1 About Me 8
2 Education
3 Philosophy
4 Politics
5 News
6 Travel
7 Sports
8 Funding
300 - 294
294 - 288
500 Fut 288 - 282 BC AD
282 - 276
276 - 270
Views PHP Hits Count
300 Million
30M
300 - 270 M
6M
PHP Hits Count Visitors
Lives/Generations 15 - 1 15
0 - 1 180,000
0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3
0 - 1 180,000
2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5
0 - 1 180,000
4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7
360 - 180 180,000
6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9
180 - 1 180,000
18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
12°
2237
N
69
O
30
A
.63
C
.08
12°
2237
N
69
O
31
A
.63
C
.08
12°
2237
N
69
O
31
A
.63
C
.08
12°
2238
N
69
O
31
A
.63
C
.08
12°
2238
N
68
O
31
A
.63
C
.08
12°
2238
N
68
O
31
A
.63
C
.08
12°
2238
N
68
O
31
A
.63
C
.08
12°
2239
N
67
O
31
A
.63
C
.08
12°
2239
N
67
O
31
A
.63
C
.08
12°
2239
N
67
O
32
A
.63
C
.08
12°
2240
N
67
O
32
A
.63
C
.08
12°
2240
N
67
O
32
A
.63
C
.08
12°
2240
N
67
O
32
A
.63
C
.08
12°
2240
N
67
O
32
A
.63
C
.09
13°
2241
N
67
O
32
A
.63
C
.09
13°
2241
N
67
O
32
A
.63
C
.09
13°
2241
N
67
O
32
A
.63
C
.09
13°
2242
N
67
O
32
A
.63
C
.09
13°
2242
N
67
O
32
A
.63
C
.09
13°
2242
N
67
O
32
A
.63
C
.09
13°
2242
N
67
O
32
A
.62
C
.09
13°
2243
N
67
O
32
A
.62
C
.09
13°
2243
N
67
O
32
A
.62
C
.09
13°
2243
N
67
O
32
A
.62
C
.09
14°
2243
N
67
O
32
A
.62
C
.09
14°
2244
N
67
O
32
A
.62
C
.09
14°
2244
N
67
O
32
A
.62
C
.09
15°
2244
N
67
O
32
A
.62
C
.09
16°
2245
N
67
O
32
A
.62
C
.09
16°
2245
N
67
O
32
A
.62
C
.09
Colorado Landscape
     
 
2nd Galactic year 500 - 250 250
Arth
- 299
Dath
- 96.4
   
Mega
- 299
  Secodontosaurus 285 - 272.3 12.7  
Ophiacodon 306 - 280 26   Therapsida 275 - Present
Sphenacodon 300 - 280 20  
C & A   Diadectes & Trimerorhachis 290 - 272 18  
Gzh
Pen
Car
Callibrachion   Discosauriscus
Asselian Age 98.9 - 95 3.9
Cutleria Palaeohatteria
Sakmarian Age 295 - 290.1 4.9
Meganeuropsis
Artinskian Age 290.1 - 283.5 6.6
Cacops Discosauriscus Seymouria Casea Inta Ctenospondylus
Kungurian Age 283.5 - 272.95 11.2
Cisuralian Epoch 298.9 - 272.3 26.6
R
Guadalupian 272.3 -
Permian Period 298.9 - 251.9 47
Paleozoic Era 541 - 252 289
300 - 294
294 - 288
500 Fut 288 - 282 BC AD
282 - 276
276 - 270
Paleozoic Era 541 - 252 289
Carboniferous Period
358.9 - 298.9 60
Pennsylvanian Subperiod
323 - 298.9 24.1
Gzhelian Stage 303.7 - 298.9 4.8

300 - 0 Inshore hagfish, Eptatretus burgeri, Eptatretus, Myxinidae, Myxiniformes, Myxini, 5Sp W Pacific ocean, NT 1855

