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Product details

Product description and measurements

Ecological interactions and morphology of Deinosuchus and Kritosaurus during the Late Cretaceous of North America

During the Late Cretaceous, approximately 82–73 million years ago, the ecosystems of western North America supported significant faunal diversity, with the coexistence of two iconic genera: Deinosuchus , a large crocodilian, and Kritosaurus , a widespread herbivorous hadrosaurid. The combined study of both taxa provides a comprehensive view of the trophic dynamics, morphological adaptations, and potential ecological interactions in the fluvial and coastal habitats of the Aguja Formation, the Judith River Formation, and other equivalent geological units.

Deinosuchus ("terrible crocodile") was one of the largest known crocodilians, with estimates placing its length between 10 and 12 meters. Its massive, heavily structured skull features extremely robust jaws and bulbous teeth adapted to exert a crushing bite force comparable to or even greater than that of modern crocodiles. These characteristics suggest an opportunistic, predatory lifestyle, possibly ambushing large prey, including terrestrial dinosaurs, as evidenced by bite marks identified on hadrosaur bones. Its fossil distribution in estuarine, swampy, and riverine environments reinforces the hypothesis that Deinosuchus played an ecological role similar to that of today's large semi-aquatic predators.

On the other hand, Kritosaurus , a representative genus of saurolophine hadrosaurids, is characterized by a robust body, well-developed limbs for quadrupedal and bipedal locomotion, and a skull with distinctive nasal ornamentation that possibly supported a cartilaginous or soft structure, whose function may have been related to communication or intraspecific recognition. Its mouth apparatus, composed of hundreds of replaceable teeth arranged in dental batteries, was highly specialized for processing fibrous plant material, allowing it to exploit a wide range of plant resources in humid, wooded environments. Kritosaurus remains have been found in deposits associated with floodplains, suggesting that it inhabited regions with abundant riparian vegetation.

The coexistence of Deinosuchus and Kritosaurus in the same habitats raises possible ecological interactions between predator and prey, albeit indirect and occasional. The presence of bite marks attributable to Deinosuchus on hadrosaurid fossils suggests active predation or scavenging. Despite the fundamental ecological difference between the two genera—one carnivorous and semiaquatic, the other herbivorous and terrestrial—their interaction structured part of the trophic dynamics in the Mesozoic ecosystems of North America.

Approximate measurements of the female Kritosaurus:

  • Scale 1:60 Complete
    • Length 98 mm
    • Height 70 mm
    • Width 57 mm
    • Snout-tail length 127 mm
  • Scale 1:35 Complete
    • Length 168 mm
    • Height 119 mm
    • Width 97 mm
    • Snout-tail length 217 mm
Information about aftershocks

Collector's item ; Hyper-realistic replica, highly detailed and with a high degree of scientific precision.

Made to scale, prototyped in resin and with a scenic base in most of the models offered. If you like miniatures, both for collecting and for painting, we offer you a wide variety of scale replicas; All of them related to dinosaurs, extinct prehistoric fauna and current fauna.

So if you love dinosaurs and animals as much as we do, this is your favorite store to collect and paint them :)

We are authorized distributors of all the replicas and figures we offer. We use 3D printers with 8K - 14K resolution, and high-quality resins with additives to improve hardness and flexibility, thus offering replicas of impeccable quality.

Different scales will be used to make the replicas (depending on the size of the species), although we are open to making other suggested scales upon request as long as they fit in our printing trays, for which you will have to contact us via email and request the required size.

Replicas are supplied with the option of airbrush priming in dark grey. If you require another colour, please let us know which one you prefer in the box with special instructions for the seller. Without priming, we do not guarantee that the resin will accept paint.
We also offer the option of choosing a professionally painted replica, which is agreed upon throughout its development with the painter, through a private chat available.

Complete replica (one piece): We supply complete replicas in those models that are small, and models that are medium, large or not very bulky, will have the prerogative of being presented as a complete replica or assembly kit as the case may be.
Complete replicas will be supplied separately from their base.

Replica assembly kit: We supply replicas whose models are large, very large or bulky, only with this option.
The indicated replicas (generally composed of base, head, body and tail) will come prepared for the subsequent assembly that will be required by the client, by sanding, putty, adhesive or technique chosen by the client.

All replicas are thoroughly inspected before shipping and will be carefully packaged to prevent damage during transport.

Information about the models

The poses of the models aim to represent each character in the most scientifically viable way, thus revealing the life and customs of prehistoric and modern fauna.

Each character has its own personality and develops in different life scenarios; birth, adolescence and play, hunting, feeding, fighting, courtship, death and many other scenes from their daily life, always from the creative perspective of their designers.

Handmade

All orders are individually prepared on the cutter for subsequent prototyping, obtaining a resin part that will require post-processing by manual and ultrasonic cleaning, support removal, ultraviolet curing, labeling and packaging.

We are authorized distributors

We offer both our own physical replicas and those that have been modeled by many of the best 3D designers, in order to offer you the greatest possible variety.

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