Anamenia gorgonophila (habitus), (C) on Eunicel...
Figure 5. Scanning electron micrographs of Macellomenia morseae. (A) Juvenile specimen mounted with ...
Figure 1. Notopropebela profunda (Castellanos and Landoni, 1993) comb. nov. (a–b) MACN-In35153, Sout...
FIGURE 1. Alvania scabra (Philippi, 1844). A–C. Magnisi (Sicily), neotype, height 1.9 mm, with origi...
FIGURES 1–4: Labyrinthus dunkeri. 1: Diagram of shell morphology, scale bar= 5 mm. 2: Position of pa...
FIGURE 1. A–E, Parathyasira bamberi sp. nov. Holotype: A–B, external and internal of the right valve...
Figure 7. Illustration of soft parts with the mantle partially removed: A, Gigantopelta chessoia sp....
Figure 6. Morphology of cephalic haemocoel among basal caenogastropods. (A) Neocyclotus dysoni ambig...
FIGURES 1 – 4: Labyrinthus dunkeri. 1: Diagram of shell morphology, scale bar = 5 mm. 2: Position of...
Figure 2 - Solemya (Petrasma) elarraichensis sp. n. A–E from Kidd MV; A–B lateral and dorsal views o...
FIGURE 1. A, B. Chiton cimicoides Monterosato, 1879, lectotype, Palermo (Sicily), H. 2.15 mm, with o...
Figure 1. Mercenaria mercenaria, showing features of venerid shell morphology coded by this analysis...
FIGURE 21. A, B. Nassa approximans Monterosato, 1891, fossil of Monte Pellegrino (Sicily), H. 37.5 m...
Figure 2. Female reproductive morphology. (A) Lampanella minima. Note connective tissue between rena...
FIGURE 1. Zelentia ninel gen. et sp. nov., A–B, Holotype ZMMU Op-509, living animal, 6 mm length, Ba...