University of Michigan Museum of Paleontology

Address:

• University of Michigan Museum of Paleontology
• Biological Sciences Building
• 1105 North University Ave
• Ann Arbor, MI 48109-1085
• USA

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From their collection:

Aporrhais mexicana Kellum & Appelt, 1964; north tributary of Arroyo Ojo de Agua nearly 2 miles N 40° 15' E of the well at Ojo de Agua, Sierra de Tlahualilo, Coahuila State, Mexico; Aurora limestone, 133 ft. below the zone of Gryphaea mucronata, Albian, lower Cretaceous; Holotype; coll. UMMP 47498; photographed by Jennifer Bauer; copyright University of Michigan Museum of Paleontology