Selaginella and Desfontainia, are what kind of item?
Desfontainia Desfontainia is a genus of flowering plants placed currently in the family Columelliaceae, though formerly in Loganiaceae, Potaliaceae (now subsumed in Gentianaceae), or a family of its own, Desfontainiaceae.
Pelagic cod The pelagic cod ("Melanonus gracilis") is a small deepwater fish found in the Southern Ocean. It is one of only two species currently classified in the family Melanonidae, the other being the arrowtail, "Melanonus zugmayeri".