Generic Data

Generic data for phylogenetic comparative analyses. Included in the data table are: Group1/2, taxonomic affiliation above the genus level; Occurrences, number of genus-level occurrences in North America; T_FAD, observed first appearance date; T_LAD, observed last appearance date; T_FAD50, sampling-adjusted first appearance date; T_LAD, sampling-adjusted last appearance date; LnMass, natural-log transformed estimated body mass (originally in grams); LnIBIL, natural-log transformed expected inter-birth interval length (originally in days).