Sentences with phrase «from fragmentary fossils»

Identifying new species from fragmentary fossils is a challenge.

Not exact matches

Researchers reconstructed Timurlengia by combining its fragmentary fossils (shown in red) with bones from other, closely related tyrannosaurid species (in white).

Fragmentary fossils of the new species — bones from a fairly complete skull, as well as some from one wing and leg — were discovered in 1983, when excavations began for a new terminal at Charleston International Airport.

Bird fossils from 72 to 66 million years ago are fragmentary, says Joel Cracraft at the American Museum of Natural History in New York.

Dr Berry has been studying cladoxylopsids for nearly 30 years, uncovering fragmentary fossils from all over the world.

It has even allowed us to identify new fossil hominin species, sometimes from just fragmentary tooth remains, and to reconstruct which species is more closely related to whom.

Early hominin stature reconstructions are notoriously difficult to assess: the limited number of intact long bones available in the fossil record often requires reconstruction of the long bone length from fragmentary remains, before different methods can be used to estimate the stature; the eventual results can differ according to the method employed.

Although specimens of fishes, marine reptiles, non-avian dinosaurs, birds, and mammals of this age have all been recovered from this now - frozen continent, most fossils, especially those of land - living species, are fragmentary and poorly informative, and a number of major vertebrate groups that likely once lived in Antarctica (e.g., amphibians, crocodilians) have yet to be discovered at all.

Researchers from the Institute of Natural Resources, Ecology and Cryology found some fossils in the Kulinda Valley near Chita in 2010 but they were fragmentary.

[1] The oldest known unambiguous elephant seal fossils are fragmentary fossils of an unnamed member of the tribe Miroungini described from the late Pliocene Petane Formation of New Zealand.