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 (măs′tə-dŏn′) also mas·to·dont (-dŏnt′)
Any of several very large, extinct proboscidian mammals of the family Mammutidae of the Miocene, Pliocene, and Pleistocene Epochs, resembling elephants but having molar teeth of a different structure.

[New Latin Mastodōn, genus name : Greek mastos, breast, nipple + Greek odōn, tooth (from the nipple-shaped protrusions on the crowns of its molars); see dent- in Indo-European roots.]

mas′to·don′ic adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mastodont - extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene timesmastodont - extinct elephant-like mammal that flourished worldwide from Miocene through Pleistocene times; differ from mammoths in the form of the molar teeth
proboscidean, proboscidian - massive herbivorous mammals having tusks and a long trunk
genus Mammut, genus Mastodon, Mammut - extinct type genus of the Mammutidae: mastodons
American mastodon, American mastodont, Mammut americanum - mastodon of North America; in some classifications considered a mammoth rather than a mastodon
References in periodicals archive ?
Mammoths, mastodonts, and elephants: biology, behavior, and the fossil record.
The Shafer Mastodont Locality, like most of the other lakes and bogs that have yielded mastodonts in Indiana, is a shallow deposit of aquatic sediments that was truncated early in the Holocene.
All of the discussants at this yearly forum doubtlessly would agree that the most awesome and important members of the Pleistocene fauna are the mastodonts and mammoths, huge proboscideans (elephant-like beasts) that were the dominant members of the terrestrial community of the time.
Lucas & Effinger (1991) and Lucas & Morgan (1997) reviewed the published records and accessible museum collections of mammoths (genus Mammuthus) and mastodonts (Mammut americanum) from New Mexico, respectively (see also Harris 1993).
Mastodonts (preferred spelling; see Abraczinskas 1993, 447 land in this volume]), as far as is known at present, all became extinct everywhere by about 10,000 years ago.
1 mm, a value within the observed range of the Ingleside mastodonts (Lundelius 1972: Table 23).
This is the seminal paper on the mastodonts and mammoths of Michigan.
Kapp not only did internationally recognized work in palynology , but published on and stimulated much interest in the mastodonts and mammoths of the state.
Fisher's evidence for the butchery of mastodonts by human hunters in Michigan.
1986), but the main contribution of the paper reflects on the 5:1 dominance in Michigan of mastodont fossils over mammoths, and suggests that mastodonts were ecological generalists, better adapted to a diversity of habitats than the mammoth, which was more of a specialist.
Interest concerning the relationships between mastodonts and mammoths and early humans in Michigan was sparked by the provocative papers of two authors, Ronald Mason (1958) and George I.
This is the most recent comprehensive update on the distribution of mastodonts and mammoths in Michigan.