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Atlas
All Species
Geology
Chordata
Chondrichthyes
Sclerorhynchiformes
Sclerorhynchidae
Ischyrhiza
Ischyrhiza avonicola
Ischyrhiza avonicola
Phylum:
Chordata
Class:
Chondrichthyes
Order:
Sclerorhynchiformes
Family:
Sclerorhynchidae
Genus:
Ischyrhiza
Species:
Ischyrhiza avonicola
Estes, 1964
Information
Images
Maps
Geological Range
Maastrichtian
Paleogeographic Distribution
Texas to North Dakota
Stratigraphic Occurrences
Maastrichtian
Escondido Formation (TX)
Fox Hills Formation (ND)
Kemp Formation (TX)
Navarro Formation (TX)
Unknown Stage
Hell Creek Formation (MT)
Lance Formation (WY)
Ischyrhiza avonicola
from the Maastrichtian Fox Hills Fm. of North Dakota. Image is derived from Hoganson et al. (2019; Bulletins of American Paleontology No. 398) and is used here with permission of the Paleontological Research Institution, which retains the copyright.
Stratigraphic position unknown