The phrase "exceptional specimens" is correct and usable in written English.
It is often used to describe something that is particularly special, either because it is superior to its peers or because it is rare, unusual, or remarkable. For example: "The collection of rare butterflies that Mr. Smith has collected is truly exceptional - these specimens are some of the most extraordinary specimens in the world."
A sort of Indiana Jones of plants, Mr. Kirkham also travels the world to hunt down exceptional specimens.
Thanks to the preserved outline of caudal fluke soft tissues in exceptional specimens that we know the presence of the caudal fluke.
The coin is catalogued at between $200 and $1,300, though exceptional specimens have sold for more.
Exceptional specimens may be more than 40 cm in length and hold 3.5 litres of water and in excess of 2.5 litres of digestive fluid, although most do not exceed 200 ml.
We describe exceptional specimens of a new early middle Eocene (47.5 Ma) protocetid whale, Maiacetus inuus, that include an adult female skeleton, a near term fetal skeleton, and an adult male skeleton.
The fossil record of Charadriiformes is amongst the best of the modern bird groups [ 17] in terms of the numbers of taxa, but many specimens are fragmentary and reliable estimates of divergence dates are dependent on a limited number of exceptional specimens [ 73].
The letter, sent in 1766, illustrates — by its eloquence, moral clarity, and deep involvement with the issues of the day; and by a certain understated brashness on the part of its author — why Sancho was considered an "exceptional" specimen of his race, ultimately becoming the first black citizen to cast a ballot in the United Kingdom.
Gingerich said it took about two-and-a-half years to get permission to remove the skeleton, an exceptional specimen of a 37 million-year-old whale, Basilosaurus isis.
An exceptional specimen, certified in MS-67 condition, sold at auction for $29,900 in 2009.
Unidentified decapods shrimps were mostly too digested or fragmented to be measured, but measurable specimens ranged in size from 2 mm to 5 mm, with one exceptional specimen of 16 mm (carapax length).
But exceptional-looking specimens can sell for hundreds of dollars.
