The phrase "a very large specimen" is correct and usable in written English.
It can be used when describing an object, organism, or item that is notably bigger than average in size.
Example: "The museum displayed a very large specimen of a prehistoric dinosaur skeleton that amazed all the visitors."
Alternatives: "an exceptionally large specimen" or "a significantly large specimen".
Finally, measurements of the claw sample (DGI-4) found in 2016 at the Novosibirsk Islands Archipelago (the extreme north of Yakutia), indicate that it was a very large specimen compared to modern brown bear claws from Yakutia and other regions, as well as modern polar bear claws (Supplementary Information; Supplementary Table 2).
The Tasmanian crab, which may weigh well over 9 kg (20 pounds), has much shorter, stouter claws; the major one may be 43 cm (17 inches) long; the body, or carapace, of a very large specimen may measure 46 cm (18 inches) across.
Man-eating spotted hyenas tend to be very large specimens; a pair of man-eating hyenas, responsible for killing 27 people in Mlanje, Malawi, in 1962, were weighed at 72 kg (159 lb) and 77 kg (170 lb) after being shot.
We show that in the limit case Lc → 0 (which corresponds to considering very large specimens of a microstructured metamaterial) the meso- and micro-coefficients of the relaxed model can be put in direct relation with the macroscopic stiffness of the medium via a fundamental homogenization formula.
Pressurised thermal shock tests that simulate fracture conditions relevant to nuclear reactor pressure vessels are difficult to perform and require very large specimens.
Examining layers of rock from that period, they focused on fossil-bearing outcrops in Utah which contain very large specimens of gastropods, up to 7 cm, which can be termed "giants" in comparison to those generally found that are normally no larger than 1 cm.
Very large specimens, particularly those from East Africa, give birth to the highest numbers of offspring.
Very large specimens of some other species such as megamouth sharks (Megachasma pelagios), Pacific sleeper sharks (Somniosus pacificus), Greenland sharks (Somniosus microcephalus), and bluntnose sixgill sharks (Hexanchus griseus) can attain similar sizes as tiger sharks.
Very large specimens may possibly weigh up to 20 kg, which would rank them as the world's heaviest venomous snake ahead of the Eastern diamondback rattlesnake, but these masses are not known to have been verified.
Although not as prominent, dorsally expanded squamosals are sometimes found in very large specimens of most other living species of Crocodylus, including C. niloticus (Fig. 9C).
If maintaining physical vouchers is not feasible (very large specimens, etc).
