Rissoa algeriana, , Rissoa

Appolloni, Massimo, Smriglio, Carlo, Amati, Bruno, Lugliè, Lorenzo, Nofroni, Italo, Tringali, Lionello P., Mariottini, Paolo & Oliverio, Marco, 2018, Catalogue of the primary types of marine molluscan taxa described by Tommaso Allery Di Maria, Marquis of Monterosato, deposited in the Museo Civico di Zoologia, Roma, Zootaxa 4477 (1), pp. 1-138 : 41

algeriana, Rissoa [ Alvania algeriana (Monterosato, 1877) ] ( Figures 13A–C )

1877a: 34, pl. III, figs 5, 5a [XV: 304, 322, figs 5, 5a]—available name

Type material. MCZR–M–22182 —6 sh “ R. algeriana n. sp. e var. rufula Alger (Joly)!“

Other material. MCZR –M–22182 —5 sh “ R. algeriana var. rufola Monts Alger ( Joly )”

Type locality. Described from Algiers and Mustapha ( Algeria).

Remarks. Peculiar species, with paucispiral protoconch and teleoconch spiral sculpture only on the base; var. rufula ( Fig. 13B ) is only sligthly smaller, almost monochrome. Recorded by MolluscaBase (2018) as Alvania algeriana (Monterosato, 1877) .

Figures

FIGURE 13. A–C. Rissoa algeriana Monterosato, 1877, Algiers (Algeria), H. 4.4 mm and var. rufula H. 3.1 mm (ex Joly coll.), with original label (MCZR–M–22182); D–F. Zippora angustior Monterosato, 1917, Tripoli (Libya), H. 6.45 mm and H. 4.3 mm with original label (MCZR–M–30008); G, H. Sabanea apicina Monterosato, 1890, Palermo (Sicily), H. 1.9 mm, with original labels (MCZR–M–22011); I, J. Rissoa aurita Monterosato, 1877, Algiers (Algeria), H. 3.1 mm (ex Joly coll.), with original labels (MCZR–M–22255); K, L. Cingula beniamina Monterosato, 1884, paralectotype, Trapani, (Sicily), H. 1.7 mm, with original label (MCZR–M–22252); M, N. Microsetia coelata Monterosato, 1884, lectotype, Ognina (Sicily), H. 0.9 mm with original label (MCZR–M–30009); O, P. Sabanea consimilis Monterosato, 1890, Palermo (Sicily), H. 2.2 mm, with original labels (MCZR–M–30010); Q, R. Alvania consociella Monterosato, 1884, lectotype, Corsica (France), H. 3.3 mm, with original label (MCZR–M–22159).