Eucameroth herbivorous dinosaurs of the titanosauroform group

Eucameroth (lat.: Eucamerotus) a genus of herbivorous dinosaurs from the Titanosauroform group (Titanosauriformes) of the Sauropoda infraorder (Sauropoda), who lived in the early Cretaceous period on the territory of modern England. The type species of this genus is Eucamerotus foxi.

Naming history

In 1871, British geologist and fossil collector John Whitaker Hulk.: John Whitaker Hulke) described 6 vertebrae found by Paleontologist William Fox (William D. Fox) near the Brighstone Bay Bay on Wight Island, and called the genus of the dinosaurs to whom they belonged, ecameroma. However, Hulk did not indicate the belonging of these vertebrae to a specific type (did not call the species epithet).

The name of the genus comes from the ancient Greek word “eu” (“good, strongly” and the Novolatinsky term “camerotus” (“equipped with voids”) and indicates that there are many cavities in the vertebrae of the dinosaur.

In 1880, the Hulk attributed to the ecamerot several more vertebrae. True, subsequently the researchers attributed all these finds to other taxons such as Ornithopsis Hulkei, Bothriospondylus Magnus (the same as Chondrostesaurus Magnus) and Pelorosaurus (lator.: Pelorosaurus).

Later, the former generic name Eucamerotus was used as the specific epithet for the holotype of Ornithopsis eucamerotus No. BMNH 28362.

By the way, the birth name proposed by the Hulk was much more successful compared to the names of Chondrosteosaurus or Ornithopsis, since the latter “were based on theoretical considerations, while the Eucamerotus names were the facts”: proposed by Harry Govir (English.: Harry Govier Seeley) The name ornithopis (“having a bird’s face”) indicated the alleged kinship of this dinosaur with birds, while Robert Owen (Robert Owen) The name Chondrostesaurus (Chondrostiozavr) denied this related relationship.

In 1995, that is, after more than a century, when the original birth name was completely out of use, William Blouse (English.: William Blows) revived it, using it in the designation of the typical type of Eucamerotus Foxi, the species epithet of which (Foxi) was assigned to him in honor of William Fox, who found fossil remains of the dinosaur.

In addition, Blows assigned the following bone remains to the same type species: no. BMNH R2522 (arch of a vertebra), paratypes no. BMNH R89 (2 dorsal vertebrae), no. BMNH R90 (another 2 dorsal vertebrae), and no. young person).

In addition to them, specimens no. BMNH R91 (3 dorsal vertebrae), no. BMNH R2523 (3 fragmentary dorsal vertebrae), no. BMNH R406 (anterior part of the body of one dorsal vertebra), no. BMNH R94 (1 fragmented dorsal), # MIWG 5314 (body of one dorsal juvenile) and # MIGW 5125 (front of body of one dorsal).

The scientist also took the fragmentary skeleton No. MIWG-BP001 here. This more complete specimen served as an important reason for the revival of the original generic name, however, its identity with the eucameroth remained very controversial, including due to the fact that the indicated skeleton was not scientifically described by anyone.

Description of eucameroth

Vertebrae about 20 centimeters long indicate that the dinosaur’s body length was approximately 15 meters.

The vertebrae have deep lateral depressions, pleuroceles, located mainly in their anterior part. There they are wide, and closer to the back of the vertebrae gradually narrow.

The vertebral bodies are wide and rounded, with a flat lower edge. They are strongly opisthocoelous, i.e. convex in front and concave in back. The arches of the vertebrae are large and have deep recesses in the upper part in front and behind. The spinous processes of the vertebrae are equipped with many ridges and expanded upwards.


In 1882, the French paleontologist Henri Emile Sauvage (fr.: Henri-Émile Sauvage) first attributed the eucamerote to sauropods. In 1911, Carl Alfred von Zittel (German).: Karl Alfred von Zittel) more specifically classified him as a member of the group Morosaurids (lat.: Morosauridae). Finally, in 1995, William Blows stated that this genus of dinosaurs belonged to the Brachiosaurid family (lat.: Brachiosauridae).

However, other researchers argue that the eucameroth can also be attributed to the Titanosaurus group (lat.: Titanosauria), however, inside it it is impossible to classify it except as a representative of the infraorder Sauropoda (Sauropoda) with an uncertain position.

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