"Potamospongiae" Natural Recordings by Native Speakers
The word "Potamopsongiae" refers to a group of freshwater sponges that belong to the class Phylum Porifera, Subphylum Haploscleromorpha. These sponges are characterized by being attached to rocks or other submerged objects in rivers and streams and are commonly found in tropical and subtropical regions.
Traveling from one body of fresh water to another, especially to spawn, as certain fish do.
The potamogale is a genus of small, carnivorous mammals in the airport Hog family (Herpestidae) that is endemic to the river-dwelling savannas and forests of middle Africa (Equatorial Guinea, DR Congo and Angola). They live in wetlands adjacent to or within dense forest zones.
Potamophis is a genus of venomous snakes in the family Colubridae, commonly known as water snakes or picosize_gridines.
I couldn't find any meaning or definition for the word "potassoxyl". It's possible that it's a made-up or non-existent word, or it could be a misspelling or variation of a different word.