A new examine tracks the evolution of the sea cow

KOMPA.com – A review identified evolution sea ​​cowa member of Sirenia who is an order mammal which contains 4 species, viz blood (genus dugong) and 3 manatees (genus Trichechus).

Sea cow it is a distinctive creature simply because it is the only aquatic mammal that is also herbivorous. Its habitat is primarily in heat waters, close to the coastline and comparatively shallow.

In a new write-up released in the magazine Peer Jthe researchers also gathered the most finish heritage on the ancestors of sea cows.

Browse also: After prosperous in water, historic sea cows lived in the Egyptian desert

Quoted by Science fiction informationon Sunday (8/28/2022) fossil evidence reveals that several unique styles of sea cows lived in the past.

In the course of their extensive heritage, sea cows have also lived together the coasts of all continents apart from Antarctica.

“The earliest acknowledged fossil sea cows are all over 47 million many years previous and these animals lived along the North African coast in the Proto-Mediterranean Sea and their diversity and biogeophagy has developed considering that then,” reported Steven Heritage, co-creator of the analyze from Duke Lemur Middle Purely natural Background Museum.

The research results located that the earliest sea cow species experienced four legs and lived as amphibians. Compared with today’s sea cows, they lacked hind legs and ended up outfitted with several anatomical adaptations that produced them wholly aquatic.

“While fashionable manatees and dugongs have no hind legs and live in water, in the previous sea cows were identified to have four legs and had been able to wander on land,” Heritage claimed.

Even further examination also displays that the dugong’s direct ancestor advanced in South America and migrated to the Caribbean and then to the coastline of North America.

For much more than 20 million years, a lot of northern South The usa has been protected with freshwater wetlands. This indicates that the emergence of the Amazon River system with drainage in the Atlantic Ocean commenced only a handful of million several years back.

“In a way, manatees are newcomers to this western Atlantic ecosystem,” Heritage claimed.

Examine also: Steller’s sea cow, a marine mammal that turned extinct in fewer than a few a long time

–