Notorhizodon
Encyclopedia
Notorhizodon is a genus
of prehistoric lobe-finned fish which lived during the Devonian
period (Givetian stage
, about 385 - 391 million years ago). It belonged to the family of Tristichopteridae
fishes. Fossils have been found in Antarctica and described by Young et al. in 1992. Notorhizodon probably lived in freshwater
s.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of prehistoric lobe-finned fish which lived during the Devonian
Devonian
The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 416.0 ± 2.8 Mya , to the beginning of the Carboniferous Period, about 359.2 ± 2.5 Mya...
period (Givetian stage
Faunal stage
In chronostratigraphy, a stage is a succession of rock strata laid down in a single age on the geologic timescale, which usually represents millions of years of deposition. A given stage of rock and the corresponding age of time will by convention have the same name, and the same boundaries.Rock...
, about 385 - 391 million years ago). It belonged to the family of Tristichopteridae
Tristichopteridae
Tristichopterids , were a diverse and successful group of tetrapodomorph fishes throughout the Late Devonian stage. They first appeared in the Givetian epoch of the Middle Devonian stage...
fishes. Fossils have been found in Antarctica and described by Young et al. in 1992. Notorhizodon probably lived in freshwater
Freshwater
Fresh water is naturally occurring water on the Earth's surface in ice sheets, ice caps, glaciers, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams. Fresh water is generally characterized by having low concentrations of dissolved salts and...
s.