Ramonalinidae Explained

Ramonalinidae is an extinct family of marine bivalve molluscs from the late Anisian (early Middle Triassic). It was an edgewise-recliner with a flattened anteroventral surface (on which it rested) and partially fused valves. They formed distinctive mud mounds.^[1]

Taxonomy

• Ramonalina is thus far the only known genus.^[1]

Notes and References

1. Yancey . T.E. . Wilson . M.A. . Mione . A.C.S.. 2009 . The Ramonalinids: a new family of mound-building bivalves of the Early Middle Triassic . Palaeontology . 52 . 6 . 1349–1361 . 10.1111/j.1475-4983.2009.00908.x. free .