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Formations

Named formation fields aggregated from the bounded occurrence snapshot, with sampling caveats and source identifiers.

Entries413
Dataset version2026.09-static-v5-rc146
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All entries

  1. ? Gila Conglomerate1 records · 4.7–1.4 Ma
  2. ? Norretorp1 records · 525.5–521 Ma
  3. "Shihtienfeng"1 records · 251.902–246.7 Ma
  4. Aberhan Pliensbach116 records · 192.9–184.2 Ma
  5. Aberhan Sinemur200 records · 199.5–192.9 Ma
  6. Aberhan Toarc15 records · 184.2–174.7 Ma
  7. Abo4 records · 283.3–259.51 Ma
  8. Abrahamskraal1 records · 264.28–254.14 Ma
  9. Adnet26 records · 205.7–201.4 Ma
  10. Akron15 records · 422.7–419.62 Ma
  11. Alachua2 records · 18.5–16.3 Ma
  12. Alan Mountain Limestone77 records · 358.86–351.9 Ma
  13. Allegheny9 records · 312.8–306 Ma
  14. Almejas1 records · 7.246–5.333 Ma
  15. Altamont77 records · 312.8–306 Ma
  16. Alum Shale3 records · 508.2–504.5 Ma
  17. Amouslek5 records · 521–516 Ma
  18. Antelope Valley87 records · 471.3–457.3 Ma
  19. Antietam Sandstone3 records · 515.3–509.7 Ma
  20. Assistance3 records · 274.4–266.9 Ma
  21. Atherfield Clay131 records · 121.4–113.2 Ma
  22. Babladanga13 records · 0.129–0 Ma
  23. Bangor Limestone1 records · 330.3–323.4 Ma
  24. Bayan Gol5 records · 538.8–521 Ma
  25. Bayan-Gol2 records · 538.8–525.5 Ma
  26. Bayangol1 records · 538.8–525.5 Ma
  27. Beattie35 records · 298.9–293.52 Ma
  28. Beattie Ls5 records · 298.9–293.52 Ma
  29. Big Clifty1 records · 335.4–323.4 Ma
  30. Bloomington9 records · 506.5–497 Ma
  31. Bon Homme Gravel10 records · 4.7–0.21 Ma
  32. Brazer Dolomite43 records · 358.86–342.9 Ma
  33. Breathitt9 records · 323.4–312.8 Ma
  34. Breivik6 records · 538.8–529 Ma
  35. Bright Angel18 records · 515.3–486.85 Ma
  36. Brigus1 records · 516.2–506.5 Ma
  37. Bringewood Beds62 records · 426.7–425 Ma
  38. Briones1 records · 13.82–7.246 Ma
  39. Broken Skull8 records · 486.85–457.3 Ma
  40. Buen5 records · 538.8–516 Ma
  41. Burgersdorp104 records · 248.1–241.464 Ma
  42. Burj Limestone5 records · 538.8–506.5 Ma
  43. Caesar Canyon Limestone17 records · 457.3–449.6 Ma
  44. Camfield Beds1 records · 15.98–11.63 Ma
  45. Cap Bon Ami23 records · 413.02–410.62 Ma
  46. Cape Phillips54 records · 430.6–422.7 Ma
  47. Carbondale1 records · 312.8–306 Ma
  48. Carita Creek12 records · 237–201.4 Ma
  49. Carrara32 records · 509.7–505.3 Ma
  50. Cathedral Dolomite12 records · 497–486.85 Ma
  51. Chagrin Shale65 records · 372.15–358.86 Ma
  52. Chañares3 records · 241.464–237 Ma
  53. Chapadmalal12 records · 3.8–3 Ma
  54. Chappel Limestone14 records · 358.86–342.9 Ma
  55. Chatburn Limestone1 records · 358.86–346.7 Ma
  56. Chaumont24 records · 457.3–449.6 Ma
  57. Chinchilla Sand1 records · 5.333–3.6 Ma
  58. Chinji35 records · 15.98–11.63 Ma
  59. Chisholm Shale5 records · 508.2–504.5 Ma
  60. Cholan6 records · 5.333–0.0117 Ma
  61. Choptank11 records · 13.82–11.63 Ma
  62. Chouteau4 records · 358.86–342.9 Ma
  63. Clayton209 records · 66–61.66 Ma
  64. Colorado City2 records · 237–205.7 Ma
