(Encyclopedia) Allosaurus, late Jurassic carnivorous dinosaur of the W United States. Specimens of 30 to 40 ft (9 to 12 m) have been found. It had stong hind legs, smaller sharply clawed forelimbs,…
(Encyclopedia) IguanodonIguanodonĭgwănˈədŏn [key] [Gr., = iguana tooth], herbivorous ornithiscian dinosaur, characterized by teeth similar to those of the iguana, a horny beak, spikelike thumbs, and…
A controversial study by researchers at the University of Florida and Carnegie Institution theorizes that space dust in Earth's atmosphere and changes in the planet's orbit may…
(Encyclopedia) DeinonychusDeinonychusdīˌnənīˈkəs [key] [Gr.,=terrible claw], swift bipedal carnivorous dinosaur of the early Cretaceous period, approximately 119–93 million years ago. Fossil…
(Encyclopedia) ApatosaurusApatosaurusăpˌətəsôrˈəs, āˌpătˌə– [key], [Gr.,=deceptive lizard], quadruped saurischian dinosaur, estimated to be from 70 to 90 ft (21 to 27 m) in length and to weigh up to…
(Encyclopedia) PachycephalosaurusPachycephalosauruspăkˌĭsĕfˌəlōsôrˈəs [key] [Gr., = thick-headed lizard], bipedal herbivorous dinosaur of the late Cretaceous period, approximately 68–65 million years…
Going on a road trip? The St. Louis Arch, Statue of Liberty and Golden Gate Bridge are great tourist sites. But if you prefer offbeat destinations, check out these roadside attractions…
(Encyclopedia) Rocky Hill, town (1990 pop. 16,554), Hartford co., central Conn., a suburb of Hartford, on the Connecticut River; settled c.1650, inc. 1843. Chemical coatings and synthetic textiles…
(Encyclopedia) Haddonfield, borough (2020 pop.
12,550), Camden co., SE N.J., a residential suburb of Camden and
Philadelphia; settled c.1713, inc. 1875…
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