Platalearostrum hoekmani Variante:Pintado a mano It is the oldest known

It is the oldest known ankylosaurid to date

which allowed them to adjust their buoyancy and control their position in the water

referring to the probable defensive use of the tail in combat or as a deterrent against bipedal predators such as contemporary theropods

swampy environments dominated by dense networks of rivers and deltas

Platalearostrum hoekmani Variante:Pintado a mano It is the oldest knownPlatalearostrum hoekmani was an extinct odontocete belonging to the family Delphinidae, described in 2010 from a fragmentary rostrum recovered by bottom trawling in the North Sea, approximately 110 km west of Rotterdam. The specimen, housed at the Natuurhistorisch Museum Rotterdam, represents the holotype of the species and is distinguished by an exceptionally short, broad and robust cranial anatomy. Its generic name refers directly to the spatulate