6
inosaurs were no
special animals that
existed during a scary era, they’re like all other creatures as they found themselves with features that gave them an upper hand in surviving for millions of years. In fact, dinosaurs dominated the Earth even after their "extinction".
If we look
at the
massive
diversity in
dinosaurs we
could see how
complex it is to
define one
based on
morphology.
Their phylogeny
is one of the most
impressive yet,
considering the fact that there’s a lot of families and species that existed in different periods, at different times. A lot of dinosaurs lived millions of years apart and in different places. One of the biggest misconceptions one could have on dinosaurs is that they all lived in one place at the same time and this is completely false as they were spread all over the actively moving Pangaea supercontinent through millions of years which means most of the famous dinosaurs that we know of would’ve never met each other.
This order is characterised by the form of their pelvis that is similar to the pelvis of birds, which appears in their name: Ornithischia (bird-hipped dinosaurs). Though their pelvis is similar to that of birds, they are not really direct relatives and they developed their pelvis.
independently . One of their common characteristic is their pre-dentary bone and their teeth that are shaped like a leaf which helped them grind plants in a very efficient way.
In addition, unlike sauropods, they developed intestines that grew backwards which bent their pelvis backwards which made them primarily facultatively bipedal but some were quadrupedal due to their heavy armor.
there’s a lot of families and species that existed in different periods, at different times. A lot of dinosaurs lived millions of years apart and in different places.
One of the most inaccurate ideas one could have on dinosaurs is that they all lived in one place at the same time and this is completely false as they were spread all over the planet which means that most of the famous dinosaurs that we know of would’ve never even met
each other.
Stygimoloch, a bipedal herbivore with very strong head bones.
Ankylosaurus
D