dental microwear analyses indicate that it had a varied carnivorous diet

Width 72 mm

One of the most striking features of the Inostrancevia alexandri is its robust and long skull

not only on its arms and tail

In the embryo

Tiktaalik roseae Variant:Hand painted dental microwear analyses indicate thatTiktaalik 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