genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of freshwater sponges in the family
Spongillidae
Spongilidae is a family of sponges that live in freshwater lakes and rivers. The following genera are recognized in the family:
* '' Anheteromeyenia'' Schröder, 1927
* '' Corvoheteromeyenia'' Ezcurra de Drago, 1979
* '' Corvospongilla'' Annanda ...
. It was defined by Penney and Racek in 1968. The
type species
In International_Code_of_Zoological_Nomenclature, zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the spe ...