Leptochiton denhartogi Strack, 2003

Dell’Angelo, Bruno, Schwabe, Enrico, Gori, Sandro, Sosso, Maurizio & Bonfitto, Antonio, 2014, Chitons (Mollusca, Polyplacophora) from São Tomé and Príncipe Islands, African Invertebrates 55 (2), pp. 171-200 : 173

Leptochiton denhartogi Strack, 2003

Figs 2A–D

Leptochiton denhartogi: Strack 2003: 409 , figs 1–8; Schwabe 2005: 93; Lopez Cabrera & Olivero 2011:973. Holotype: RMNH 94969. Paratypes: many specimens in several institutions (see Strack 2003). Type locality: Angola, Off Luanda, 50–60 m, attached to stones or dead shells.

Material examined: ST03: 1 intermediate valve, width 2.8 mm ( BD 105).

Distribution: Angola and São Tomé Island.

Comparison and remarks: The characters of the single intermediate valve available are sufficient to identify the species with certainty. This is the first report of occurrence of the species since it was described, and extends the geographical distribution to São Tomé Island.

Figures

Fig. 2. (A–D) Leptochiton denhartogi Strack, 2003, São Tomé Island, ST03, intermediate valve: (A–B) dorsal and frontal views, (C–D) detail of the sculpture of the tegmentum, close-ups of granules with aesthetes in different views; (E–H) Leptochiton sp., São Tomé Island, ST11, tail valve: (E–F) dorsal and lateral views, (G–H) detail of the sculpture of antemucronal and postmucronal areas, respectively; (I–K) Ischnochiton cf. rissoi (Payraudeau, 1826), São Tomé Island, specimen from ST06: (I) dorsal view, (J) dorsal girdle scales, (K) detail of the intermediate and tail valves; (L–Q) Ischnochiton sp., SãoTomé Island, specimen from ST06:(L–M) dorsal and lateral views,(N) detail of thehead and the first intermediate valves, (O–P) detail of the sculpture of central and lateral areas, respectively, (Q) dorsal girdle scales.Scale bars = 1 mm (B); 800 μm (I); 600 μm (A); 500 μm (E); 400 μm (L, M); 300 μm (F, K); 200 μm (N); 100 μm (J); 60 μm (G, H); 50 μm (D); 40 μm (C); 30 μm (P); 20 μm (O, Q).