What is a Tiktaalik fish?
Tiktaalik. The Tiktaalik "fish" are another example of lobe-finned "fish", and have a lot in common with tetrapods. They came from the late Devonian time period, but became extinct in the end of the Cretaceous time period. They are one of the first known fishes with a neck; they, also, had primitive lungs and gills, ...
What are the two groups of squids and belemnites?
Goniatite Ammonites. The Goniatite Ammonites are related to the squid, octopus, and belemnites, which all form the class Goniatitida. They were cephlopods, and usually were in the deeper parts of water. Goniatite Ammonites were one of the new species found in the Devonian time period; they were also abundant.
What is a coelacanth fish?
The Coelacanth fish, which means "hollow fish", is a famous fish species, that is known as "the living fossil", because they were thought to be extinct for nearly 80 million years. They are related to the lung-fish and the tetrapods. In 1938, one of them was caught in a net with other kinds of fish in the Indian Ocean. Soon, after that, a local chemistry professor confirmed that it was an important discovery. Then, in 1952, another fish was caught in the Comoros Islands; many other coelacanth fishes have been obtained in near areas. Later, it was found out that the fishes were known about by the islanders; who ate the fish dried with salt. Then, in 1998, a second discovery of the type of fish was found in Indonesia. In my personal opinion, I think that they're a kinda ugly looking fish... Let the pictures below explain my thoughts.
What was the climate like during the Devonian period?
Continent placement during the Devonian. During the Devonian time period the climate was relatively warm ; there probably weren't any glaciers during this time period. The time period is named after Devon, England, where the type of rocks from this period were first studied.
Why is the Devonian period called the age of fishes?
The reason why the Devonian time period is called "the age of fishes" is because of the diverse, abundant, and somewhat weird types of fish that existed during this period in time . During the end of the Devonian period the first forests began to grow.
Where are goniatite fossils found?
They can be found in: North America, Europe, North Africa, and Australasia. Goniatite fossils may be used as index fossils, which helps in dating the rock layer they're found in.
Where is the Palaespondylus Gunni fossil found?
The Palaespondylus Gunni fossil was found in 1890, by two cousins named Gunni; it was found primarily in Caithness, Scotland. The Palaespondylus Gunni is a rare fossil; only found a few other times in nearby locations. It's minute in size, and has a structure unlike most other fish.
