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Ampyx spongiosus

Trilobita - Trinucleida - Raphiophoridae

Taxonomy
Ampyx spongiosus was named by Fortey (1975). Its type specimen is PMO NF 2021, an exoskeleton, and it is a mold.

Sister species lacking formal opinion data
A. nitidus, A. ouralti, A. pater, A. repulsus