Inflections of proterosaurus [n.]
| sing. | proterosaurus |
| plur. | proterosauri |
Words with the same pattern :
tribulus jumping cactus isospondylus diplococcus beatus Koch's bacillus propositus rectus vagus alumnus rhonchus subsulcus peroneus gladius staphylococcus gonococcus paracephalus calathus mundungus daughter nucleus ... (351 mots)