Halicore:

Halicore australis:

Halicore australis Retz., Mammals: Dugongidae: See Dugong dugon PLS Müller.

Halicore indicus:

Halicore indicus Desmar., Mammals: Dugongidae: See Dugong dugon PLS Müller.

I have no articles for this botanical term, but there might be some for the next level down (if found).