Ductina
Encyclopedia
Ductina is a genus of trilobites of the order Phacopida
, family Phacopidae
, from the Lower Devonian
. These are usually small trilobites, rarely exceeding half an inch. They come from the Devonian time period and are found in Germany and China. Ductina is easily distinguishable from other genera in this family due to their lack of eyes.
Some Known Species and Locations.
Phacopida
Phacopida is an order of trilobite that lived from the Ordovician to the Devonian. It is made up of a morphologically diverse group of related suborders....
, family Phacopidae
Phacopidae
Phacopidae is a family of trilobites of the order Phacopida, including the following genera:*Acernaspis*Acuticryphops*Adastocephalum*Afrops*Ainasuella*Altaesajania*Ananaspis*Angulophacops*Arduennops...
, from the Lower 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...
. These are usually small trilobites, rarely exceeding half an inch. They come from the Devonian time period and are found in Germany and China. Ductina is easily distinguishable from other genera in this family due to their lack of eyes.
Some Known Species and Locations.
- Ductina dunctifrons, Germany.
- Ductina vietnamica, China.