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Henry Hugh Higgins (1814–1893) was an English botanist, bryologist, geologist, curator and clergyman. He is cited as an authority in scientific classification, as Higgins.
Dbpediathing
The Devonian is a geologic period and system of the Paleozoic Era spanning from the end of the Silurian Period, about 419.2 ± 3.2 Mya (million years ago), to the beginning of the Carboniferous Period, ...
Cycad
Cycads /ˈsaɪkædz/ are seed plants typically characterized by a stout and woody (ligneous) trunk with a crown of large, hard and stiff, evergreen leaves. They usually have pinnate leaves. The individua ...
Wikipedia Article
In terrestrial zoology, megafauna are large or giant animals. The most common thresholds used are 45 kilograms or 100 kilograms . This thus includes many species not popularly thought of as overly lar ...
Definition
The Permian is a geologic period and system which extends from 298.9 ± 0.2 to 252.2 ± 0.5 (Million years ago). It is the last period of the Paleozoic Era, following the Carboniferous Period and preced ...
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