monotremes's Usage Examples:

Further, it is considered that too much weight has been assigned to the characters distinguishing monotremes from other mammals, foetal marsupials showing a monotreme type of coracoid, while it is probable that in the long run it will be found impossible to maintain the essential dissimilarity between the milk-glands of monotremes and other mammals.

There is much to be urged in favour of either view; and in adopting the former alternative, it must be borne in mind that the difference between monotremes and marsupials is vastly greater than that which separates the latter from placentals.

The name scaly anteater is applied to the pangolin; the banded anteater (Myrmecobius fasciatus) is a marsupial, and the spiny anteater (Echidna) is one of the monotremes (see Marsupialia and Monotremata).

The group, which has also the alternative title of Didelphia, is by some authorities regarded as a sub-class of the mammalia of equal rank with the Monotremata, while by others it is brigaded with the placentals, so that the two together form a sub-class of equal grade with the one represented by the monotremes.

) The existing monotremes and marsupials are each represented only by a single order; but the placentals are divided into the following ordinal and subordinal groups, those which are extinct being marked with an asterisk (*) i.

Price North Andaman Mya ?The egg-laying monotremes (Prototherians) diverged from the main stock in the early Jurassic period (some 200 mya ).

Winge, a large number of these creatures are primitive monotremes.

According to the latter, the early monotremes which became specialized into modern monotremes, gave rise to the ancestors of the modern marsupials; while the modern placentals are likewise an offshoot from the ancestral marsupial stcck.

Adult monotremes are in like case, although the duckbilled platypus (Ornithorhynchus) has teeth when young on the sides of the jaws.

Finding a fossil monotreme in Argentina suggested that monotremes once occurred across Gondwanaland (Antartica, Australia and South America ).

Pangolin >>The name scaly anteater is applied to the pangolin; the banded anteater (Myrmecobius fasciatus) is a marsupial, and the spiny anteater (Echidna) is one of the monotremes (see Marsupialia and Monotremata).

Synonyms:

prototherian, anteater, Ornithorhynchus anatinus, spiny anteater, platypus, egg-laying mammal, duckbilled platypus, duck-billed platypus, echidna, duckbill,

Antonyms:

beakless,