Paleogene Period
66 - 23.03 37.97
Oligocene Epoch
33.9 - 23.03 10.87
Rupelian Age
33.9 - 27.82 6.08
30 - 0  Sloth, Folivora, Pilosa, Xenarthra, Mammalia, 8Fa6† 2001 |
  30 - 1895 30 Lyall's wren Traversia Iyalli, †Traversia, Acanthisittidae, Passeriformes, Aves, New Zealand |
  30 - Present 30 Eastern chipmunk, Tamias striatus, Tamias, Sciuridae, Rodentia, Mammalia, N America, Least concern |
 _ Ancient Actinopterygii/30 Wels catfish, Silurus glanis, Present Least concern.png)  _ Ancient Actinopterygii/30 Wels catfish, Silurus glanis, 100 - Present Least concern.png) 100 - Present Wels catfish, Silurus glanis, Silurus, Siluridae, Siluriformes, Actinopterygii, Europe Least concern |
  30 - Present Paradise tree snake C. paradisi, Chrysopelea, Colubridae, Serpentes, Squamata, Reptilia SE Asia Vulnerable |
  25 Ma Jan Juc whale J. hunderi, †Janjucetus, †Mammalodontidae, Cetacea, Artiodactyla, Mammalia, SE Australia 2006 |
 _ Deers, antelopes and goats 🦌🐂/29 Impala Aepyceros melamous SE Africa Present Least concern.png)  _ Deers, antelopes and goats 🦌🐂/30 Impala Aepyceros melamous SE Africa 5 - Present Least concern.png) 5 - Present Impala Aepyceros melamous, Aepyceros, Aepycerotinae 1872, Bovidae, Artiodactyla, Mammalia, SE Africa Least concern 1812 |
  30 - Present Short-tailed albatross Phoebastria albatrus, Phoebastria, Diomedeidae, Procellariiformes, Aves, N Pacific ocean Vulnerable |
  30 - Present Black-tailed gull Larus crassirostris, Larus, Laridae, Charadriiformes, Aves, N Pacific ocean Least concern |
  30 - 1819 Tahiti sandpiper Prosobonia leucoptera, Prosobonia, Scolopacidae, Charadriiformes, Aves French polynesia and Tahiti 1789 |
  30 - Present Bar-tailed dogwit Limosa lapponica, Limosa, Scolopacidae, Charadriiformes, Aves, 3 ss W Europe Near threatened |
  30 - Present Eurasian curlew Numemius arguata, Numenius, Scolopacidae, Charadriiformes, Aves, 3SS 50-60cm/20-24" 89-106cm/35-42" wingspan 410-1,3650g/.9-3lb Eurasia Near threatened |
  30 - Present Bee hummingbird Mellisuga helenae, Mellisuga, trochiliidae, Apodiformes, Aves, Cuba &Isla de la Juventud. near threatened |
  30 - Present Green pheasant Phasianus versicola, Phasianus, Phasianidae, Galliformes, Aves, Japan |
  30 - Present Red junglefowl Gallus gallus, Gallus, Phasianidae, Galliformes, Aves, 6SS 28CM/11" SW Asia LC |
  30 - Present White stork Ciconia ciconia, Ciconia, Ciconiidae, Ciconiiformes, Aves, Europe and Africa Least concern |
  30 - Present Oriental stork Ciconia boyciana, Ciconia, Ciconiidae, Ciconiiformes, Aves, E Asia Endangered |
  30 - Present Marabou stork Leptoptilos crumenifer, Leptoptilos, Ciconiidae, Ciconiiformes, Aves, Africa Least concern |
| 30 - 25 5 Spencer Butte Lane County, Oregon, United States |
| 30 Africa makes contact with Eurasia. |
| 30 Tyne river. 15th oldest. Empties N Sea. England carved valley |
| 30 Platoro caldera 18x22km, San Juan volcanic field, Platoro, Conejos County, Colorado; 592km2/142mi2 of La Jara Canyon Tuff |
| 30 Ethiopian Highlands flood basalt begins |
| 30 - 25 5 mi Lake Baikal oldest lake formed |
| 30 - 0 mi Gray whale Eschrichtius robustus, Eschrichtius, Eschrichtiidae, Cetacea, Artiodactyla, Mammalia, N Pacific |
| 30? - 0 mi Musteloidea Arctoidea, Carnivora, Mammalia, . weasels, otters, ferrets, martens, minks & Wolverines. |
  29.7 - 18.5 11.2 Prehistoric beaver Palaeocastor fossor, †Palaeocastor, †Palaeocastorinae, Castoridae, Rodentia, Mammalia, N America |
| 29.6 Jabal Kura’a Ignimbrite 3,700km3/888mi3 distal tuffs associated with the ignimbrites Yemen |
| 29.5 Sam Ignimbrite Yemen >5,550km2/1,332m2 of distal tuffs associated with the ignimbritesc |
| 29 Unknown source Ethiopia erupts with at least 3,000km2/720m2 of Green Tuff and SAM. |
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Oligocene Epoch
33.9 - 23.03 10.87
Rupelian Age
33.9 - 27.82 6.08
