Pleuronautilus [SEP] parent taxon
Pleuronautilus
Pleuronautilus is a Nautiloid genus; family Tainoceratidae, order Nautilida.
Description.
The shell is evolute, discoidal; whorl section subquadrade, flanks generally straight but may converge toward the venter. Inner flanks have course ribbing, outer have rows of nodes. Sutures have shallow ventral, lateral, and dorsal lobes. Its siphuncle is small and approximately central.
Fossil records.
"Pleuronautilus" has been found in Upper Permian marine limestone in Armenia, China, and Iran, sometimes associated with orthocerids, ammonoids
loczyi" Fliegel 1901
- †"Pleuronautilus magnicostatus" Miller 1945
- †"Pleuronautilus magnus" Zheng 1984
- †"Pleuronautilus mariani" Airaghi 1902
- †"Pleuronautilus megaporus" Miller 1945
- †"Pleuronautilus mosis" Mojsisovics 1882
- †"Pleuronautilus multicostatus" Etheridge Jr. 1907
- †"Pleuronautilus mutatus "Miller 1945
- †"Pleuronautilus praecursor" Girty 1909
- †"Pleuronautilus qinghaianus" Wang and Chen 1979
- †"Pleuronautilus russkiensis" Zakharov 1978
- †"Pleuronautilus shumardianus" Girty 1909
- †"Pleuronautilus sumatrensis" Fliegel 1901
- †"Pleuronautilus venustus" Reed 1944
-