Rem: There are records from the upper intertidal in North America (Coates & Healy 2008).
12. Fridericia agricola Moore, 1895
Distr: BRA: SP: São Paulo, state university campus (Christoffersen 1973, p. 340; Bittencourt 1974, p. 374); Engenheiro Marsilac (Christoffersen 1979 b, p. 47).
Furth. Distr: North America (Schmelz 2003, p. 98).
Rem: Terrestrial species (Römbke 2007, p. 163).
13. Fridericia bisetosa (Levinsen, 1884)
Distr: VEN: Edo Aragua: Caripe river; Guarapiche river; Cuyagua river; Edo Sucre: near Cumanacoa: Jaguaracual brook (Botea 1987, p. 71). BRA: SP: São Paulo: Osasco (Bittencourt 1974, p. 374). Furth. Distr: North America and Europe (Schmelz 2003, p. 130).
Rem: Terrestrial species (Römbke 2007, p. 163).
14 *. Fridericia loretensis Schmelz, 2003
Syn. for South America: Fridericia callosa, Č ernosvitov, 1937 b (non Neoenchytraeus callosus Eisen, 1878).
Distr: ARG: Upper Paraná river: Misiones: Loreto, beyond Santa Ana (Č ernosvitov 1937 b, p. 154). Rem: Terrestrial species (Cernosvitov 1937 b, p. 154).
15. Fridericia peregrinabunda Michaelsen, 1913
Other name in South America: Fridericia bollonsi Benham, 1915. Distr: BRA: SP: Pirassununga: Birigui; São Paulo: State university campus (Christoffersen 1976, p. 244); Engenheiro Ferraz (Christoffersen 1979 b, p. 50).
Furth. Distr: Africa, Asia, Australia, and New Zealand (Schmelz 2003, p. 291). Rem: Terrestrial species (Römbke 2007, p. 163).
16. Fridericia pretoriana Stephenson, 1930
Other name in South America: Fridericia striata, Ude, 1896 (non Levinsen, 1884). Distr: ARG (Bell 1962, p. 159). URU: Montevideo: Prado and Cerro (Ude 1896, p. 29). Furth. Distr: Mediterranean and South Africa (Schmelz 2003, p. 306).
Rem: Terrestrial species, not found in wet or moist soils (Schmelz 2003, p. 306).