Word: mammals
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...cynodonts and dicynodonts are important for evolutionary study, since these families show already early signs of the evolutionary development that led from the lizard-like animal to the true mammal, which dominates the world today...
...Mammal-Reptile Link...
...Harvard Paleontologists were on an especial lookout for any traces of mammal-like reptile fossils. The origin and development of the mammal class is one of the most significant features of Mesozoic evolution. The cold-blooded ancestors of man and the other animals, who were somehow equipped to survive the conditions that eliminated most of their follow reptiles, have left relatively little evidence of their progress during these hundrd million years...
...another mammal-like family, the herbivorous "two-tusker," or dicynodont, the Harvard party obtained a number of good skulls and skeletons. These peaceful lizards, six feet or so in length, were among the commonest reptiles in the Triassic period, but were rapidly killed off, probably by their meat-eating cynodont relatives and other carnivorous forms...
...wren for them that he discovered for sportsmen the tarpon of Cuba, in the Encantado (Enchanted) River. His fishing lexicon is shot richly through with biological side glances. It is interesting to know that the jutla (arboreal rat) of Cuba is that island's only native mammal, discovered by Columbus; that the weakfish which spawn in Peconic Bay do so without issue, some cause aborting all their efforts north of the Delaware Capes though a primeval urge drives them still to run to Peconic in millions from their deep winter beds off Hatteras; that a flounder's eyes...