Stable isotope evidence for an amphibious phase in early proboscidean evolution.
From the scienceblogs.com
The genus is assigned to the proboscidean family Elephantidae.
From the en.wikipedia.org
Geologists at Wheaton College identified the bone as the femur of a fossil proboscidean, officials said.
From the dailyherald.com
Elephantidae has also been revised by various authors to include or exclude other extinct proboscidean genera.
From the en.wikipedia.org
Given that that proboscidean tusks grow throughout the animal's life, older animals will tend to have longer tusks, and so are more likely to cross.
From the en.wikipedia.org
More examples
Massive herbivorous mammals having tusks and a long trunk
Proboscidea is an order containing one living family, Elephantidae, and several recently extinct families, Gomphotheriidae (a subfamily of Elephantoidea), possibly Stegodontidae (depending on the assignment of Stegodon) and Mammutidae. ...