Elasmosauridae is represented by the taxa sampled in O’Gorman’s revised matrix and paleobiogeographic analysis; the recovered topology and recognized Cenomanian/Santonian intervals are study results, not exact family-wide origin or extinction boundaries. This navigation entry is not a phylogeny or a complete taxon dossier.
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Elasmosauridae is represented by the taxa sampled in O’Gorman’s revised matrix and paleobiogeographic analysis; the recovered topology and recognized Cenomanian/Santonian intervals are study results, not exact family-wide origin or extinction boundaries.
claim:taxon:elasmosauridaeThe reappraised Aphrosaurus furlongi material from the Maastrichtian Moreno Formation supports a 72.1–66 Ma elasmosaurid study-sample window, not exact family-wide origin or extinction.
claim:taxon:elasmosauridae:range-boundary