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Re: Manus dominated pterosaur track assemblage from Gansu, China



Anyone else getting a .csv file instead of the PDF when they click on the link?

Jason


 
http://reptilis.net 


"I am impressed by the fact that we know less about many modern [reptile] types 
than we do of many fossil groups." - Alfred S. Romer


________________________________
From: Ben Creisler <bcreisler@gmail.com>
To: dinosaur@usc.edu 
Sent: Monday, January 26, 2015 11:04 AM
Subject: Re: Manus dominated pterosaur track assemblage from Gansu, China


The paper is now published and available for free at this link:

Daqing Li, Lida Xing, Martin G. Lockley, Laura Piñuela, Jianping
Zhang, Hui Dai, Jeong Yul Kim, W. Scott Persons IV & Delai Kong (2015)
A manus dominated pterosaur track assemblage from Gansu, China:
implications for behavior.
Science Bulletin 60(2): 264-272
DOI: 10.1007/s11434-014-0681-z

http://www.scibull.com:8080/EN/abstract/abstract509639.shtml






On Mon, Jan 5, 2015 at 8:02 PM, Ben Creisler <bcreisler@gmail.com> wrote:
> Ben Creisler
> bcreisler@gmail.com
>
> A new online paper:
>
> Daqing Li, Lida Xing, Martin G. Lockley, Laura Piñuela, Jianping
> Zhang, Hui Dai, Jeong Yul Kim, W. Scott Persons IV & Delai Kong (2015)
> A manus dominated pterosaur track assemblage from Gansu, China:
> implications for behavior.
> Science Bulletin (advance online publication)
> DOI: 10.1007/s11434-014-0681-z
> http://link.springer.com/article/10.1007/s11434-014-0681-z
>
>
> The Yangouxia dinosaur tracksites are well known for a diverse
> assemblage of tetrapod tracks preserved as natural impressions
> (concave epireliefs) on large bedding planes, representing a locally
> widespread surface marking the transition from a sand- to a
> mud-dominated sequence in the Hekou Group. Previous ichnological
> studies at these large sites have focused on the morphology and
> ichnotaxonomy of the tracks, including a single trackway representing
> the first pterosaur tracks reported from China. Here, we report a
> distinctly different assemblage associated with minor sandstones in
> the mud-dominated sequence 20 m above the main tracksite level. This
> assemblage consists of at least 20 pterosaur manus track casts
> attributed to a single ichnotaxon (Pteraichnus). No pes tracks have
> been identified. These tracks mostly occur in random orientations,
> although one possible trackway segment is inferred, to represent
> walking progression. Manus-only pterosaur track assemblages are common
> and likely reflect differential registration depths of manus and pes
> and/or sub optimal preservation conditions. The tracks are associated
> with distinctive invertebrate traces including Cochlichnus,
> Spongeliomorpha and Paleophycus and suggest the pterosaurs were likely
> feeding on the invertebrate tracemakers.
>
> ***
>
> NOTE: This paper will be open access on the Chinese Science Bulletin
> website when the paper is officially published.