Fauna Taxon Ontology - Eastern US — Megalonaias Ontology: Fauna Taxon Ontology - Eastern US Parent: Unionidae Children: Megalonaias nervosa Datasets that use Megalonaias Koster-N Horizon 11 Flotation Hill Horizon 11 Koster-N Horizon 11 Macro Boon Horizon Eleven Dataset Koster-N HILL Other Horizons (4,6,9AB and 12) Macro Koster-N Horizons 8A-10B Micro Koster-N Horizon 8A-10B Macro Indeterminate File Horizon Eleven Trial Dataset