Parmaphorella melvilli ( Thiele, 1912 )

Luca, Javier Di & Zelaya, Diego G., 2019, Gastropods from the Burdwood Bank (southwestern Atlantic): an overview of species diversity, Zootaxa 4544 (1), pp. 41-78 : 43-44

Parmaphorella melvilli ( Thiele, 1912)

Fig. 2A

Tugalia antarctica Melvill & Standen, 1907: 98 , fig. 1

Tugali melvilli Thiele, 1912: 257 (nom. nov. pro T. antarctica Melvill & Standen, 1907 non Strebel, 1907)

Parmaphorella melvilli — Powell, 1951: 87, fig. G3 (radula)

Parmophoridea melvilli — Dell, 1990: 77, fig. 122

Examined material. 3 sh. (MACN-In 40660).

Description. Shell length to 11.7 mm (up to 23 mm according to Melvill & Standen 1907); patelliform, low, moderately thick. Apex rolled, located close to posterior margin. Surface white; sculptured with numerous, low radial ribs and prominent growth lines, which produce small beads at their intersections. Aperture ovate, interior white, margin crenulated. Slit closed.

Figures

FIGURE 2. A. Parmaphorella melvilli (Thiele, 1912), MACN-In 40660, scale bar = 4 mm. B. Puncturella conica (d´Orbigny, 1841), MACN-In 40661, scale bar = 2 mm. C. Anatoma conica (d´Orbigny, 1841), MACN-In 40662, scale bar = 1 mm. D. Scissurella clathrata Strebel, 1908, MACN-In 40663, scale bar = 0.5 mm. E. Calliostoma cf. moebiusi Strebel, 1905, MACN- In 40665, scale bar = 4 mm. F. Margarella expansa (Sowerby, 1838), MACN-In 40666, scale bar = 2 mm. G. Ganesa sp., MACN-In 40667, scale bar = 1 mm. H. Liotella crassicostata (Strebel, 1908), MACN-In 40664, scale bar = 0.25 mm. I. Colpospirella algida (Melvill & Standen, 1912), MACN-In 40668, scale bar = 2 mm. J. “Cirsotrema” strebeli Zelaya & Güller, 2017, MACN-In 40673, scale bar = 2 mm. K. Cerithiopsis (?) caelatum (Gould, 1849), MACN-In 40677, scale bar = 2 mm. L. Cerithiopsilla burdwoodiana (Melvill & Standen, 1912), MACN-In 40674, scale bar = 1 mm. M. Cerithiopsilla sp., MACN-In 40675, scale bar = 1 mm. N. Eumetula michaelseni (Strebel, 1905), MACN-In 40676, scale bar = 1 mm.