Cerithium perversum var. pallescens Jeffreys, 1867

Cerithium perversum var. pallescens Jeffreys, 1867: 262 .

Triforis adversa var. pallescens (Jeffreys, 1867) — Monterosato 1878a: 98.

Triforis perversus var. pallescens (Jeffreys, 1867) — Bucquoy et al. 1884: 212.

Triphora pallescens (Jeffreys, 1867) — Bouchet & Guillemot 1978: 352, fig. 2, 9, 12, 19, 24.

Cheirodonta pallescens (Jeffreys, 1867) — Bouchet 1985: 52, fig. 3, 10–11, 34.

Type locality. Guernsey.

Type material. USNM 62160, lectotype and paralectotypes in current catalogues under the same number .

Distribution. Cape Verde (Fernandes & Rolán 1988; Fernandes & Rolán 1991; Ardovini & Cossignani 2004; Rolán 2005), Croatia (Romani et al. 2018), France (Bouchet 1985), Israel (Mediterranean) (Albano et al. 2020), Italy (Monterosato 1878a), Malta (Cachia et al. 1996), Portugal, Azores (Ávila et al. 1998; Ávila 2000; de Frais Martins et al. 2009), Portugal, Madeira (Segers et al. 2009), Spain (Fretter & Graham 1982; Templado 1986; Taruella Ruestes 2002; Peñas et al. 2006; Oliver Baldoví 2007; Gofas et al. 2011), Tunisia (Bouchet 1985), United Kingdom (Jeffreys 1867; Bouchet & Guillemot 1978; Fretter & Graham 1982; Seaward 1982).

Remarks. Lectotype designation by Bouchet & Guillemot (1978).

(†) Trochus perversus Linnaeus, 1758

Trochus perversus Linnaeus, 1758: 760 .

Trocho perverso Linnaeus, 1758 — Chemnitz 1786: 126, pl. 113, fig. 966.

Cerithium perversum (Linnaeus, 1758) — Bosc 1824: 180.

Triphoris perversus (Linnaeus, 1758) — Chenu 1859: 284, fig. 1914.

Triforis perversa (Linnaeus, 1758) — Weinkauff 1868: 167.

Triforis perversum (Linnaeus, 1758) — Woodward 1870: 642, pl. 8, fig. 18.

Triforis perversus (Linnaeus, 1758) — Monterosato 1875: 37.

Triforis perversus non Deshayes— Granger 1880: 150.

Biforina perversa (Linnaeus, 1758) — Monterosato 1884: 126.

Triforis (Biforina) perversa (Linnaeus, 1758) — Dautzenberg 1895: 368.

Triphora perversa (Linnaeus, 1758) — Melvill 1918: 150.

Triforis (Monophorus) perversa (Linnaeus, 1758) — Dautzenberg 1927: 105.

Triphora (Triphora) perversa (Linnaeus, 1758) — Sieber 1937: 475.

Biforina (Biforina) perversa (Linnaeus, 1758) — Gründel 1975: 151, pl. 1–5, fig. 1–2.

Monophorus perversus (Linnaeus, 1758) — Bouchet 1985: 20, fig. 5–7, 20–21, 37.

Type locality. Mediterranean.

Type material. Type material not located so far.

