| BISMAL_Japan | Japan-filtered BISMAL Octopodoidea occurrence records |
| deduplicate | Remove duplicate rows |
| duplicate | Duplicate rows by a count column |
| GBIF_Japan | Japan-filtered GBIF Octopodoidea occurrence records |
| InvBase_Japan | Japan-filtered InvBase Octopodoidea occurrence records |
| italicize | Format taxonomic names for italic display in ggplot2 |
| latlong_column | Identify coordinate columns in a data frame |
| latlong_combine | Combine separate coordinate columns into one |
| latlong_convert | Convert coordinate formats |
| latlong_filter | Filter rows by real-world coordinate validity |
| latlong_format | Check the format of coordinate columns |
| latlong_hemisphere | Assign hemispheres to coordinates |
| latlong_limits | Report coordinate limits of a data frame |
| latlong_range | Filter rows by coordinate range |
| latlong_region | Filter rows by geographic region |
| latlong_split | Split a combined coordinate column into separate columns |
| museum | Combined Japan Octopodoidea occurrence records |
| museum_taxon | Taxonomically validated and enriched Japan Octopodoidea records |
| NSMT_Japan | Japan-filtered NSMT Octopodoidea occurrence records |
| OBIS_Japan | Japan-filtered OBIS Octopodoidea occurrence records |
| taxon_add | Add higher taxonomic rank columns |
| taxon_cite | Append authorship and year to taxonomic name columns |
| taxon_cleaner | Clean taxonomic name formatting |
| taxon_column | Identify taxonomic columns |
| taxon_combine | Combine genus and epithet columns into a binomial name |
| taxon_rank | Detect the taxonomic rank of a column |
| taxon_sort | Sort columns into standard taxonomic rank order |
| taxon_spellcheck | Check and correct taxonomic name spelling |
| taxon_split | Split a binomial name column into genus and epithet |
| taxon_validate | Validate taxonomic names against ITIS and GBIF |