A new hybodont shark from the Chinle and Bull Canyon formations, Arizona, Utah and New Mexico. New Mexico Museum of Natural History and Science, Bulletin, 21, 87–106.
Relationships of Late Triassic basin evolution and faunalreplacement events in the southwestern United States: perspectives from the upper part of the Chinle Formation in northern Arizona. New Mexico Museum of Natural History and Science, Bulletin, 3, 233–242.
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