- 03 August 2022
- Released a new version of the atlas.
- Released a state and county checklist document and individual one-page county checklists, available from each county page.
- Updated with new information and data through the 2021 collecting year.
- 09 April 2021
- Added base maps for historical vegetation cover, presettlement prairie, geology, and transportation and an introductory section for each on the Missouri page.
- 08 April 2021
- Released a new version of the atlas.
- Released a state and county checklist document and individual one-page county checklists, available from each county page.
- Updated with new information and data through the 2020 collecting year.
- 25 February 2020
- Released a new version of the atlas.
- Released a state and county checklist document and individual one-page county checklists, available from each county page.
- Updated with new information and data through the 2019 collecting year.
- 17 February 2019
- Released a new version of the atlas.
- Released a state and county checklist document and individual one-page county checklists, available from each county page.
- Updated with new information and data through the 2018 collecting year.
- 28 February 2018
- Released a new version of the atlas.
- Released a state and county checklist document and individual one-page county checklists, available from each county page.
- Updated with new information and data through the 2017 collecting year.
- 01 June 2017
- Added two introduced lizards (Podarcis siculus and Hemidactylus turcicus) to the species list.
- Released a new version of the atlas.
- Released a state and county checklist document and individual one-page county checklists, available from each county page.
- Updated with new information and data through the 2016 collecting year.
- 05 April 2016
- Added a link in the FAQ to the new record submission form.
- 15 November 2014
- Updated all localities, sources, and collectors maps with earliest and latest years.
- 18 February 2014
- Released a new version of the atlas.
- Released a state and county checklist document and individual one-page county checklists, available from each county page.
- 25 January 2014
- Reverted to using the most restrictive common name possible for Missouri subspecies.
- 18 January 2014
- Created new properly proportioned browser tab icon for site.
- 16 January 2014
- Added new Field Guides name comparison list to the species section.
- 12 January 2014
- 16 October 2013
- Added list of categories and questions to the top of the FAQ page.
- 15 September 2013
- Removed "open circle" county records from county species lists.
- 08 September 2013
- Rewrote About page. Now includes a section for contributions.
- 02 September 2013
- Verified and updated all taxonomic authorities.
- 29 August 2013
- Added alt tags to species map images.
- 05 June 2013
- Miscellaneous fixes to species history and Missouri pages.
- 05 April 2013
- Changed the table of contents area at the top of all pages to be a bar along the top rather than a floating box.
- New print stylesheet added. The new style removes most visual elements on the page to leave the reader with a clean document for printing.
- Added dynamic projects counts to the Project page.
- Added a map for all localities.
- Added project maps for source, decade, year, and collector and linked the sources list to the source maps.
- Wrote a complete article for the Missouri page.
- Added labelled and tool-tip maps for Missouri counties; Level I, Level II, Level III, and Level IV ecoregions; natural divisions and sections; major rivers; major watersheds; and ecological drainage units.
- Added a collection summary for Missouri with the same format as the collection summaries for each county.
- Added a species history page that describes changes in taxonomic and nomenclature, explains our policy with common names, lists new species for the state since Johnson (2000), and has a brief list of potential species for Missouri.
- Taxon and county profile pages now have links to show each section. The default for each profile is to show all sections.
- Recent taxon synonymy added to the database so previously valid URLs pointing to a taxon account will still get to the same place. For an example, see Rana blairi and note that the page displayed is for the currently accepted name.
- Added a Linnaean classification section to each taxon account. See Terrapene carolina for an example.
- Added a recent taxonomic synonyms section to each taxon account. See Anaxyrus americanus for an example.
- Rewrote the potential county / taxon algorithm to be more restrictive and informative.
- Updated all maps, collection summaries, and potential county / taxon lists based on 2012 collecting data.
- Inspected and fixed links page. Section for "Other States" excluded. Readers are encouraged to see the list of other herpetological atlas projects provided by USGS instead.
- Added faqs for nomenclature, synonymy, and discrepancies with Johnson (2000).
- Minor editing on the copyright page.
- Replaced Adobe PDF verbiage and icons with ISO verbiage and pdfreaders.org icons on publications page.
- Released a new version of the atlas.
- 09 February 2012
- Added new species maps based on data through the 2011 collecting season.
- Released a new version of the atlas.
- 17 September 2011
- Added icons to the collection summary list to distinguish between county records and "open circle" records.
- Added potential county record list to each species page.
- Added potential species list to each county page.
- 24 April 2010
- Updated summary collection list for each county and taxon to include data through the 2009 collecting season.
- 07 April 2010
- Released a new version of the atlas, including simplex and duplex versions, and the option to download black and white base maps. All are available on the publications page.
- 21 March 2010
- Replaced home page top-level links table layout scheme with a definition list.
- 31 October 2009
- Added summary collection list for each county and taxon.
- 13 March 2009
- Updated and fixed links.
- 23 February 2009
- Updated copyright year to current year.
- 02 May 2008
- Added xmlns definition to html tags on pages that lacked them. Also did some other validation cleanup. This had the effect of setting the "last updated" date and time for any changed pages to a date from this last week.
- 15 April 2008
- Added 2007 update for printed atlas on publications page.
- Added clickable county map and county list.
- Added group list as the default listing to the species page.
- Added a table of contents box to most pages.
- Added infrastructure for individual county pages (click Adair County, Missouri for an example).
- Added infrastructure for individual species pages (click Siren intermedia for an example).
- Added maps and text to Missouri page.
- Added text to project site.
- Created new history category for milestones on the project site.
- Redesigned home page.
- Updated about this site.
- Updated copyright page.
- Updated FAQ explaining accuracy used on the atlas maps.
- Updated FAQ with the dates that sources were added to the atlas.
- Updated formatting of FAQ page.
- Updated nomenclature and taxonomy according to the most recent SSAR checklist.
- Upgraded forum to PHPBB version 3.
- 01 October 2007
- Added presentation from this year's MHA meeting to the publications page.
- Added offer to change any section of site to a PDF document upon request to the About This Site page.
- Added web site citation to the publications page.
- 21 September 2007
- Added presentation documents to publications site.
- Fixed and augmented links on the links page.
- 30 August 2007
- Verified links.
- 09 May 2007
- Added answers to the FAQ for availability of records, using maps to determine localities, subspecies, and coordinate determination.
- 05 May 2007
- Added answer to urban areas question.
- Changed citation text for atlas versions to add update year in parentheses.
- 30 April 2007
- 11 April 2007
- Changed site name to "Missouri Herpetological Atlas Project", reserving the name "Atlas of Missouri Amphibians and Reptiles" for the printed atlas.
- Further tweaking of the FAQ page design.
- Updated citation style for atlas versions.
- 10 April 2007
- Updated and styled FAQ list.
- 07 April 2007
- Added and update questions and answers on the FAQ page.
- Added custom 404 error page.
- 26 February 2007
- Converted and changed links to a standardized table read. Distribution and field guide links moved to the atlas link site from the MHA links site.
- Converted site history to a database table read rather than hard-coded lists.
- 23 February 2007
- Added a taxonomic listing, alphabetical species listing, and alphabetical common names listing to the Species section.
- 29 January 2007
- Added forum.
- Modified banner logo and menu items.
- 28 January 2007
- Combined original mobionet concept design with atlas redesign.