300 Etacystis, Etacystis communir, Etacystis, Pterobranchia?, Hemi?, Eumetazoa 1976 W USA
300 - 280 20 Sphenacodon ferox, Sphenacodon, Sphenacodontinae, Sphenacodontidae, . "Wedge point tooth" 3Sp 1878 USA 
300 - 0 Trachelismus tenuissimus, Trachelismus, Trachelipodidae, Oniscidea, Isopoda, Malacostraca, Crustaca, Arthropoda Philippines
300 Iniopteryx I. rushlaui, †Iniopteryx, †Iniopterygiformes, Chondrichthyes, "Nape wing" N America
300 - 295 5 Eryops E. megacephalus, †Eryops, †Eryoptidae, †Temnospondyli, "Drawn-out face" N America 
300 Arches Nat. Park events that led to the arches, fins, and other rock shapes seas periodically covered the area. salt beds up to 5,000 ft (1,524 m) thick in some places. 
300 Garden of the Gods 3,318ac/13.43km2 Shawnee National Forest,  Illinois.
345 - 295 50 Arthropleura †Arthropleuridae, †Arthropleurida, Diplopoda, Arthropoda 7Sp 1854
300 salt bed Paradox Basin Colorado Plateau Ks' thick in places
300 - 243 57 Marine Isotope Stage 8
300 Cryptovenator
300 Archimylacris
300 - 280 20 Sphenacodon "wedge point tooth" †Sphenacodontinae, †Sphenacodontidae, Synapsid 3Sp 1879
300 - 280 20 Edaphosaurus poganias Pavement lizard Edaphosaurus, Edaphosauridae, Sphenacomorpha, Haptodontiformes, Eupelycosauria, Synapsida, Amniota, Rpetiliomorpha, Tetrapoda, USA 
306.9 - 298.9 8 Megarachne
299 - 5 4 Macroplata
299 - 252 47 Aulacephalodon bainii, †Aulacephalodon, †Geiiidae, †Dicynodontia, Therapsida,  Lower Beaufort Group of the Karoo Supergroup of South Africa and Zambia.  medium-sized dicynodonts, or non-mammalian synapsids. dominant terrestrial vertebrate herbivores 1898
Permian Period 298.9 - 251.9 47
Cisuralian Epoch 298.9 - 272.3 26.6
298.9 - 272.95 25.95 Glossopteris browniana, Glossopteris, Glossopteridaceae, Glossopteridales, Pteridospermatophyta, Tracheophytes S hemisphere. 6Sp
298.9 - 272.95 25.95 Ctenospondylus casei, "Comb vertebra" †Ctenospondylus, †Sphenacodontinae, †Sphenacodontidae, 2Sp USA
298.9 – 251.902 47 Menaspis armata, Menaspis, Holocephali, Chondrichthyes, Germany
298.9 - 272.95 25.95 Discosauriscus pulcherrimus, †Discosauriscus, †Discosauriscidae, †Seymouriamorpha, 2Sp 1879 Czech Republic 
299 -  251  48 Diplocaulus "Double caul" †D. magnicornis, †Diplocaulus, †Diplocaulidae, †Nectridea, †Lepospondyli, 5Sp Morocco

Asselian Age 298.9 - 295 3.9

299 - 279.5  19.5 Platyhystrix rugosus "Flat porcupine", †Platyhystrix, †Dissorophidae, †Temnospondyli, 1Sp 1911 N America 
299 - 253 46 Archegosaurus decheni "Beginning lizard" †Archegosaurus, †Archegosauridae, †Temnospondyli, 2Sp Germany
299 - 0 Cycads /ˈskædz/ are seed plants with a very long fossil history that were formerly more abundant and more diverse than they are today. 
Aerosaurus  "copper lizard" genus   Varanopidae family of non-mammalian synapsids
299 - 296.4 2.6 Datheosaurus
299 - 297? 2 Pantelosaurus Königin-Carola-Schacht localityDresden , Döhlen Formationlower Rotliegend GroupDöhlen BasinSaxony, Germany
298.9 - 272.95 26.15 Casea broilii Cheese USA & France
296 - 260 6  Flatirons rock created  are rock formations in the western  United States, near Boulder, Colorado
Sakmarian Age 295 - 290.1 4.9
295 - 272 23 Dimetrodon "Two measures of teeth" D. limbatus, †Dimetrodon, †Sphenacodontinae, †Sphenacodontidae, N America & Germany
Paleozoic Era 541 - 252 289
Permian Period 298.9 - 251.9 47
Cisuralian Epoch 298.9 - 272.3 26.6
Asselian Age 298.9 - 295 3.9
298 - 294 4 Discosauriscus D. austriacus, †Discosauriscus, †Discosauriscidae, †Seymouriamorpha, . 2Sp. Boskovice Furrow,  Czech Republic. 1876
Sakmarian Age 295 - 290.1 4.9
298 - 283 15 Ctenospondylus  C. casei Romer, †Ctenospondylus, †Sphenacodontinae, †Sphenacodontidae, Greene Formation, Ohio, USA
298 - 283 15 Belle Plains Formation, Texas; USA
298 - 283 15 Cutler Formation, Utah, USA
259.1 - 251.902  7.2 Arctognathus A. curvimola, †Arctognathus, †Gorgonopsidae, Therapsida, . Karoo basin, S Africa 1876