Distribution. Adriatic Sea (Jeffreys 1885), Albania (Dhora 2009), Algeria (Weinkauff 1868), Angola (Bouchet 1985; Rolán & Peñas 2001), Australia (Woodward 1851), Austria (Auinger 1856; Sieber 1937), Baltic Sea (Jagnow & Gosselck 1987), Bay of Biscay (Dautzenberg 1927), Black Sea (Jeffreys 1885; Golikov & Starobogatov 1972), Croatia (Romani et al. 2018), Denmark (Jeffreys 1867; Lorenz 1998), Egypte (Jeffreys 1885), France (Payraudeau 1826; Kiener 1841; Lamarck 1843; Woodward 1851; Weinkauff 1868; Benoist 1873; Granger 1880; Locard 1886; Bucquoy et al. 1890; Smith 1890; Locard 1892; Bouchet & Guillemot 1978; Gougerot & Le Renard 1981; Bouchet 1985), Germany (Meyer & Mobius 1872; Koenen 1883; Anderson 1960; Anderson 1964; Janssen 1967), Greece (Jeffreys 1867; Weinkauff 1868; Manousis & Galinou-Mitsoudi 2014), India (Melvill & Standen 1901), Iran (Melvill & Standen 1901), Ireland (Jeffreys 1867), Israel (Barash & Danin 1992; Albano et al. 2020), Italy (Philippi 1836; Philippi 1844; Scacchi 1857; Jeffreys 1867; Weinkauff 1868; Aradas & Benoit 1870; Monterosato 1875; Aradas & Benoit in Kobelt 1876; Monterosato 1878a; Nordsieck 1968b; Gründel 1975; Richter & Thorson 1975; Nordsieck 1982; Seaward 1982; Cavello & Repeto 2009; Vazzana 2010; Albano & Sabelli 2012), Ivory Coast (Bouchet 1985; Rolán & Peñas 2001), Lebanon (Crocetta et al. 2020), Malta (Cachia et al. 1996), Morocco (Weinkauff 1868; Jeffreys 1885; Ardovini & Cossignani 2004), Norway (Woodward 1851; Jeffreys 1867; Weinkauff 1868; Jeffreys 1885; Watson 1886; Kobelt 1908; Nordsieck 1968a), Persian Gulf (Melvill 1918; Hosseinzadeh et al. 2001; Ahmadreza et al. 2012; Kohan et al. 2012; Kohan & Barbardast 2012; Amini-Yekta & Dekker 2021), Poland (Friedberg 1914; Baluk 1975), Portugal (Weinkauff 1868; Smith 1890; Hidalgo 1917), Portugal, Azores (Weinkauff 1868; Jeffreys 1885; Watson 1886; Smith 1890; Ávila et al. 1998; Ávila 2000), Portugal, Madeira (Jeffreys 1867; Weinkauff 1868; Jeffreys 1885; Watson 1886; Smith 1890; Locard 1897; Kobelt 1908; Nordsieck 1968a), Romania (Boettger 1901; Boettger 1907; Grossu 1986), Senegal (Bouchet 1985; Rolán & Peñas 2001), Saint Helena (Smith 1890), São Tomé Island (Fernandes & Rolán 1993), Spain (Weinkauff 1868; Hidalgo 1917; Bouchet 1985; Templado 1986; Giribet & Peñas 1997; Taruella Ruestes 2002; Peñas et al. 2006; Tarruella Ruestes & Soriano 2006; Oliver Baldoví 2007), Spain, Canary Islands (Jeffreys 1867; Weinkauff 1868; Jeffreys 1885; Watson 1886; Tryon 1887; Smith 1890; Kobelt 1908; Nordsieck 1968a; Bouchet 1985; Rolán & Peñas 2001; Ardovini & Cossignani 2004; Gofas et al. 2011), Sweden (Jeffreys 1867; Jeffreys 1885), Syria (Pallary 1912; Pallary 1919; Pallary 1938), The Netherlands (Nordsieck 1972), Tunisia (Weinkauff 1868; Dautzenberg 1895, Bouchet 1985). Turkey (Demir 2003), United Kingdom (Jeffreys 1867; Weinkauff 1868; Fretter 1951; Seaward 1982).

Geological age. Miocene (Benoist 1873; Boettger 1901; Boettger 1907; Friedberg 1914; Sieber 1937; Anderson 1964; Janssen 1967; Nordsieck 1972; Baluk 1975), Oligocene (Koenen 1883; Kobelt 1908; Anderson 1960), Eocene (Harris & Burrows 1891; Gougerot & Le Renard 1981).

Remarks. The record from Woodward (1851), Jeffreys (1885), Melvill & Standen (1901) and Smith (1890) from Australia, Egypt, India, Iran and Saint Helena are misidentifications. Golikov & Starobogatov (1972) reported Triphora perversa from the Black Sea but they listed as synonyms many names now considered Marshallora adversa (Montagu, 1803) . It is thus unclear which species the authors referred to. Cerithium maroccanum Bruguière, 1792, Trochus seriatus Muhlfeld, 1824, Triforis benoitiana Aradas, 1869, Triforis perversa var. cylindrata Monterosato, 1878, Triforis (Biforina) perversa var. gracilis Dautzenberg, 1895 and Triforis perversa var. elongata Pallary, 1906 are considered junior synonyms of Trochus perversus Linnaeus, 1758 (Tryon 1887; Bouchet 1985). Tryon (1887) suggested that Cerithium inversum de Lamarck, 1804, Cerithium tuberculare de Blainville, 1828 and Murex granulosus Brocchi, 1814 are junior synonyms of Trochus perversus Linnaeus, 1758 .