PaleoDB taxon number: 297578
Full reference: D. G. Taylor. 1998. Late Hettangian-early Sinemurian (Jurassic) ammonite biochronology of the western Cordillera, United States. Geobios 31:467-497
Type specimen: NWMNH 25022, a shell. Its type locality is Graylock section, B. oregonensis assemblage, which is in an Angulata marine limestone in the Graylock Formation of Oregon.
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): shell width 11.1, shell diameter 38.8