Synonymy:
Sagedia marina Deakin, Ann. Mag. nat. Hist., Ser. 2 13: 40 (1854)
Verrucaria marina (Deakin) Leight., Lich.-Fl. Great Brit. Irel. Chann. Isl.: 446 (1871)
Arthopyrenia marina (Deakin) A.L. Sm., Monogr. Brit. Lich. 2: 327 (1911)
Thelidium marinum (Deakin) Keissl., Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(1.2): 218 (1937)

Verrucaria leptotera Nyl., Flora, Regensburg 48: 212 (1865)
Segestrella leptotera (Nyl.) Branth & Rostr., Bot. Tidsskr. 3: 275 (1869)
Arthopyrenia leptotera (Nyl.) Arnold, Flora, Regensburg 53(30–31): 485 (1871) [1870]
Segestria leptotera (Nyl.) Blomb. & Forssell, Enum. Pl. Scand.: 104 (1880)
Thelidium leptoterum (Nyl.) Hellb., Bih. K. svenska VetenskAkad. Handl., Afd. 3 16(no. 1): 112 (1890)
Arthopyrenia litoralis var. leptotera (Nyl.) Boistel, Nouv. Fl. Lich. (Paris) 2: 276 (1903)
Pseudarthopyrenia leptotera (Nyl.) Keissl., Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(1.2): 451 (1937)

Sagedia marina f. tenuicula B. de Lesd., Recherch. Lich. Dunkerque: 258 (1910)
Arthopyrenia marina f. tenuicula (B. de Lesd.) Zahlbr., Cat. Lich. Univers. 1: 285 (1921) [1922]
Thelidium marinum f. tenuiculum (B. de Lesd.) Keissl., Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 9(1.2): 225 (1937)

Pseudarthopyrenia leptotera f. brachyspora Erichsen, Annls mycol. 40(3/4): 172 (1942)
Arthopyrenia leptotera f. brachyspora (Erichsen) Grummann, Cat. Lich. Germ. (Stuttgart): 14 (1963)

Position in classification:
Stigmidium, Mycosphaerellaceae, Mycosphaerellales, Dothideomycetidae, Dothideomycetes, Ascomycota, Fungi

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