Schwagerina is an extinct fusulinacean genus of (Foraminifera that is used as an Early Permian index fossil. The overall shape of the shell or test is fusiform to subcylindrical, the spirotheca, or outer test wall, is thick, and composed of tectum and alveolar keriotheca;{Clarify|date=December 2012} the septa are fluted throughout the length of th...
Found on
http://en.wikipedia.org/wiki/Schwagerina
extinct genus of fusulinid foraminiferans, small, single-celled protozoans related to the modern amoeba but possessing a hard shell capable of being ...
Found on
http://www.britannica.com/eb/a-z/s/46
No exact match found.
