moving using a jet propulsion system by expelling pressurized water through its funnel

its teeth were not specially adapted for tearing apart large prey

Dicraeosaurus is believed to have been a herbivore that fed primarily on low-growing plants such as ferns and conifers

Altura 25 mm

Tiktaalik roseae Machaeroprosopus moving using a jet propulsionTiktaalik roseae is a fossil vertebrate from the Late Devonian (approximately 375 million years ago) that represents a morphological and functional intermediate form between lobe finned fish and the first limbed vertebrates (tetrapods). The genus Tiktaalik was first described following discoveries in 2004 in rocks of the Canadian Arctic, on Ellesmere Island (Nunavut) , and constitutes one of the best examples of transition in the fossil record between