The phrase "ancient specimen" is correct and usable in written English.
It can be used to refer to a sample or example from a very old time period, often in contexts related to archaeology, paleontology, or biology.
Example: "The museum displayed an ancient specimen of a dinosaur bone, dating back millions of years."
Alternatives: "historic sample" or "old artifact".
Fossils of the earliest algae — which are closely related to the ancestors of modern plants — are rare and, until now, the most ancient specimen was around 1.2 billion years old.
In the December issue of Geology, the team members report that they isolated a protein called osteocalcin from the bones and recovered the first intact amino acid sequences from an ancient specimen.
In addition, by developing relationships with museums and curators who have ancient specimen collections, they can stay abreast of what samples are available, which can help them develop novel research questions.
Is there any limit to how long it will preserve an ancient specimen?
Further comparison with an upgraded database comprising ancient specimen profiles yielded 100% classification in ancient teeth.
We can observe that, indeed, the incidence of type 1 transitions is very low in the 454 platform system (respectively 296.64 and 199.51 for the ancient and the modern specimen) compared to both the pure PCR system (1990.26 for the ancient specimen) and the mixed PCR-454 system (1006.02 and 1415.88 respectively for the ancient and the modern specimen).
As we drive up to Alberobello we pass some ancient specimens.
The California astronomy exhibit displays the state's astronomical history through telescopes and artifacts, and the meteorite exhibit shows various ancient specimens.
Nowhere has been as devastated as it was in 1987 or 1990, said the trust, but some sites had lost hundreds of trees including valued ancient specimens.
Technological advances in DNA recovery and sequencing have drastically expanded the scope of genetic analyses of ancient specimens to the extent that full genomic investigations are now feasible and are quickly becoming standard1.
A major focus of the research in the lab is to use DNA sequences from ancient specimens and present-day individuals to characterize population relationships and date evolutionary events.
