How To Use Sirenia In A Sentence
- The oldest is the Gehannam Formation (ca 40-41 million years old) consisting of white marly limestone and gypseous shale and yielding many skeletons of archaic whales (archaeocetes), sirenians (sea cows), shark teeth, turtles, and crocodilians. Wadi Al-Hitan (Whale Valley), Egypt
- The hyrax - elephant - sirenian core is well-accepted on morphological grounds.
- To understand isotopic variation in Florida sirenians, we selected four teeth for serial sampling.
- Sirenians are members of the group known as subungulates, thought to be distantly related to hyraxes, elephants, and perhaps, artiodactyls and perissodactyls.
- The order Sirenia is composed of manatees and dugongs, and the order Cetacea includes whales, dolphins, and porpoises.
- Nineteen other species of invertebrates are known: three species of early sirenian (sea cow), one partial skeleton of the primitive proboscidian Moeritherium, early mammals, sharks, crocodiles, three kinds of sawfish, rays, cartilaginous and bony fishes, several kinds of turtles, including a sea turtle and a sea snake. Wadi Al-Hitan (Whale Valley), Egypt
- Modern sirenians are large, docile, aquatic herbivores.
- Sirenians belong to a group called subungulates, which includes elephants and hyraxes, two animals that by appearances and habitat would seem to have nothing in common.
- The narial aperture is thus pushed up, and is short, with an upward direction, as in the Cetacea and Sirenia, with whom the Proboscidea have certain affinities. Natural History of the Mammalia of India and Ceylon
- Nineteen other species of invertebrates are known: three species of early sirenian (sea cow), one partial skeleton of the primitive proboscidian Moeritherium, early mammals, sharks, crocodiles, three kinds of sawfish, rays, cartilaginous and bony fishes, several kinds of turtles, including a sea turtle and a sea snake. Wadi Al-Hitan (Whale Valley), Egypt
