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.[2]
Ramonalinidae Temporal range: | |
---|---|
Ramonalina ramanensis (Triassic, southern Israel) | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Mollusca |
Class: | Bivalvia |
Order: | Pteriida |
Superfamily: | †Ambonychioidea |
Family: | †Ramonalinidae Yancey et al. 2009[1] |
Genera | |
See text |
Taxonomy
edit- Ramonalina is thus far the only known genus.[2]
References
edit- ^ A Synoptical Classification of the Bivalvia (Mollusca)
- ^ a b 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. doi:10.1111/j.1475-4983.2009.00908.x.
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