| 1 | All are members of the Proboscidea order of mammals. | |
| 2 | The mammoth, a ancient elephant, mammalia, long nose item, real elephant faculty. | |
| 3 | About 130 species of the tick hosts were classified into 20 orders from 3 classes, Reptilia , Aves and Mammalia in China. | |
| 4 | Using this method, we recovered the mammalian phylogeny with very extensive taxon sampling to elucidate interordinal relationships of mammals that remains a systematical problem. | |
| 5 | By using the concept of "germinal epithelium", the researches on the gonadal development of Pisces, Aves and Mammalia were unifying to some extent then their characters were convenient for compared. |