Sirenia - Wikipedia
The Sirenia (/ s aɪ ˈ r iː n i. ə /), commonly referred to as sea cows or sirenians, are an order of fully aquatic, herbivorous mammals that inhabit swamps, rivers, estuaries, marine wetlands, and coastal marine waters.
Sirenian | Manatees, Dugongs & Sea Cows | Britannica
Sirenian, (order Sirenia), any of four large aquatic mammalian species now living primarily in tropical waters where food plants grow. The three species of manatee (genus Trichechus) occupy warm latitudes of the coastal Atlantic and associated rivers, and …
ADW: Sirenia: INFORMATION
Sirenia is a small order, composed of just two extant families, Dugongidae and Trichechidae, with four current species. Family Trichechidae includes three species: West Indian manatees (Trichechus manatus), African manatees (Trichechus senegalensis), and Amazonian manatees (Trichechus inunguis).
Learn About the Sirenians - ThoughtCo
Jul 28, 2019 · Sirenians (Sirenia), also known as sea cows, are a group of mammals that includes dugongs and manatees. There are four species of sirenians alive today, three species of manatees and one species of dugong.
Sirenians: manatees and dugongs - Whale Scientists
Jan 4, 2021 · The Dugongidae (the dugong and, the now extinct Steller’s sea cow) and Trichechidae (manatees; namely the Amazonian manatee, West Indian manatee, and West African manatee) families make up the Sirenia order. …
Sirenia - Animalia
The Sirenia currently comprise two distinct families: Dugongidae (the dugong and the now extinct Steller's sea cow) and Trichechidae (manatees, namely the Amazonian manatee, West Indian manatee, and West African manatee) with a total of four species.
The earliest known fully quadrupedal sirenian | Nature
Oct 11, 2001 · Modern seacows (manatees and dugongs; Mammalia, Sirenia) are completely aquatic, with flipperlike forelimbs and no hindlimbs 1,2. Here I describe Eocene fossils from Jamaica that represent...
Sirenians - Ocean Animals
Sirenians are a group of aquatic mammals that belong to the order Sirenia, which includes dugongs and manatees. They have a large, rotund body shape and are found in warm coastal waters and rivers in the Caribbean, Gulf of Mexico, and the Amazon basin in South America, as well as the Indian and western Pacific Oceans.
3 - Affinities, origins and diversity of the Sirenia through time
Jan 5, 2012 · We begin with two essential questions that have long fascinated scholars of the Sirenia: what were their ancestors like, and who are their closest living relatives? First, we briefly review the history of morphological and palaeontological studies of these questions, and how the hypothesised affinities have been reflected in the placement of ...
Sirenians (Order Sirenia) - iNaturalist
The Sirenia currently comprise the families Dugongidae (the dugong) and Trichechidae (manatees) with a total of four species. The Protosirenidae (Eocene sirenians) and Prorastomidae (terrestrial sirenians) families are extinct.