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Early Cretaceous cyclostome bryozoans from the early to middle Albian of the Glen Rose and Walnut formations of Texas, USA

Published online by Cambridge University Press:  30 January 2019

Silviu O. Martha Open the ORCID record for Silviu O. Martha [Opens in a new window] ,
Paul D. Taylor  and
William L. Rader
Silviu O. Martha
Affiliation:
Senckenberg Forschungsinstitute und Naturmuseen, Sektion Marine Evertebraten III (Bryozoologie), Senckenberganlage 25, 60325 Frankfurt am Main, Germany 〈silviu.martha@senckenberg.de〉
Paul D. Taylor
Affiliation:
Department of Earth Sciences, Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom 〈p.taylor@nhm.ac.uk〉
William L. Rader
Affiliation:
8210 Bent Tree Road, #219, Austin, Texas, United States of America 〈raderw66@gmail.com〉
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Abstract

The Glen Rose and Walnut formations of southcentral and northcentral Texas comprise shallow-water carbonates deposited during the late Aptian to middle Albian on a carbonate platform. The formations are famous for their rich fossil faunas. Although bryozoans are absent in late Aptian sediments, they are frequently found encrusting bivalve shells from the early to middle Albian parts of these formations. Here, we describe the cyclostome bryozoan fauna, which includes six species; Stomatopora sp., Oncousoecia khirar n. sp., Reptomultisparsa mclemoreae n. sp., Hyporosopora keera n. sp., Mesonopora bernardwalteri n. sp., and ?Unicavea sp. Most cyclostomes are found encrusting rudist shells from Unit 2 of the Lower Member of the Glen Rose Formation and units 3 and 6 of the Upper Member of the Glen Rose Formation.

UUID: http://zoobank.org/4380dcb5-63b2-4aa9-959c-09eb6b03831f

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Articles
Information
Journal of Paleontology , Volume 93 , Issue 2 , March 2019 , pp. 244 - 259
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Copyright © 2019, The Paleontological Society 

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