  65. Conasauga29 records · 504.5–497 Ma
  66. Cooking Lake17 records · 382.31–372.15 Ma
  67. Coon Hollow3 records · 170.9–168.2 Ma
  68. Cooper Canyon8 records · 227.3–205.7 Ma
  69. Copenhagen48 records · 458.2–449.5 Ma
  70. Corumbataí26 records · 266.9–254.14 Ma
  71. Coyote Butte7 records · 283.3–274.4 Ma
  72. Crooked Creek30 records · 2.58–1.8 Ma
  73. Crown Point29 records · 471.3–457.3 Ma
  74. Cuslett25 records · 525.5–521 Ma
  75. Dagger Flat3 records · 486.4–477.1 Ma
  76. Dalhousie Shale38 records · 419.62–413.02 Ma
  77. Davis11 records · 497–486.85 Ma
  78. Day Point29 records · 471.3–457.3 Ma
  79. Deadwood300 records · 506.5–468 Ma
  80. Deepkill Shale21 records · 468–458.2 Ma
  81. Dengying10 records · 538.8–521 Ma
  82. Denley Limestone42 records · 453.8–451 Ma
  83. Devakachar14 records · 0.129–0.0117 Ma
  84. Devoncourt Limestone3 records · 504.5–499.5 Ma
  85. Dhok Pathan28 records · 11.63–5.333 Ma
  86. Dhokpathan1 records · 23.04–5.333 Ma
  87. Dolgeville Facies14 records · 457.3–449.6 Ma
  88. Douro36 records · 426.7–422.7 Ma
  89. Downton Castle Sandstone18 records · 422.7–419.62 Ma
  90. Downtonian6 records · 425–419.62 Ma
  91. Dresbach25 records · 504.5–497 Ma
  92. Drom Point24 records · 432.9–426.7 Ma
  93. Dunderberg Shale6 records · 497–486.85 Ma
  94. Dunleith33 records · 457.3–449.6 Ma
  95. Duo Lake5 records · 486.85–477.1 Ma
  96. Duvernay8 records · 382.31–372.15 Ma
  97. Dvuroginskaya Suite9 records · 251.902–246.7 Ma
  98. Eau Claire8 records · 497–486.85 Ma
  99. Elton Beds115 records · 426.7–422.7 Ma
  100. Elwren1 records · 335.4–323.4 Ma
  101. Emyaksin17 records · 525.5–521 Ma
  102. Erfurt4 records · 241.464–237 Ma
  103. Eskridge20 records · 298.9–293.52 Ma
  104. Eskridge Shale8 records · 298.9–293.52 Ma
  105. Esmeralda1 records · 12.5–9.4 Ma
  106. Estcourt62 records · 259.51–250.5 Ma
  107. Fernie4 records · 192.9–184.2 Ma
  108. Ferriters Cove32 records · 432.9–426.7 Ma
  109. Ferruginous Sands165 records · 121.4–113.2 Ma
  110. Fiddlers Green60 records · 422.7–419.62 Ma
  111. Flett25 records · 358.86–351.9 Ma
  112. Foreknobs54 records · 382.31–358.86 Ma
  113. Forest Hill59 records · 33.9–27.3 Ma
  114. Fort Ann13 records · 483.4–481.7 Ma
  115. Fort Cassin10 records · 486.85–471.3 Ma
  116. Fort Payne Chert26 records · 346.7–339.9 Ma
  117. Fort Scott Limestone65 records · 312.8–306 Ma
  118. Fossil Hill10 records · 443.1–432.9 Ma
  119. Fosters Point26 records · 525.5–516 Ma
  120. Franconia24 records · 497–486.85 Ma
  121. Fremouw2 records · 251.902–246.7 Ma
  122. Galana Boi2 records · 0.0117–0 Ma
  123. Garden City13 records · 475.3–471.3 Ma
  124. Gila Conglomerate41 records · 4.7–0.21 Ma
  125. Gislov1 records · 525.5–521 Ma
  126. Glen Dean Limestone2 records · 335.4–323.4 Ma
  127. Glenshaw5 records · 306–303.7 Ma
  128. Golconda1 records · 335.9–330.3 Ma
  129. Goodwin9 records · 483.4–481.7 Ma
  130. Gorman17 records · 486.85–471.3 Ma
  131. Gowers3 records · 504.5–503 Ma
  132. Grande Greve26 records · 413.02–410.62 Ma
  133. Great Meadows32 records · 486.85–477.1 Ma
  134. Grenola39 records · 298.9–293.52 Ma