| 29 Ute Creek 8km, San Juan volcanic field, Colorado; 500km2/120m2 of Ute Ridge Tuff |
| 29 Mount Hope 15km, San Juan volcanic field, Colorado; 500km2/120m2 of Masonic Park Tuff |
| 29 - 19 0 nt Daeodon shoshonensis †Daeodon, †Entelodontidae, Artiocactyla, Mammalia, 2Sp N America 1878 |
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| Paleogene Period 66 - 23.03 37.97 |
  15 - 0 Golden hamster, Mesocricetus auratus, Mesocricetus, Cricetinae, Cricetidae, Rodentia, Mammalia S Turkey & Syria, 7-9"/18-23cm 120-125g Mediterranean VU |
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Paleogene Period
66 - 23.03 37.97
Oligocene Epoch
33.9 - 23.03 10.87
Rupelian Age
33.9 - 27.82 6.08
| 28.5 Summitville Caldera 12x8km, San Juan volcanic field, Colorado; 100-500km3/24-120mi3 of Ojito Creek/ La Jadero Tuffs |
| 28.5 San Juan Caldera 24x22km, San Juan volcanic field, Colorado; 900km2/220m2 of tephra |
| 28.5±0.5 Bursum Caldera 40x30km, Mogollon-Datil volcanic field, New Mexico; ; 1,200km3/290m3 of Apache Springs Tuff |
| 28.5±0.5 Bursum Caldera 40x 30km, Mogollon-Datil volcanic field, New Mexico; 1,050km2/250m2 of Bloodgood Canyon Tuff |
  28.4 - 7.2 21.2 Desmostylia hesperus, Bundle pillar, N Pacific |
| 28.4 - 11,000 nt Mammutidae Mastodons family proboscideans N America, Africa, Eurasia. |
| 28.3 Ute Creek Caldera, Central Colorado volcanic field, Colorado; 500km3/120mi3 of Ute Ridge Tuff |
| 28.3 Central San Juan Caldera concealed, San Juan volcanic field, Colorado; 500km3/120mi3 of Masonic Park Tuff. |
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Paleogene Period
66 - 23.03 37.97
Oligocene Epoch
33.9 - 23.03 10.87
Rupelian Age
33.9 - 27.82 6.08
| 28.2 Platoro calderas, San Juan volcanic field, Platoro, Conejos County, Colorado; 1,000km3/240mi3 of Chiquito Peak Tuff |
| 28.2 Lost Lake Caldera 10km San Juan volcanic field, Colorado; 100-500km3/24-120mi3 Blue Mesa Tuff |
| 28.1 Uncompahgre Caldera 23x20km, Uncompahgre National Forest, San Juan volcanic field, Colorado; 1,000km3/240mi3 Dillon/Sapinero Mesa Tuffs |
| 28 San Juan Caldera 22x24km, San Juan volcanic field, Colorado; >1,000km3/240mi3 Sapinero Mesa Tuff |
  28 - Present Southern right whale Eubalaena australis S Oceans Least concern |
| 28 Cedar Breaks National Monument Atop the plateau, much of the area is covered by volcanic rock known as rhyolitic tuff, formed during cataclysmic eruptions |
| 28 - 27 1 Chilgatherium harrisi, †Chilgatherium, †Chilgatheriinae, †Deinotheriidae, Proboscidea, Mammalia, "Chilga beast" earliest family. Chilga Ethiopian |
28.6–3.6 0  Chalicotherium Europe, Africa, Asia |
  28 - Present Whale shark Rhincodon typus, Rhincodon, Rhincodontidae, Orectolobiformes, Chondrichthyes, Tropical zone Endangered |
| 28 - 0 Diprotodontia Order |
| 28 Almo pluton. City of Rocks National Reserve, 2m/3.2km N of SC Idaho/Utah border. some 2.5BYO granite spires @ Green Creek Complex contain oldest rocks in W USA. |
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Chattian Age
27.82 - 23.03 7.79
 _ Abyssal fish/22 Half-naked hatchetfish, Argyropelecus hemiaymnus, Oceans worldwide, depths 300 - 4,500 m, Present Least concern .png)  _ Abyssal fish/22 Half-naked hatchetfish, Argyropelecus hemiaymnus, Oceans worldwide, depths 300 - 4,500 m, 27.82 - Present Least concern .png) 27.82 - Present Half-naked hatchetfish, Argyropelecus hemiaymnus, worldwide 300-4,500m, Least concern |
  27.8 - Present Tucuxi Sotalia fluviatilis W Atlantic ocean Amazon river Near threatened |
| 27.35 Bachelor Caldera 20x28km, Wheeler Geologic Area, San Juan volcanic field, Colorado; 1,200km3/288mi3 of Carpenter Ridge Tuff. |
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Paleogene Period
66 - 23.03 37.97
Oligocene Epoch
33.9 - 23.03 10.87
Chattian Age
27.82 - 23.03 7.79
  27.8 - Present Commerson's dolphin Cephalorhynchus commersonii S America Status not evaluated |
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