Marisa cornuarietis (Linnaeus, 1758) Giant Rams-horn

Marisa cornuarietis (Linnaeus, 1758) Giant Rams-horn

Marisa cornuarietis (Linnaeus, 1758) Giant Rams-horn

Marisa cornuarietis (Linnaeus, 1758) Giant Rams-horn

    Along riverbank, Rio Pixiam, near Hotel Fazenda Santo Tereza, Mato Grosso, Brasil 8/29/2005 (25 and 27 mm.). Collected by Lenore McCullagh.