†Protohesperonomia (lamp shell)
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Rhynchonellata - Orthida - Hesperonomiidae
Parent taxon: Hesperonomiidae according to A. Williams et al. 2000
See also Sepkoski 2002
Sister taxa: Hesperonomia, Hesperonomiella, Mollesella, Monorthis, Murjukiana, Treioria, Zhanorthis
Subtaxa: Protohesperonomia resupinata
Ecology: stationary epifaunal suspension feeder
Distribution:
• Arenig of Argentina (1 collection)
• Ordovician of Argentina (1), Ireland (1)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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