More than one thousand specimens preserve leafy axes and closed single-seeded fruits consistent with a submerged freshwater angiosperm, without fixing crown placement or flowering-plant ancestry.
Represented range125.77–121.4 Ma
RegionsEl Montsec and Las Hoyas, Spain
CladesMontsechia vidalii · Angiospermae
Claim ledger
ecology · medium
More than 1,000 Montsechia vidalii specimens from Barremian freshwater limestones preserve flexible leafy axes and closed single-seeded fruits; their morphology, thin cuticle, rare stomata and sedimentary context support a submerged freshwater habit without establishing the ecology of the angiosperm ancestor.