Placodermi - Ptyctodontida - Ptyctodontidae

Synonym: Acantholepis Newberry 1875 [replaced name]

Parent taxon: Ptyctodontidae according to R. Denison 1978

See also Hay 1902 and Sepkoski 2002

Sister taxa: Acmoniodus, Bulbocanthus, Chelyophorus, Ctenurella, Desmoporella, Goniosteus, Materpiscis, Palaeomylus, Ptyctodopsis, Ptyctodus, Ramphodus, Rhynchodus, Rinodus

Subtaxa: Eczematolepis fragilis Eczematolepis pustulosus Eczematolepis telleri

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Type: Eczematolepis fragilis

Ecology: nektonic carnivore

Distribution: found only at Near Posen, Presque County (Devonian of Michigan)

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Specimen images are retrieved through the ePANDDA API.