  135. Grenola Limestone35 records · 298.9–293.52 Ma
  136. Gros Ventre16 records · 497–486.85 Ma
  137. H. S. Lee3 records · 283.3–274.4 Ma
  138. Hale2 records · 323.4–318.6 Ma
  139. Hanford Brook14 records · 538.8–506.5 Ma
  140. Hardegsen1 records · 251.902–249.9 Ma
  141. Hare Indian6 records · 387.95–382.31 Ma
  142. Harkless12 records · 515.3–509.7 Ma
  143. Harpersville87 records · 303.7–286 Ma
  144. Hartselle Sandstone1 records · 335.9–330.3 Ma
  145. Hartshill29 records · 525.5–521 Ma
  146. Hartz Fjeld9 records · 149.2–143.1 Ma
  147. Hatch Hill15 records · 504.5–497 Ma
  148. Headless45 records · 393.47–382.31 Ma
  149. Heshangzou20 records · 251.902–246.7 Ma
  150. Hess River11 records · 538.8–497 Ma
  151. Highgate19 records · 486.4–477.1 Ma
  152. Honeycut23 records · 486.85–471.3 Ma
  153. Hongchunping8 records · 538.8–525.5 Ma
  154. Hongqi9 records · 251.902–249.9 Ma
  155. Hopkinton Dolomite29 records · 443.1–432.9 Ma
  156. Horn Plateau29 records · 387.95–382.31 Ma
  157. House10 records · 486.4–477.1 Ma
  158. Huai Tak5 records · 254.14–251.902 Ma
  159. Huai Thak24 records · 254.14–251.902 Ma
  160. Hythe58 records · 121.4–113.2 Ma
  161. Ili7 records · 3.6–2.58 Ma
  162. Inca Shale3 records · 506.5–497 Ma
  163. Jaffna16 records · 23.04–5.333 Ma
  164. Jakabhegy17 records · 251.902–246.7 Ma
  165. Janesville Shale1 records · 276.8–264.9 Ma
  166. Jefferson24 records · 382.31–372.15 Ma
  167. Jemtland2 records · 426.7–425 Ma
  168. Jinji11 records · 199.5–192.9 Ma
  169. Joslin Hill147 records · 432.9–426.7 Ma
  170. Jungle Creek2 records · 293.52–283.3 Ma
  171. Jura20 records · 422.7–419.62 Ma
  172. Kaibab6 records · 298.9–251.902 Ma
  173. Kap Leslie391 records · 161.5–143.1 Ma
  174. Kapp Duner20 records · 303.7–298.9 Ma
  175. Kapp Hanna30 records · 303.7–298.9 Ma
  176. Kapp Kare10 records · 315.2–303.7 Ma
  177. Katberg1 records · 251.902–246.7 Ma
  178. Katipiri1 records · 0.129–0.0117 Ma
  179. Kessyusa1 records · 525.5–521 Ma
  180. Kholmsk1 records · 27.3–11.63 Ma
  181. Khuff5 records · 259.51–254.14 Ma
  182. Kingak Shale20 records · 201.4–174.7 Ma
  183. Kingscourt Sandstone28 records · 251.902–250.5 Ma
  184. Kinzers44 records · 515.3–505.3 Ma
  185. Kokomo9 records · 422.7–419.62 Ma
  186. La Victoria3 records · 13.8–11 Ma
  187. Langston66 records · 509.7–486.85 Ma
  188. Lantang1 records · 199.5–192.9 Ma
  189. Lantz Mills45 records · 458.2–449.5 Ma
  190. Lapes5 records · 422.7–419.62 Ma
  191. Laval57 records · 471.3–457.3 Ma
  192. Leduc40 records · 382.31–372.15 Ma
  193. Leintwardine68 records · 426.7–422.7 Ma
  194. Lengwu18 records · 264.28–259.51 Ma
  195. Lenoir42 records · 471.3–457.3 Ma
  196. Liberty Hall25 records · 458.2–449.5 Ma
  197. Lincoln Creek7 records · 27.3–23.04 Ma
  198. Lipovskaya1 records · 249.9–246.7 Ma
  199. Lockatong2 records · 227.3–205.7 Ma
  200. Lockport46 records · 432.9–426.7 Ma
  201. Lolab5 records · 538.8–506.5 Ma
  202. Long Rapids17 records · 382.31–372.15 Ma
  203. Loray6 records · 283.3–274.4 Ma
  204. Los Espejos6 records · 422.7–419.62 Ma
  205. Lost Branch59 records · 358.86–298.9 Ma
  206. Löwenstein1 records · 227.3–205.7 Ma
