Neritina

_Neritina_ is now living in the West India waters, and the species found at Pebas retains its peculiar markings.

The Andes and the Amazon Across the Continent of South America James Orton 1853

Neritina, -- all shells of unequivocally fresh-water origin, -- which must have been formed, he concludes, in either a lake or estuary.

The Cruise of the Betsey or, A Summer Ramble Among the Fossiliferous Deposits of the Hebrides. With Rambles of a Geologist or, Ten Thousand Miles Over the Fossiliferous Deposits of Scotland Hugh Miller 1829