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17 - Pterosaurs of the Crato Formation

Published online by Cambridge University Press:  22 August 2009

David M. Martill ,
Günter Bechly  and
Robert F. Loveridge
By
David M. Unwin  and
David M. Martill
David M. Martill
Affiliation:
University of Portsmouth
Günter Bechly
Affiliation:
Staatliches Museum für Naturkunde, Stuttgart
Robert F. Loveridge
Affiliation:
University of Portsmouth
David M. Unwin
Affiliation:
Department of Museum Studies, University of Leicester, 105 Princess Road East, Leicester LE1 7LG, UK
David M. Martill
Affiliation:
Reader in Palaeobiology in the School of Earth and Environmental Sciences University of Portsmouth
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Summary

Introduction

The first significant account of a pterosaur from the Crato Formation was published over a decade ago (Frey and Martill, 1994). In the short intervening period between then and now, more than 30 individuals have come to light. This is a modest total, especially when compared to the 1000+ individuals recovered, for example, from the Solnhofen Limestones of southern Germany or the Niobrara Chalk of Kansas. Still, several finds notable for their completeness, or for the exceptional preservation of soft-tissue structures, such as extensions to cranial crests or of the integument associated with the foot, have already demonstrated the importance of this lagerstätte for our understanding of pterosaur palaeobiology (Frey and Martill, 1994; Campos and Kellner, 1997; Frey and Tischlinger, 2000; Frey et al., 2003c). The Crato pterosaur assemblage also contains a number of genera (e.g. Arthurdactylus, Ludodactylus, Ingridia gen. nov.) that are unique to this deposit (Frey and Martill, 1994; Frey et al., 2003b; this chapter). They represent several Lower Cretaceous pterosaur lineages and throw some much-needed light on the ecology, palaeobiogeography and evolutionary history of pterosaurs during an interval when they appear to have reached their highest levels of global diversity (Unwin, 2005).

Fragments of several limb bones from the Upper-Triassic Caturrita Formation of southern Brazil (Bonaparte et al., 2006) may represent the earliest occurrence of pterosaurs in South America.

Type
Chapter
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The Crato Fossil Beds of Brazil
Window into an Ancient World
 , pp. 475 - 524
Publisher: Cambridge University Press
Print publication year: 2007

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Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

Find out more about the Kindle Personal Document Service.

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Save book to Dropbox

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Dropbox.

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Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

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