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Velociraptor vs Oviraptor?


akazaran

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I would like to know if it s possible to differentiate a velociraptor and an oviraptor hand claw. Are there any objective criteria that distinguish them?

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  • Fossildude19 changed the title to Velociraptor vs Oviraptor?

Velociraptor is a dromaeosaurid so it hand claws have the morphology typical of that family.  This species claws are not very large in fact they are pretty small, this one is about  4 cm straight line so that is one key feature.  

Screenshot_20180227-133115.thumb.jpg.da0cf130e2406f0a65d602c4b86cd3be.jpg

 

The articulation surface is more of a half moon shape.

Screenshot_20180227-140806.thumb.jpg.a58136cd58139335a8b85777b98190cd.jpg

 

 

The species Oviraptor philoceratops has much bigger hands with claws that are quite a bit larger, see photo scale.  Another feature to look at is what I call the "trigger" or the lip on the dorsal edge that I have circled, it's very pronounced.  The shaft is also wider (see arrows) on the side view where Dromaeosaurid's have much more of a curvature

Screenshot_20180227-133608_20180227140002867.thumb.jpg.72858bca10aeeeca7021da2fb0077ca8.jpg

 

 

 

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