  207. Lower Bone Bed3 records · 13.82–12.75 Ma
  208. Lower Buntsandstein75 records · 251.902–250.5 Ma
  209. Lower Narmada Deposit1 records · 2.58–0.129 Ma
  210. Lower Road River6 records · 477.1–468 Ma
  211. Lower Visby15 records · 438.6–432.9 Ma
  212. Lujiatong7 records · 251.902–249.9 Ma
  213. Madison Valley1 records · 16.3–12.5 Ma
  214. Mahantango118 records · 387.95–382.31 Ma
  215. Mampuwordu Sands2 records · 5.333–2.58 Ma
  216. Manitoba Limestone14 records · 387.95–385.9 Ma
  217. Marcellus8 records · 393.47–387.95 Ma
  218. Marjum Limestone32 records · 508.2–497 Ma
  219. Martin17 records · 375.2–372.15 Ma
  220. Martinsburg4 records · 458.2–443.1 Ma
  221. McColley Canyon17 records · 410.62–393.47 Ma
  222. McMonnigal Limestone27 records · 419.62–393.47 Ma
  223. Meagher8 records · 506.5–497 Ma
  224. Minija12 records · 422.7–419.62 Ma
  225. Mint Spring156 records · 33.9–27.3 Ma
  226. Mission Argillite28 records · 266.9–264.28 Ma
  227. Modelo1 records · 11.63–7.246 Ma
  228. Molteno189 records · 237–201.4 Ma
  229. Monastery Creek Phosphorite6 records · 508.2–503 Ma
  230. Monk’s Bay Sandstone26 records · 113.2–100.5 Ma
  231. Monkton Quartzite13 records · 515.3–509.7 Ma
  232. Monte Cristo Limestone3 records · 358.86–351.9 Ma
  233. Monte Hermoso1 records · 5–3.8 Ma
  234. Monte San Giorgio bituminous shales2 records · 246.7–237 Ma
  235. Montera1 records · 23.04–11.63 Ma
  236. Monterey2 records · 18.5–7.246 Ma
  237. Moodys Branch400 records · 48.07–33.9 Ma
  238. Moran10 records · 298.9–251.902 Ma
  239. Mount Cap9 records · 538.8–506.5 Ma
  240. Mount Whyte33 records · 515.3–505.3 Ma
  241. Mt. Facito79 records · 246.7–237 Ma
  242. Muav Limestone19 records · 506.5–486.85 Ma
  243. Mural5 records · 538.8–506.5 Ma
  244. Nagri55 records · 11.63–5.333 Ma
  245. Nahanni55 records · 393.47–382.31 Ma
  246. Nandoumari7 records · 525.5–516 Ma
  247. Narsingpur1 records · 2.58–0.0117 Ma
  248. New Providence Shale46 records · 351.9–342.9 Ma
  249. Nidhpuri8 records · 251.902–246.7 Ma
  250. Nimra10 records · 516–508.2 Ma
  251. Ninemile14 records · 481.7–475.3 Ma
  252. Nishiyagi1 records · 3.6–0.0117 Ma
  253. Norfolk32 records · 2.58–0.0117 Ma
  254. Normanskill25 records · 457.3–449.6 Ma
  255. Norretorp3 records · 525.5–521 Ma
  256. Oak Orchard25 records · 432.9–426.7 Ma
  257. Oelandicus Shale4 records · 508.2–504.5 Ma
  258. Old Dominion Limestone6 records · 538.8–506.5 Ma
  259. Onondaga42 records · 393.47–387.95 Ma
  260. Oriskany Sandstone36 records · 413.02–410.62 Ma
  261. Orr26 records · 497–486.85 Ma
  262. Otsuki12 records · 7.246–5.333 Ma
  263. Ouray27 records · 365.2–358.86 Ma
  264. Oved Sandstone1 records · 422.7–419.62 Ma
  265. Öved Sandstone5 records · 422.7–419.62 Ma
  266. Palm Spring118 records · 1.4–0.21 Ma
  267. Park City158 records · 259.51–251.902 Ma
  268. Parker Slate26 records · 515.3–505.3 Ma
  269. Parsora7 records · 251.902–246.7 Ma
  270. Pawnee84 records · 312.8–306 Ma
  271. Perkins Canyon5 records · 477.1–468 Ma
  272. Pestrotsvet63 records · 525.5–521 Ma
  273. Pestrotsvetnaya11 records · 525.5–521 Ma
