[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: Unescoceratops and Gryphognathus, new ceratopsians from Alberta

Isn't the name Gryphognathus already preoccupied by a dipnomorph fish? See: 


> From: Ben Creisler <bscreisler@yahoo.com>
>To: "dinosaur@usc.edu" <dinosaur@usc.edu> 
>Sent: Saturday, December 3, 2011 11:09 AM
>Subject: Unescoceratops and Gryphognathus, new ceratopsians from Alberta 
>From: Ben Creisler
>Apologies if people already received this posting. I sent it yesterday but 
>apparently it got lost in cyber space...
>Two new ceratopsians, Unescoceratops koppelhusae and Gryphognathus morrisoni 
>that won't be valid until 2012 publication: 
>Michael J. Ryan, David C. Evans, Philip J. Currie, Caleb M. Brown & Don 
>Brinkman ("2011" [2012])
>New leptoceratopsids from the Upper Cretaceous of Alberta, Canada.
>Cretaceous Research (advance online publication)
>Two new leptoceratopsid neoceratopsians are described based on partial 
>dentaries collected from the Dinosaur Park (Campanian) and Milk River 
>(Santonian) formations of Alberta. The new Campanian taxon [Unescoceratops] 
>has a unique dentary tooth shape not shared by other leptoceratopsid taxa, 
>which has implications for the evolution of the Leptoceratopsidae. The 
>Santonian specimen [Gryphognathus] represents the oldest known leptoceratopsid 
>(~83 Ma), and probably represents the smallest adult-sized ceratopsian known 
>from North America.
>[taxa names added to abstract]