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Stegomastodon, the Glossary

Stegomastodon ('roof breast tooth') is an extinct genus of gomphotheres.^[1]

Before Present

Before Present (BP) or "years before present (YBP)" is a time scale used mainly in archaeology, geology, and other scientific disciplines to specify when events occurred relative to the origin of practical radiocarbon dating in the 1950s.

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Blancan

The Blancan North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), typically set from 4,750,000 to 1,806,000 years BP, a period of.

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Chronospecies

A chronospecies is a species derived from a sequential development pattern that involves continual and uniform changes from an extinct ancestral form on an evolutionary scale.

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Cuvieronius

Cuvieronius is an extinct New World genus of gomphothere which ranged from southern North America to western South America during the Pleistocene epoch. Stegomastodon and Cuvieronius are gomphotheres, Pleistocene proboscideans, Pliocene proboscideans, Prehistoric placental genera and Zanclean first appearances.

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Early Pleistocene

The Early Pleistocene is an unofficial sub-epoch in the international geologic timescale in chronostratigraphy, representing the earliest division of the Pleistocene Epoch within the ongoing Quaternary Period.

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Eubelodon

Eubelodon is an extinct genus of gomphothere (a family in the order Proboscidea, which also includes modern elephants) which lived in North America during the Miocene Epoch. Stegomastodon and Eubelodon are gomphotheres and Prehistoric placental genera.

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Genus

Genus (genera) is a taxonomic rank above species and below family as used in the biological classification of living and fossil organisms as well as viruses.

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Gnathabelodon

Gnathabelodon is an extinct genus of gomphothere (a sister group to modern elephants) endemic to North America that includes species that lived during the Middle to Late Miocene. Stegomastodon and Gnathabelodon are gomphotheres and Prehistoric placental genera.

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Gomphothere

Gomphotheres are an extinct group of proboscideans related to modern elephants. Stegomastodon and Gomphothere are gomphotheres, Pleistocene proboscideans and Pliocene proboscideans.

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Gomphotherium

Gomphotherium ("nail beast" for its double set of straight tusks) is an extinct genus of gomphothere proboscidean from the Neogene of Eurasia, Africa and North America. Stegomastodon and Gomphotherium are gomphotheres, Pliocene proboscideans and Prehistoric placental genera.

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Henry Fairfield Osborn

Henry Fairfield Osborn, Sr. (August 8, 1857 – November 6, 1935) was an American paleontologist, geologist and eugenics advocate.

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Irvingtonian

The Irvingtonian North American Land Mammal Age on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), spanning from 1.8 million – 250,000 years BP.

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Jalisco

Jalisco, officially the Free and Sovereign State of Jalisco (Estado Libre y Soberano de Jalisco), is one of the 31 states which, along with Mexico City, comprise the 32 Federal Entities of Mexico.

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Mammoth

A mammoth is any species of the extinct elephantid genus Mammuthus. They lived from the late Miocene epoch (from around 6.2 million years ago) into the Holocene about 4,000 years ago, and various species existed in Africa, Europe, Asia, and North America. Stegomastodon and mammoth are Cenozoic mammals of North America, Pleistocene proboscideans and Zanclean first appearances.

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Mexico

Mexico, officially the United Mexican States, is a country in the southern portion of North America.

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Molar (tooth)

The molars or molar teeth are large, flat teeth at the back of the mouth.

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National Museum of Natural History

The National Museum of Natural History (NMNH) is a natural history museum administered by the Smithsonian Institution, located on the National Mall in Washington, D.C., United States.

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Notiomastodon

Notiomastodon is an extinct genus of gomphothere proboscidean (related to modern elephants), endemic to South America from the Pleistocene to the beginning of the Holocene. Stegomastodon and Notiomastodon are gomphotheres, Pleistocene proboscideans, Pliocene proboscideans and Prehistoric placental genera.

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Orthogenesis

Orthogenesis, also known as orthogenetic evolution, progressive evolution, evolutionary progress, or progressionism, is an obsolete biological hypothesis that organisms have an innate tendency to evolve in a definite direction towards some goal (teleology) due to some internal mechanism or "driving force".

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Pliocene

The Pliocene (also Pleiocene) is the epoch in the geologic time scale that extends from 5.333 million to 2.58 million years ago.

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Rhynchotherium

Rhynchotherium is an extinct genus of proboscidea endemic to North America and Central America during the Miocene through Pliocene from 13.650 to 3.6 Ma, living for approximately. Stegomastodon and Rhynchotherium are gomphotheres, Pliocene proboscideans and Prehistoric placental genera.

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Sinomastodon

Sinomastodon ("Chinese mastodont") is an extinct gomphothere genus (of order Proboscidea) known from the Late Miocene to Early Pleistocene of Asia, including China, Japan, Thailand, Myanmar, Indonesia and probably Kashmir. Stegomastodon and Sinomastodon are gomphotheres, Pleistocene proboscideans, Pliocene proboscideans and Prehistoric placental genera.

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Smithsonian Institution

The Smithsonian Institution, or simply the Smithsonian, is a group of museums, education and research centers, the largest such complex in the world, created by the U.S. government "for the increase and diffusion of knowledge." Founded on August 10, 1846, it operates as a trust instrumentality and is not formally a part of any of the three branches of the federal government.

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References

[1] https://en.wikipedia.org/wiki/Stegomastodon

Also known as Morrillia, Stegomastodon humboldti, Stegomastodon mirificus, Stegomastodon waringi.