Nassa thaumasia f. nana Sturany, 1900

Albano, Paolo G., Bakker, Piet A. J., Janssen, Ronald & Eschner, Anita, 2017, An illustrated catalogue of Rudolf Sturany's type specimens in the Naturhistorisches Museum Wien, Austria (NHMW): Red Sea gastropods, Zoosystematics and Evolution 93 (1), pp. 45-94 : 63-64

Nassa thaumasia f. nana Sturany, 1900 Figure 17H-J

Nassa thaumasia f. nana Sturany, 1900a: 199; redescribed and illustrated in Sturany (1903), page 222, plate II, figure 7.

Original localities.

94 (314 m) and 96 (350 m) (Northern Red Sea, Table 1 ).

Type material.

Syntypes: NHMW 84181 (station 94): 1 specimen; NHMW 84182 (station 94): 11 specimens; NHMW 84183 (station 96): 1 specimen.

Original description.

In der continentalen Zone (Station 94 [314 m] und Station 96 [350 m]) kommt eine kleinere Form vor (var. nana m.), deren Länge 20 und deren Breite 10 mm betragt bei einer Mündungsausdehnung von 10 ½: 6mm.

Translation.

In the continental zone (station 94 [314 m] and station 96 [350 m]), there is a smaller form ( var. nana ) with 20 mm length and 10 mm width, at the aperture 10.5 high and 6 mm wide.

Comments.

The variety nana was introduced for the deep water specimens; the specimen illustrated in Figure 17 H-J is 19.8 mm high. For further comments see under thaumasia .

Figures

Figure 17. Nassa thaumasia Sturany, 1900. A-C, E. Lectotype, NHMW 37579, Ras Abu Somer, Egypt, Red Sea (likely " locality 18 "): front (A), right side (B), back (C), protoconch (E). D. Original figure by Sturany (1903). F. Original lectotype label. G. Original label of the form nana. H-J. Form nana, syntype NHMW 84181, Station 94 (Nuweiba, Gulf of Aqaba, Egypt): front (H), right side (I), back (J). Scale bars: A-C, H-J: 5 mm, E: 0.2 mm.