Cephalopoda - Ammonitida - Engonoceratidae
Full reference: W. J. Kennedy, N. H. Landman, and W. A. Cobban. 1998. Engonoceratid ammonites from the Glen Rose Limestone, Walnut Clay, Goodland Limestone, and Comanche Peak Limestone (Albian) in Texas. American Museum Novitates 3221:1-40
Belongs to Engonoceras according to W. J. Kennedy et al. 1998
Sister taxa: Engonoceras belviderense, Engonoceras complicatum, Engonoceras duboisi, Engonoceras emarginatum, Engonoceras gibbosum, Engonoceras hilli, Engonoceras iris, Engonoceras pierdenale, Engonoceras retardum, Engonoceras serpentinum, Engonoceras serpentinum, Engonoceras stolleyi, Engonoceras subjectum, Engonoceras wilkinsoni
Type specimen: USNM 486462, a shell
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): diameter 49.5
Distribution: found only at Ash Creek, 500 m SE of Azle [Glen Rose Limestone] (Cretaceous of Texas)
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.