Drymaeus (Drymaeus) yapacanensis Breure & Eskens, 1981

Breure, Abraham S. H., 2009, New Orthalicidae (Mollusca, Gastropoda) from Venezuelan Guayana: unravelling secrets from the Lost World, Zootaxa 2065, pp. 25-50 : 40-41

Drymaeus (Drymaeus) yapacanensis Breure & Eskens, 1981

( Fig. 8 G─H)

Drymaeus (Drymaeus) yapacanensis Breure & Eskens, 1981: 47 , fig. 159, 343; pl. 3 figs 5─6, pl. 5 fig. 9. Type locality: Venezuela, Territoria Amazonas, Cerro Yapacaná, ca. 700 m; holotype RMNH 55331. Genitalia, mandibula, radula.

Material. Venezuela, Estado Amazonas, Cerro Yapacana, 700 m, J. Cerda leg., ii.1978 ( RMNH 55331/ holotype, 55332/1 paratype).

Remarks. So far, only the type material is known, which was collected on one of the slopes; the top of this isolated tepui is at 1300 m ( Huber 1995a: fig. 1.22).

Figures

FIGURE 8. Shells in Drymaeus (Drymaeus). A ─ C. D. (D.) extraneus (Haas, 1955). A ─ B. Holotype FMNH 49736; C. FMNH 49734. D ─ F. D. (D.) steyermarki (Haas, 1955), holotype FMNH 49735. G ─ H. D. (D.) yapacanensis Breure & Eskens, 1981, holotype RMNH 55331. I ─ S. Drymaeus (Drymaeus) rex spec. nov. I ─ M, Q ─ S. Paratypes UF 284745, 284730, 284759, 284748, 284714, 284719, 284719 and 284715 respectively; N ─ P. Holotype UF 284726. Scale bar— 1 cm.