Ramonalinidae
Ramonalinidae is an extinct family of marine bivalve molluscs from the late Anisian. It was an edgewise-recliner with a flattened anteroventral surface and partially fused valves. They formed distinctive mud mounds.
Ramonalinidae is an extinct family of marine bivalve molluscs from the late Anisian. It was an edgewise-recliner with a flattened anteroventral surface and partially fused valves. They formed distinctive mud mounds.