Full reference: K. Shimada, B. J. Welton, and D. J. Long. 2014. A new fossil megamouth shark (Lamniformes, Megachasmidae) from the Oligocene-Miocene of the western United States. Journal of Vertebrate Paleontology 34(2):281-290
See also Landini et al. 2019
Sister taxa: none
Type specimen: LACM 122190, a tooth (complete tooth). Its type locality is Pyramid Hill Sand Member grit zone, which is in a Chattian marine sandstone in the Jewett Formation of California.
Ecology: fast-moving nektonic suspension feeder-carnivore
• Oligocene to Miocene of Peru (1)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.