Figure 1 in Redescription of Retilaskeya horrida (di Monterosato, 1874) comb. nov. and a re-evaluation of the taxonomic affinity of the genus Retilaskeya (Caenogastropoda: Triphoroidea)

Figure 1. Cerithiopsis horrida di Monterosato, 1874 ex Jeffreys ms. known distribution. Data adapted from literature and present paper. Presumptive sites of presence in UK (Marshall 1911) and Angola (Segers et al. 2009) not shown. Red dots: confirmed sites of presence (living specimens). Black dots: confirmed sites of presence (empty shells, which may include material coming from past thanatocoenoses). Black squares: unconfirmed sites of presence. Unconfirmed literature records preceded below by a question mark. Scale bar: 1500 km. Localities: (1) Râs el Amoûch (Algeria) (?Jeffreys 1874). (2) Izmir (Turkey) (?Jeffreys 1874). (3) Capo San Vito and Palermo (Italy) (di Monterosato 1874a, 1874b, 1878, 1890). (4) Madeira (Portugal) (?Jeffreys 1885;?Locard 1898; Segers et al. 2009). (5) Station 50 'Porcupine' expedition (Algeria: see Carpenter and Jeffreys 1870) (?Sikes 1925). (6) Station 56 'Porcupine' expedition (between Italy and Tunisia: see Carpenter and Jeffreys 1870) (? Sykes 1925). (7) Adventure Bank (Italy) (?Sykes 1925). (8) Gulf of Naples (Italy) (?Bellini 1929). (9) Canary Islands (Spain) (?Hernández Otero 1975; Rolán 2011). (10) Brindisi (Italy) (?Nordsieck 1976). (11) Oristano area (Italy) (?Silesu and Sosso 1987). (12) off Capraia Island (Italy) (Cecalupo and Giusti 1989). (13) Alboran Island and Alboran area (Spain) (Giannuzzi-Savelli et al. 1999; Peñas et al. 2006; Cossignani and Ardovini 2011). (14) Maltese Archipelago (Malta) (Cachia et al. 2001; Mifsud 2003). (15) Katavothres (Kefalinia, Greece) (?De Smit and Bába 2001). (16) La Herradura (Spain) (Bartolini 2006). (17) Garraf area (Spain) (Peñas et al. 2008). (18) Motril (Spain) (Perna 2013). (19) Thermaikos Gulf (Greece) (?Manousis and Galinou-Mitsoudi 2014). (20) Almeria (Spain) (Scaperrotta et al. 2016).