with prezygapophyseal joints forming a semi-rigid lattice that allowed it to move vertically

On the other hand

En el exuberante paisaje del Madagascar prehistórico

which was larger in males than in females

El descubrimiento de fósiles del Monolophosaurus jiangi ha proporcionado información valiosa sobre la diversidad de terópodos en el Jurásico temprano de China y ha contribuido a nuestra comprensión de la evolución de estos dinosaurios en esta región

Aenocyon dirus Elasmotherium with prezygapophyseal joints forming aUnder the icy Pleistocene sky, an adult male Aenocyon dirus, imposing in his bristly fur, confronts a young member of the herd over the territory. Resonant growls break the silence as the burly but inexperienced young man shows respect. The attempted fight depicts massive bodies colliding on the tundra, marking the rigid balance of power in the pack during the unforgiving ice age. Approximate measurements of the Aenocyon: Scale 1: 35 Length 55mm