Sentences with phrase «fragmentary fossil»

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

1825: Only the second dinosaur (after Megalosaurus) to be classified scientifically, the species's first fragmentary fossils were named by British paleontologist Gideon Mantell for the similarity of their teeth to those of iguanas.

For decades, fragmentary fossils had hinted that extinct birds once had wingspans of 6 metres, more than twice that of the wandering albatross, which now holds the record.

After four years of searching, he uncovered a skullcap with a simian - like brow ridge and a large brain case, along with other fragmentary fossils, buried near the Solo River on the Indonesian island of Java.

That's why the most significant applications for ZooMS may be to identify fragmentary fossils and to learn more about ancient hominins» environments — especially the ones they created.

Researchers gather in the Eastern Gallery of Denisova Cave, a location that has yielded thousands of artifacts and bones, including all of the fragmentary fossils of Denisovans yet known.

This study suggests that more detailed studies of fragmentary fossils may reveal additional, currently unrecognized, species.

Identifying new species from fragmentary fossils is a challenge.

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.

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

Our work shows that even small, fragmentary fossils can be enormously useful.»

[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.

Not exact matches

««Fossil evidence of human evolutionary history is fragmentary and open to various interpretations.

«As lots of new fossil species are named every year, in some cases, such as with fragmentary or limited remains, the decision to name a new species should be considered very carefully.»

Unfortunately, fossil specimens that could help to trace earlier phases of cichlid evolution are quite rare, and most are poorly preserved and / or fragmentary.

As with other evidence of smaller pterosaurs, the fossil specimen is fragmentary and poorly preserved: researchers should check collections more carefully for misidentified or ignored pterosaur material, which may enhance our picture of pterosaur diversity and disparity at this time.»

Earlier this year, researchers working at another site in the Afar region found the oldest known Homo fossils: Dated to 2.8 million years old, the fragmentary jaw and teeth, not yet formally assigned to H. habilis, suggest Homo emerged 400,000 years earlier than currently thought.

Calvapilosa wasn't the oldest creature in its primitive lineage, the researchers note, but it is the best known because fossils of its closest kin have been extremely fragmentary.

Most fossils are fragmentary and scrappy.

Many anthropologists have argued that A. africanus couldn't be our direct ancestor largely because of timing: The earliest known members of the genus Homo — though their classification remains controversial and their fossils fragmentary — turn up in East Africa soon after A. africanus appears in South Africa.

But he cautions that the fossils are still too fragmentary to be certain that the more complex feathery structures actually correspond to those found later in birds.

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

Thewissen uncovered some isolated fossil whale astragali a few years ago, but those bones were fragmentary and showed a puzzling combination of whale and artiodactyl features.

Between about 200,000 and a million years ago, our view of human origins is blurred — most of the fossils of hominins, or members of the human family, are isolated, fragmentary, or spread widely across Europe, Asia, and Africa.

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.

Here, we prospected the Cape Lamb and Sandwich Bluff localities, which had already produced important, if generally fragmentary, fossils of fishes, marine reptiles, dinosaurs, and birds.

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.

«He is a small guy, and [the fossil is] very fragmentary,» paleontologist Brian Andres of the University of South Florida, a co-author of the study, told LiveScience.