Genus
Latvius Jarvik, 1948
List of species
1. Latvius grewingki (Gross, 1933) | Snetnaya Gora Substage
Classification
| Organism group | Biota |
| Kingdom | Animalia |
| Phylum | Chordata |
| Subphylum | Vertebrata |
| Organism group | Gnathostomata |
| Superclass | Osteichthyes |
| Class | Sarcopterygii |
| Subclass | Rhipidistia |
| Order | Osteolepiformes |
| Family | Osteolepididae |
| Subfamily | Glyptopominae |
| Genus | Cryptolepis |
| Glyptopomus | |
| Latvius | |
| Species | grewingki |
| Genus | Megadonichthys |
| Megapomus |