Name Meaning:  ????

Location Found:  Kem Kem Beds, Morocco

Geologic Era:  Cretaceous

Estimated Range:  ????

Estimated Size: ???? (probably on the smaller side)

Extinction: ????

I affectionately call this the “two-tone bone,” for its striking contrast of colors.  It is most likely a humerus, and is crocodilian in origin.  Unfortunately, an isolated find such as this makes it difficult to concretely identify the species it came from, though we can narrow it down to crocodiliforms found in those particular sediments.  

The Suspects:

Aegisuchus

Araripesuchus
Elosuchus
Hamadasuchus
Laganosuchus

Image Credits:

Aegisuchus:  By Original artwork by Henry P. Tsai, University of Missouri. – http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0030471, CC BY 2.5, https://commons.wikimedia.org/w/index.php?curid=18245991


Araripesuchus:  By Todd Marshall – Fig. 46C in Sereno PC, Larsson HCE (2009) Cretaceous Crocodyliforms from the Sahara. ZooKeys 28: 1–143. doi:10.3897/zookeys.28.325, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=8492543


Elosuchus  By Nobu Tamura (http://spinops.blogspot.com) – Own work, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=19458950


Hamadasuchus:  By CaptMondo – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=20515984


Laganosuchus:  By Nobu Tamura (http://spinops.blogspot.com) – Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=19459055