Of course, the chances of the above scenario happening are unlikely. But if you ever find yourself in a time capsule, avoid going for a swim as you might end up face-to-face with one of the largest snakes ever known, the 30-foot sea snake known as the Paleophis.
Scientific Name and Classification
Paleophis is an extinct genus of marine snakes from the Eocene Epoch. The name of this genus translates as “ancient snake,” which is fitting considering the age of the reptile. This marine reptile lived in aquatic environments in various locations worldwide. This snake belongs to the Palaeophiinae (Palaeophiidae) family. Little is known about this subfamily of snakes. Records show that the genus and others within the same family lived from the Late Cretaceous to the Late Eocene. This was approximately 70.6–33.9 million years ago.
Description—How Big Was the Paleophis?
The reticulated python (Malayopython reticulatus) is one of the longest snakes in the world. This massive snake has an average length of about 29 feet and weighs close to 600 pounds. The longest one ever found was about 32 feet long. Nevertheless, it still would have been no match for the Paleophis if the marine monster was still living today. The largest species in this genus is the Palaeophis colossus, which was known to have an estimated length of 29.5 feet to 40.4 feet. While this might not be massive by prehistoric standards since many ancient animals grew to enormous sizes, the Paleophis is still one of the largest known snakes. However, only some members of this genus were gigantic. The smallest member of the genus—Palaeophis casei—was only 4.2 feet.
Where Did Paleophis Live?
Based on the geological distribution of the fossils of this 30-foot sea snake, scientists have concluded that it was an aquatic animal. Fossils were mainly found in marine deposits. However, a few estuarine remains exist too. While scientists agree with the general classification of this snake as a marine reptile, they probably occupied different ecological niches which varied from one species to the other. The reptiles inhabited a range of freshwater, estuarine, shallow marine coastal, and even open marine environments. The subfamily is generally categorized into three grades based on their ecological distribution. There’s the primitive Paleophis grade which represents snakes that were slightly modified for aquatic life. Then there’s the advanced Paleophis grade which includes species whose vertebrae are clearly modified for aquatic life. The third category contains snakes that are highly modified for aquatic life. The largest member of this genus, the Palaeophis colossus, is believed to have lived in the location of the present-day Sahara Desert. Although it is a subtropical dryland today, scientists think this location was once underwater. The now-extinct sea was known as the Trans-Saharan Seaway. It was home to the Paleophis and other prehistoric monsters. Although snakes and many other reptiles today are cold-blooded, experts think the Paleophis was most likely warm-blooded. Studies of the snake’s vertebrae show a high degree of vascularization. This suggests that the snake probably had faster metabolism than modern snakes. In addition to rapid growth, it is believed that the reptile could regulate its body temperature internally, like warm-blooded animals. Interestingly, the Paleophis is not the only endothermic prehistoric reptile. The mosasaurs probably regulated their internal temperature this way too.
Discovery
Fossils of species within this genus have been found in various locations across Europe and Africa. This includes England, Denmark, France, Morocco, and Mali; a few remains have also been found in North America. The North American specimens were found in formations that date back to the Early Eocene. Due to the poorly-preserved state of their fossils, members of this family are poorly known. The fossils found so far are mainly in the form of disarticulated vertebrae and ribs with a few vertebral segments. This has made it difficult to fully understand this snake’s appearance, habits, and habitats. The recent discovery of isolated vertebrae and rib segments belonging to the Palaeophis maghrebianus in Africa has given us deeper insights into the massive size this snake family attained.
Is the 30-Foot Sea Snake Related to Any Living Snake?
In most fossil discoveries of this 30-foot sea snake, only vertebrae and rib bones are found. The lack of cranial bones has made it difficult for scientists to get an accurate understanding of the possible affinities of this snake. So far, their relationship with other groups of snakes is unknown. Some scientists think they might be related to the boas and pythons, but there’s no conclusive evidence for this hypothesis. They are relatives of the Pterosphenus, another extinct genus of marine snakes that lived during the Eocene. Both snakes are members of the Palaeophiidae family, but they have no living relatives.
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