Nannites
Encyclopedia
Nannites is a genus in the ammonoid cephalopod order Ceratitida
from the middle and upper Triassic
(Lanidian and Carnian) of the Alps, named by Mojsisovics (1897). Nannties is the type genus of the Nannitidae which has been placed in the Danubitaceae. Previously the Nannitidae was included in the Ptychitaceae along with the Ptychitidae and, Isculitidae.
Nannites is very small, subglobose, generally evolute and smooth, with a rounded venter, and simple goniatitic sutures.
Ceratitida
The Ceratitida is an order that contains almost all ammonoid cephalopod genera from the Triassic as well as ancestral forms from the Upper Permian, the exception being the phylloceratids which gave rise to the great diversity of post Triassic ammonites....
from the middle and upper Triassic
Triassic
The Triassic is a geologic period and system that extends from about 250 to 200 Mya . As the first period of the Mesozoic Era, the Triassic follows the Permian and is followed by the Jurassic. Both the start and end of the Triassic are marked by major extinction events...
(Lanidian and Carnian) of the Alps, named by Mojsisovics (1897). Nannties is the type genus of the Nannitidae which has been placed in the Danubitaceae. Previously the Nannitidae was included in the Ptychitaceae along with the Ptychitidae and, Isculitidae.
Nannites is very small, subglobose, generally evolute and smooth, with a rounded venter, and simple goniatitic sutures.