Sentence examples for species date from inspiring English sources

Modern species date chiefly from the Pleistocene Epoch (beginning about 2.6 million years ago), and many facts concerning the distribution and differentiation of northern subspecies and species are explainable in terms of isolation during the periods of Pleistocene glaciation.

The earliest fossil remains of the modern species date back to the mid-Pleistocene in association with the refuse of early human settlements.

Samples were pooled according to species, date, and wetland; each pool consisted of 8 12 samples.

OntoMate also provides user-activated filters for species, date and other parameters relevant to the literature search.

The form's fields contained animal data including species, date of birth (mm/dd/yy), sex, breed, ovariohysterectomy or castration status, and place of residence.

Diagnosis, lab species, date, and reporting county are copied for every case, except those with infections that are reported to have originated abroad.

The University of Edinburgh researchers examined records of migrating bird species dating back almost 300 years.

The modern process of describing bird species dates from the work of the 18th-century Swedish botanist Carolus Linnaeus in 1758.

Some paleontologists claim that Cotyledion tylodes, a species dating to the Cambrian Period (542 million to 488 million years ago), may be an early entoproct.

Fossils attributable to cheetahlike species dating from two to three million years ago have been found in North America in what is now Texas, Nevada, and Wyoming.

The sketch appears in Darwin's first notebook on transmutation of species dating from 1837.