Trilobita - Corynexochida - Cheilocephalidae

Alternative combinations: Illaenurus dia, Nileus dia

Belongs to Macelloura according to C. E. Resser 1935

Sister taxa: none

Type specimen: USNM 23865

Ecology: nektobenthic carnivore

Distribution: there are no occurrences of Macelloura dia in the database

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Specimen images are retrieved through the ePANDDA API.