  274. Phosphoria248 records · 274.4–251.902 Ma
  275. Piedra Pintada27 records · 192.9–184.2 Ma
  276. Pilgrim68 records · 497–486.85 Ma
  277. Pińczów Limestone1 records · 15.98–13.82 Ma
  278. Pinjor2 records · 3.6–0.774 Ma
  279. Pioche6 records · 509.7–505.3 Ma
  280. Pismo1 records · 3.6–2.58 Ma
  281. Poleta3 records · 538.8–506.5 Ma
  282. Police Post6 records · 538.8–506.5 Ma
  283. Porters Creek191 records · 66–59.24 Ma
  284. Pottsville2 records · 318.6–312.8 Ma
  285. Poul Creek3 records · 27.3–15.98 Ma
  286. Preble10 records · 538.8–486.85 Ma
  287. Pueblo18 records · 303.7–286 Ma
  288. Put-In-Bay7 records · 422.7–419.62 Ma
  289. Putnam3 records · 298.9–251.902 Ma
  290. Qiongzhusi13 records · 538.8–521 Ma
  291. Rabbit Hill Limestone17 records · 413.02–410.62 Ma
  292. Radotinkalk9 records · 419.62–413.02 Ma
  293. Raisin River15 records · 422.7–419.62 Ma
  294. Ranken Limestone16 records · 511.2–508 Ma
  295. Read Bay12 records · 422.7–419.62 Ma
  296. Recoaro - Upper Serla56 records · 244.24–243.33 Ma
  297. Red Bluff138 records · 33.9–27.3 Ma
  298. Red Eagle Limestone76 records · 298.9–293.52 Ma
  299. Ridenhower1 records · 335.4–323.4 Ma
  300. Riley1 records · 497–494.2 Ma
  301. Rio Genoa1 records · 298.9–251.902 Ma
  302. River Bend40 records · 33.9–27.3 Ma
  303. Road River54 records · 468–410.62 Ma
  304. Roberts Mountain22 records · 443.1–416.8 Ma
  305. Roca Shale6 records · 298.9–293.52 Ma
  306. Rockdale Run27 records · 486.85–457.3 Ma
  307. Rosella2 records · 515.3–509.7 Ma
  308. Round Mountain1 records · 15.98–13.82 Ma
  309. Rushall23 records · 422.7–419.62 Ma
  310. San Benito Gravels1 records · 4.7–0.0117 Ma
  311. Sandgate8 records · 121.4–113.2 Ma
  312. Sandilands4 records · 199.5–192.9 Ma
  313. Sandrock2 records · 121.4–113.2 Ma
  314. Santa Clara3 records · 2.58–1.8 Ma
  315. Santa Maria2 records · 237–205.7 Ma
  316. Sappington48 records · 372.15–358.86 Ma
  317. Schaghticoke10 records · 486.4–477.1 Ma
  318. Schodack20 records · 515.3–509.7 Ma
  319. Scoresby Bay5 records · 515.3–509.7 Ma
  320. Shackleton Limestone4 records · 521–516 Ma
  321. Shady31 records · 515.3–509.7 Ma
  322. Shedhorn59 records · 266.9–264.28 Ma
  323. Shungura1 records · 2.58–0.774 Ma
  324. Shuqra354 records · 165.3–161.5 Ma
  325. Skeels Corner Slate20 records · 504.5–497 Ma
  326. Skelgill32 records · 440.5–438.6 Ma
  327. Snowy Range56 records · 497–486.85 Ma
  328. Solling1 records · 251.902–249.9 Ma
  329. Soltanieh42 records · 538.8–521 Ma
  330. St. Albans Shale20 records · 497–486.85 Ma
  331. St. Charles2 records · 497–486.85 Ma
  332. St. David100 records · 4.7–1.4 Ma
  333. St. Piran Sandstone10 records · 515.3–509.7 Ma
  334. Step Conglomerate4 records · 274.4–266.9 Ma
  335. Stephen51 records · 508.2–486.85 Ma
  336. Stephens11 records · 254.14–251.902 Ma
  337. Stissing12 records · 516–508.2 Ma
  338. Stonehenge Limestone12 records · 486.85–457.3 Ma
  339. Stranger17 records · 306–298.9 Ma
  340. Sunblood17 records · 471.3–457.3 Ma
  341. Sutherland River20 records · 426.7–422.7 Ma
  342. Swan Peak8 records · 471.3–457.3 Ma
  343. Sylvania Sandstone13 records · 410.62–393.47 Ma
