Fredius denticulatus (H. Milne Edwards, 1853)

Boscia denticulata H. Milne Edwards, 1853: 208, French Guiana [Cayenne].

Pseudothelphusa denticulata – Young 1900: 207, Guyana [“I found specimens in the damp forest on the Calabash Creek behind Plantation Everton, Berbice ”]. — Rathbun 1904: 242, French Guiana [Guyane]. — Holthuis 1959a: 225, Suriname [rivers].

Pseudothelphusa Geayi Nobili, 1904: 127, type locality French Guiana. — Rathbun 1904: 242; 1905: 303, French Guiana [“ Guyane ”]. Accepted as Fredius denticulatus (H. Milne Edwards, 1853) in WoRMS (2023).

Fredius denticulatus – Magalhães 1998: 517, Brazil Amapá. — Magalhães & Pereira 2007: tab. 2, Suriname, French Guiana. — Vieira 2008: tab. 5.1: 69, Brazil Amapá [Tumucumaque National Park, between 2004–2006]. — Guinot et al. 2013: 293, French Guiana [Holotype of Pseudothelphusa geayi Nobili, 1904, MNHN-B5160 = MNHN-IU-2017-8047]. — Mantelatto et al. 2022a: tab. 1, Brazil Amapá [Brazil Amapá, Serrado Navio, INPA 582; Laranjal do Jari, INPA 2125; Rio Amapari MZUSP 16294].

Distribution/Habitat

WA (Guiana Shield); freshwater.