3 M Section: 1.5 - 1.8 M Page

1.8 - 300,000 Xenosmilus hodsonae "strange chisel" Machairodontinae, or saber-toothed cats. Two fairly intact specimens were found by amateur fossil hunters in 1983 Haile limestone mines in Alachua County, Florida.

1.8 - .3 Irvingtonian: geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), spanning from 1.9 million – 250,000 years BP.[1] Named after an assemblage of fossils from the Irvington District of Fremont, California,[

Irvingtonian 1 - approximately 1.9 MA TO 0.85 MA

Irvingtonian 2 - approximately .85 - .4 MA

Irvingtonian 3 - approximately .85 - .25 .6

The beginning of the Irvingtonian is defined by the first appearance of Mammuthus south of 55° N in North America, and the beginning of the succeeding Rancholabrean is defined by the first appearance of Bison.

1.8 - 0 white rhinoceros

1.8 - 11,000 1.1789 Dasypus bellus Beautifu Armadillo Americas 1M high 1.2M long

1.8 - 10,900 1.8 Short-Faced Bear North American bear and was most abundant in California

1.8 Homo Georgicus Remains of 4 people found in Georgia. 600 CC Cranium. India

1.8 - 11,000 Short-faced bear Arctodus pristinus W&N America

1.75 OH 5 Nutcracker Man discovered in Tanzania by Mary Leakey

2.3 - 1.5 .8 Homo habilis or tool-making man

1.76 - .13 Acheulean Culture Africa, Europe, Asia

1.75 Dmanisi man, Homo georgicus (Georgia, Russia), tiny brain came from Africa, with Homo erectus & Homo habilis characteristics. Common genetic ancestor of humans & Neanderthal.

1.75 OH 7 Homo habilis 1960 Tanzania Jonathan Leakey

1.75 KNM-ER 3733 Homo ergaster (aka Homo erectus) 1975 Kenya Bernard Ngeneo

1.75±0.25 StW 53 Homo gautengensis 1976 Sterkfontein, South Africa A. R. Hughes

1.75±0.25 SK 847 Homo habilis 1949 Swartkrans, South Africa

1.75±0.25 DNH 7 (Eurydice) Paranthropus robustus 1994 South Africa André Keyser

Ebisutoge-Fukuda tephras, Japan; 1.75 Ma; 380 to 490 cubic kilometers (91.2 to 117.6 cu mi) of tephra.

1.74 KNM-ER 1805 Homo habilis 1973/4 KenyaPaul Abell

Quaternary Period 2.588M - Present

Pleistocene Epoch
2.588 - 11,650 2,576,350

Calabrian Age 1.8 - 781,000 1,019,000

1.7 - .2 1.5 steppe mammoth Mammuthus trogontherii, ElephantidaeN Eurasia evolved in Siberia from Mammuthus meridionalis.

1.7 or 0.6-0.5 Yuanmou Man Homo erectus 1965 China Fang Qian

1.7 KNM-ER 406 Paranthropus boisei 1969 Kenya Richard Leakey

1.7 KNM-ER 732 Paranthropus boisei 1970 Kenya Richard Leakey

1.7 KNM-ER 23000 Paranthropus boisei 1990 Koobi Fora, Kenya Benson Kyongo

1.7 KNM-WT 17400 Paranthropus boisei Not known Lake Turkana (West Lake Turkana) Kenyaunknown National Museums of Kenya, Nairobi (Kenia)

Quaternary Period 2.588M - Present

Pleistocene Epoch
2.588 - 11,650 2,576,350

Calabrian Age 1.8 - 781,000 1,019,000

1.65±0.15 SK 46 Paranthropus robustus 1949 Swartkrans, South Africa Robert Broom

1.65 Japanese Weasel >< Siberian weasel

Quaternary Period 2.588M - Present

Pleistocene Epoch
2.588 - 11,650 2,576,350

Calabrian Age 1.8 - 781,000 1,019,000

17 Diprotodon optatum Two forward tooth Australia, Pleistocene 1.6 - 46,000

1.6 - 46,000 1.6 Diprotodon Australia

1.6 KNM-WT 15000 (Turkana Boy) Homo ergaster (aka Homo erectus) 1984 Lake Turkana (West Lake Turkana), Kenya Kamoya Kimeu

Quaternary Period 2.588M - Present

Pleistocene Epoch
2.588 - 11,650 2,576,350

Calabrian Age 1.8 - 781,000 1,019,000

1.5 Peninj Mandible Paranthropus boisei 1964 Tanzania Richard Leakey

1.5 OH 9 (Chellean Man) Homo erectus 1960 Olduvai, Tanzania Louis Leakey

1.5 KNM-ER 992 Homo ergaster (aka Homo erectus) 1971 Kenya Richard Leakey

1.5±0.1 KNM-ER 3883 Homo erectus 1976 Kenya Richard Leakey

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