  344. Syracuse34 records · 422.7–419.62 Ma
  345. Tahkandit12 records · 274.4–266.9 Ma
  346. Takhandit9 records · 274.4–266.9 Ma
  347. Tal8 records · 525.5–521 Ma
  348. Tanyard22 records · 486.85–477.1 Ma
  349. Tar Springs2 records · 335.4–323.4 Ma
  350. Tasman1 records · 500.5–499 Ma
  351. Taylor2 records · 504.5–503 Ma
  352. Tecovas12 records · 227.3–205.7 Ma
  353. Telegraph Canyon13 records · 393.47–387.95 Ma
  354. Temblor1 records · 15.98–13.82 Ma
  355. Tererro15 records · 351.9–342.9 Ma
  356. Third White Ash1 records · 0.129–0.0117 Ma
  357. Tiglukpuk2 records · 192.9–184.2 Ma
  358. Tirari2 records · 5.333–3.6 Ma
  359. Tisovec Limestone28 records · 237–233.6 Ma
  360. Tonoloway Limestone39 records · 422.7–419.62 Ma
  361. Tor Limestone13 records · 419.62–413.02 Ma
  362. Tsagaan Oloom-Lower Bayan Gol2 records · 538.8–529 Ma
  363. Tsukinoki1 records · 23.04–15.98 Ma
  364. Tsvetkovomisskaya Suite2 records · 251.902–246.7 Ma
  365. Tulare1 records · 5.333–2.58 Ma
  366. Tyuser2 records · 525.5–521 Ma
  367. Unayzah7 records · 277.3–251.902 Ma
  368. Upper Visby21 records · 432.9–430.6 Ma
  369. Ust-Yudoma11 records · 538.8–525.5 Ma
  370. Ute10 records · 497–486.85 Ma
  371. Utica Shale24 records · 452.8–445.2 Ma
  372. Valmy12 records · 483.4–457.3 Ma
  373. Venenäs1 records · 525.5–521 Ma
  374. Verde46 records · 4.7–1.4 Ma
  375. Verdigris21 records · 312.8–306 Ma
  376. Verulam45 records · 458.2–449.5 Ma
  377. Vetlugian Series2 records · 251.902–246.7 Ma
  378. Vilemovice Limestone7 records · 372.15–368.5 Ma
  379. Villavieja3 records · 13.8–11 Ma
  380. Vogel River Series1 records · 5.333–2.58 Ma
  381. Vokhminskaya3 records · 251.902–249.9 Ma
  382. Vorohué1 records · 3.6–2.58 Ma
  383. Wadleigh Limestone32 records · 375.2–372.15 Ma
  384. Waite1 records · 11.63–5.333 Ma
  385. Wann94 records · 358.86–298.9 Ma
  386. Waterford1 records · 266.9–259.51 Ma
  387. Welden Limestone5 records · 358.86–342.9 Ma
  388. Wellington7 records · 283.3–259.51 Ma
  389. West Castleton2 records · 538.8–506.5 Ma
  390. West Centre Cove2 records · 525.5–521 Ma
  391. Wheeler Shale29 records · 506.5–497 Ma
  392. Whitcliffe Beds25 records · 426.7–422.7 Ma
  393. Whitesburg19 records · 461.1–458.2 Ma
  394. Windmill Limestone43 records · 413.02–410.62 Ma
  395. Wingate Sandstone1 records · 205.7–199.5 Ma
  396. Wipajiri1 records · 27.3–15.98 Ma
  397. Wolsey Shale5 records · 506.5–497 Ma
  398. Woods Hollow Boulders17 records · 504.5–477.1 Ma
  399. Wutubulake30 records · 422.7–419.62 Ma
  400. Wych Beds20 records · 443.1–432.9 Ma
  401. Xihaoping4 records · 521–516 Ma
  402. Yeso13 records · 283.3–274.4 Ma
  403. Yohin9 records · 358.86–351.9 Ma
  404. Yorktown7 records · 3.6–2.58 Ma
  405. Ysidro1 records · 15.98–11.63 Ma
  406. Yuhucun16 records · 538.8–521 Ma
  407. Yurtus16 records · 525.5–516 Ma
  408. Zeandale Limestone89 records · 276.8–264.9 Ma
  409. Zechstein7 records · 259.51–254.14 Ma
  410. Zelenotsvetnaya2 records · 504.5–499.5 Ma
  411. Zhaojiashan2 records · 330.3–323.4 Ma
  412. Zhujiaqing3 records · 538.8–521 Ma
  413. Zwetau21 records · 521–508.2 Ma