Pseudoamplexus
Appearance
Pseudoamplexus | |
---|---|
Pseudoamplexus from Lower Devonian of Coglians | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Cnidaria |
Class: | Hexacorallia |
Subclass: | †Rugosa |
Genus: | †Pseudoamplexus Smyshlyaeva 1948 |
Pseudoamplexus is an extinct genus of horn corals belonging to the order Rugosa.[1]
Fossil record
[edit]Fossils of Pseudoamplexus are found in marine strata from the Devonian to the Silurian (age range: from 439.0 to 391.9 million years ago.). Fossils are known from the Czech Republic, Italy, Russia, Tajikistan, United States and China.[1]
Description
[edit]Pseudoamplexus has a unique horn-shaped chamber with a wrinkled wall. These corals have a bilateral symmetry, with a skeleton made of calcite and divided by horizontal plates. They lived on the sea floor, in reef and in shallow subtidal waters.[1]
References
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