Full reference: D. G. Taylor. 1998. Late Hettangian-early Sinemurian (Jurassic) ammonite biochronology of the western Cordillera, United States. Geobios 31:467-497
Sister taxa: none
Type specimen: NWMNH 25030, a shell. Its type locality is New York Canyon, Shoshone Mountains (T. mullerense horizon), which is in a Semicostatum marine limestone in the Sunrise Formation of Nevada.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell diameter 74.0
Distribution: found only at New York Canyon, Shoshone Mountains (T. mullerense horizon)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.