Holoptychiidae
Encyclopedia
Holoptychiidae is an extinct family
of lobe-finned fishes which lived during the Devonian period. At least one genus, Laccognathus
, is thought to have been amphibious
.
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...
of lobe-finned fishes which lived during the Devonian period. At least one genus, Laccognathus
Laccognathus
Laccognathus is an extinct genus of amphibious lobe-finned fish from Europe and North America. They existed from the Middle Devonian to the Late Devonian...
, is thought to have been amphibious
Amphibious fish
Amphibious fish are fish that are able to leave water for extended periods of time. About 11 distantly related genera of fish are considered amphibious. This suggests that many fish genera independently evolved amphibious traits. These fish use a range of terrestrial locomotory modes, such as...
.