The elected New 7 Wonders of the World are the peopleâs choices, and they date from the earliest time that humankind walked upon the earth up through the year 2000. The Cameo:. These porcu-fine animals are considered âold worldâ porcupines instead of ânew worldâ and there is an explanation of the difference between the two. All the Best! They were particularly concerned with the border established in the Proclamation of 1763 and ⦠New World porcupines share their appearance of a spiny covering with Old World porcupines (family Hystricidae) and both belong to the Hystricognathi branch of the vast order Rodentia. Quills are like voluntary muscle type feature. Also, the difference lies in the pattern of teeth and the soles of the feet too. Anne McHale MW, our Wine Education Specialist, explains the logic behind the subtle yet crucial differences between bottle labels for Old World and New World wines. Porcupine Porcupines ⦠Both quills have a keratinous cortex filled with closed cell foam, that have good tensile strength, extensive deformation properties, and compressive capabilities. Porcupine: A Wildlife Guide To The Porcupine ï¸ The Old World porcupine does not need trees since they use the ground and have ⦠You will find porcupines in the ⦠Other than their home continents, what are the differences ⦠Porcupine vs Echidna, Size, Habitat, Predators, and more Some New World porcupines live in trees, but Old World porcupines stay on the rocks. There are New World Monkeys (Platyrrhini) and Old World Monkeys ⦠Add-On. Hystricidae - Old World porcupines | Wildlife Journal Junior Porcupine Noun Any of several rodents of either of the taxonomic families Hystricidae (Old World porcupines) or Erethizontidae (New World porcupines), Business.