Laccognathus grossi
Encyclopedia
Laccognathus grossi is an extinct lobe-finned fish from eastern Europe
. They existed during the Middle Devonian. The species
is named after Walter Gross, who collected the first Laccognathus
fossils belonging to L. panderi
.
L. grossi was first recovered from the Middle Devonian Lode Formation of Latvia
by Emiliya Ivanovna Vorobyeva, who described it as a specimen of the known species L. panderi. Upon closer examination in 2005, she redescribed the specimen (as well as the genus
) under the new name L. grossi.
Europe
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
. They existed during the Middle Devonian. The species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
is named after Walter Gross, who collected the first 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...
fossils belonging to L. panderi
Laccognathus panderi
Laccognathus panderi is an extinct lobe-finned fish from eastern Europe. They existed from the Middle Devonian to the Late Devonian .L...
.
L. grossi was first recovered from the Middle Devonian Lode Formation of Latvia
Latvia
Latvia , officially the Republic of Latvia , is a country in the Baltic region of Northern Europe. It is bordered to the north by Estonia , to the south by Lithuania , to the east by the Russian Federation , to the southeast by Belarus and shares maritime borders to the west with Sweden...
by Emiliya Ivanovna Vorobyeva, who described it as a specimen of the known species L. panderi. Upon closer examination in 2005, she redescribed the specimen (as well as the genus
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...
) under the new name L. grossi.
See also
- SarcopterygiiSarcopterygiiThe Sarcopterygii or lobe-finned fishes – sometimes considered synonymous with Crossopterygii constitute a clade of the bony fishes, though a strict classification would include the terrestrial vertebrates...
- List of sarcopterygians
- List of prehistoric bony fish