abundanceMatrix         Create a community matrix of taxon abundances
ageRanges               Find the age range for each taxon in a
                        dataframe
cleanTaxonomy           Clean taxonomic names
constrainAges           Constrain a dataset to only occurrences within
                        a certain age-range
cullMatrix              Cull rare taxa and depauperate samples
downloadPBDB            Download Occurrences from the Paleobiology
                        Database
downloadPaleogeography
                        Downloads paleogeographic maps
downloadPlaces          Download Shapefile of Places
downloadTime            Download geologic timescale
fixedLatitude           Download fixed-latitude equal-area grid
multiplicativeBeta      Multiplicative Diversity Partitioning
presenceMatrix          Create a matrix of presences and absences
taxonAlpha              Additive Diversity Partitioning functions
