How To Use Sirenia In A Sentence
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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
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The hyrax - elephant - sirenian core is well-accepted on morphological grounds.
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To understand isotopic variation in Florida sirenians, we selected four teeth for serial sampling.
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Sirenians are members of the group known as subungulates, thought to be distantly related to hyraxes, elephants, and perhaps, artiodactyls and perissodactyls.
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The order Sirenia is composed of manatees and dugongs, and the order Cetacea includes whales, dolphins, and porpoises.
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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
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Modern sirenians are large, docile, aquatic herbivores.
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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.
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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
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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
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The hyrax - elephant - sirenian core is well-accepted on morphological grounds.
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I think I may include the proposal for The Red Tree in Sirenia Digest #48, as an example, because I read back over it yesterday, and I truly am grateful the book described therein is not the book I ended up writing.
Being a Brief Account of Another Dead Day
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Corystosiren is a late-surviving dugong at a time when sirenian fossils are exceedingly rare in Florida.
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Granted, there are sirenian workers who have, indeed, suggested that Atlantic rifting might explain manatee distribution … but, those workers were publishing their papers in the early years of the 20th century (Arldt 1907)!
Archive 2006-01-01
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They are classified as ‘subungulates’ and believed to be related to hyraxes and sirenians.
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In this edition, the subungulates are considered to include only the orders Proboscidea, Hyracoidea, and Sirenia.
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It's behind a cut, because like everything in Sirenia Digest (subscribe today!), it is, obviously, "mature" and "not work-safe" and likely to offend (or at least confuse) anyone who doesn't think swamp ooze is sexy (I am told such people exist, though I myself doubt it can be true):
An Old Klingon Proverb
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All living sirenians are found in warm tropical and subtropical waters.
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I've been trying to find a piece for Sirenia Digest located at the place where cannibalism and tooth pain intersect.
"I'm praying for something that's worth drowning for..."
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The remaining sirenians, are seriously threatened by hunting, habitat degradation, and in the case of manatees, collisions with boats in the shallow coastal areas they prefer.
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Yesterday, I wrote what I think is the longest "prolegomenon" I've ever written for Sirenia Digest, at 1,140 words.
"My sins my own. They belong to me, me."
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This may have supported a strong, fleshy lip with which Thalassocnus grazed seagrass or kelp, much like manatees and their sirenian relatives.
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Yesterday was spent formatting Sirenia Digest #52 (and proofreading, and writing the prolegomenon), which is pretty close to being ready to go out.
"There's blood in the sky. It bleeds from the land."
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From the molecular viewpoint, however, the phylogenetic relationship among elephants, sirenians, and hyraxes remains confused.
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Marine mammals are divided into three orders: Carnivora, Sirenia and Cetacea.
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Modern sirenians (manatees and dugongs) are large, docile, aquatic herbivores that have flippers for forelimbs and no hind limbs.
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Sirenians are members of the group known as subungulates, thought to be distantly related to hyraxes, elephants, and perhaps, artiodactyls and perissodactyls.
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Dugongs and manatees make up the order Sirenia, so-named because dugongs and manatees are thought to have given rise to the myth of the mermaids or sirens of the sea.
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Sirenians are vegetarians, feeding on a variety of marine algae and higher plants.
