| Group/formation name | Group/formation name |
|---|
| Haute Marne - France | Hay River - A, B, C, D, E, Escarpment, lower, - Canada |
| Hauts-de-Narbonne - Garrabe, Pech Montredon, - France | Hayang/Chilgog - South Korea |
| Hauts-de-Narbonne - Garrabe, - France | Hayang/Geoncheonri - South Korea |
| Havalbet - Uzbekistan | Hayang/Gugyedong - South Korea |
| Havensville - United States | Hayang/Haman - South Korea |
| Haverford - St. Martin's Cemetery, - United Kingdom | Hayang/Jeomgog - South Korea |
| Haverford Mudstone - Gasworks Mudstone, Gasworks Mudstone (?), - United Kingdom | Hayang/Jindong - South Korea |
| Hawashya - Egypt | Haybes/Fépin - France |
| Hawhorn/Parchucla - United States | Haycock Marl - Australia |
| Hawk Shale - United States | Hayden Branch - United States |
| Hawker/Ajax Limestone - Australia | Haymeadow Creek - United States |
| Hawker/Wilkawillina - Upper, - Australia | Haymeadow Creek Shale - United States |
| Hawker/Wilkawillina Limestone - Second Plain Creek, - Australia | Haymond - United States |
| Hawkesbury - Australia | Hayrettin - Türkiye |
| Hawkesbury Sandstone - Brookvale shale, - Australia | Hayrhan and Salany-Gol - Mongolia |
| Hawthorn - United States | Hayrhan and Salany-Gol/Salany-Gol - Mongolia |
| Hawthorn - United States | Haze - Iu, - Japan |
| Hawthorn - United States | Hazelton - Canada |
| Hawthorn/Arcadia - Tampa Limestone, - United States | Hazelton/Cold Fish Volcanics - Canada |
| Hawthorn/Bayshore - Cocoplum, Port Charlotte, - United States | Hazelton/Lower Limestone - Canada |
| Hawthorn/Bone Valley - United States | Hazelton/Lower Volcanics - Canada |
| Hawthorn/Chattahoochee - United States | Hazelton/Nilkitkwa - Canada |
| Hawthorn/Coosawhatchie - United States | Hazelton/Smithers - Canada |
| Hawthorne - United States | Hazelton/Spatsizi - Joan, Wolf Den, - Canada |
| Hawthorne/Marks Head - United States | Hazelton/Telkwa - Canada |
| Hawthorne/Parachucla - Porters Landing, - United States | Headless - Canada |
| Hawthorn/Murdock Station - Jupiter Waterway, Sarasota, - United States | Headon - Colwell Bay, Lyndhurst, - United Kingdom |
| Hawthorn/Peace River - Bone Valley, - United States | Headon Beds - Lower, Mammal Bed, Middle, Rolled-bone, Upper, - United Kingdom |
| Hawthorn/Torreya - Dogtown, - United States | Headon Hill - Colwell Bay, Fishbourne, Osborne, Seagrove bay, Totland Bay, - United Kingdom |
| ? Hay Ranch - United States | Heath - Bear Gulch, - Peru, United States |