Cutleria

Palaeohatteria
Artinskian Age 290.1 - 283.5 6.6
290 El Capitan Texas reef surrounded much of the Delaware Sea S New Mexico and Trans-Pecos Texas
290 Helicoprion bessosnowi Spiral saw Oceans worldwide  
Meganeuropsis
290 Gerobatrachus hottoni Elder frog Texas N America
Diadectes & Trimerorhachis 290 - 272 18 N America
289.9 - Present Bocydium globulare, Bocydium, Membracidae, Hemiptera, Insecta, Arthropoda  1803 Worldwide Brazilian treehopper
Paleozoic Era 541 - 252 289
Permian Period 298.9 - 251.9 47
Cisuralian Epoch 298.9 - 272.3 26.6
Asselian Age 298.9 - 295 3.9
Artinskian Age 290.1 - 283.5 6.6
285 - 272.3 12.7 Secodontosaurus obtusidens Cutting-tooth lizard Texas USA Early Permian
Kungurian Age 283.5 - 272.3 11.2
275 Nikkasaurus N. tataronoovi, †Nikkasaurus, †Nikkasauridae, †Biarmosuchia, Therapsida,  is an extinct genus of therapsids.  insectivorous
Cacops
Paleozoic Era 541 - 252 289
Permian Period 298.9 - 251.9 47
Cisuralian Epoch 298.9 - 272.3 26.6
Kungurian Age 283.5 - 272.3 11.2
306 - 280 26 Ophiacodon
Discosauriscus
Seymouria
Casea
Inta
280 - 270 10 Seymouria baylorensis Baylor Country N America and Europe Early Permian
280 Angelosaurus 'Angel lizard', Olson & Berrbower 1953 pelycosaur Reptile. Angelosaurus dolani 1 partial skull M San Angelo Formation, Knox County, Texas, USA
280 - 270.6 9.4 Captorhinus captorhinid Reptilia Oklahoma, Texas, Europe, India, Pedra de Fogo Formation, Parnaiba Basin, Brazil & Mdumabisa Mudstone, Zambia
279.5 - 272 7.5 Cotylorhynchus romeri, †Cotylorhynchus, †Caseidae, †Caseasauria, 3Sp 1937 USA 

 

Paleozoic Era 541 - 252 289
Permian Period 298.9 - 251.9 47
Cisuralian Epoch 298.9 - 272.95 26.6
Kungurian Age 283.5 - 272.3 11.2
275 Tetraceratops insignis "four-horned face emblem"  †Tetraceratops, Sphenacodontia, 1908  Texas
274 - 271 3 Cacops aspidephorus "blind face" †Cacops, †Eucacopinae, †Dissorophidae, †Temnospondyli, 3Sp N America
Therapsida 275 - Present
Ctenospondylus
Guadalupian Age
272.95 - 259.8 12.5
Roadian Stage 272.95 - 268.8 4.15
Crapartinella therocephalians. 1 Sp Karoo Basin S Africa  only eutheriodont w/ vomerine teeth, a primitive condition among tetrapods
Crapartinella croucheri
Molybdopygus estemmenosuchid dinocephalians from the Middle Permian of Russia.
Rhopalodon   therapsids 1st reptiles mentioned in NatureT.H. Huxley
272 Raranimus  therapsids  1 partial skull  1998 Xidagou Formation, Qilian Mountains of GansuChina. most basal   Therapsida, which became Mammals.
? Porosteognathus therocephalian therapsids.   Isheevo in Russia

Seymouria Tambach, Germany, Europe and SeymourBaylor County, Texas

272 - 251 21 Aelurosaurus small, carnivorous therapsids Karoo Basin, S Africa.

270.6 - 252  18.6 Gorgonopsi suborder quadrupedal predators with prominent canine teeth, apex predators Russia & Africa

270.6-251 Lycaenops ornatus "wolf-face"  genus of carnivorous therapsids.  S Africa.     
Colobodectes is an extinct genus of dicynodont therapsid  S Africa.
Eosimops  genus of pylaecephalid dicynodonts. They were small synapsids superficially resembling modern mammals.  known from several skull specimens, as well as one complete skeleton. S Africa.
Lives/Generations 15 - 1 15
160,000 Colors 10000
20,000 copy
160,000 Colors 10000
20,000 copy
160,000 Colors 10000
20,000 copy
160,000 Colors 10000
20,000 copy
 160,000 Colors 10000
20,000 copy