Quick
Search: 		  
advanced search
 GSW Home   GeoRef Home   My GSW Alerts   Contact GSW   About GSW   Journals List   Help 
  Journal of Paleontology   Email Content Delivery
JOURNAL HOME HELP CONTACT PUBLISHER SUBSCRIBE ARCHIVE SEARCH TABLE OF CONTENTS
Journal of Paleontology; May 2006; v. 80; no. 3; p. 581-582; DOI: 10.1666/0022-3360(2006)80[581:PPPTAP]2.0.CO;2
© 2006 Paleontological Society
This Article
Right arrow Figures Only
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in Web of Science
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by DE CARVALHO, M. D. G. P.
Right arrow Articles by EDGECOMBE, G. D.
Right arrow Search for Related Content
GeoRef
Right arrow GeoRef Citation

PALEONTOLOGICAL NOTES

PARANACASTE PONTAGROSSENSIS POPP, 1989 (TRILOBITA: ACASTOIDEA): PROPOSED CONSERVATION OF THE TAXON

MARIA DA GLORIA PIRES DE CARVALHO1 and GREGORY D. EDGECOMBE2

1 Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NewYork 10024-5192, <carvalho@amnh.org>
2 Division of Earth and Environmental Sciences, Australian Museum, 6 College Street, Sydney NSW 2010, Australia, <greged@austmus.gov.au>

The first 20% of the full text of this article appears below.


   INTRODUCTION
 
The present note aims to clarify the taxonomic status of the calmoniid trilobite Paranacaste pontagrossensis Popp, 1989, from the Ponta Grossa Formation, Lower Middle Devonian (Eifelian) of the Paraná Basin, Brazil.

Paranacaste Popp, 1989 was erected as a monotypic genus based on P. pontagrossensis. Carvalho and Edgecombe (1991) described material from the Ponta Grossa Formation as Bainella pontagrossensis (Popp, 1989), considering it to be conspecific with the types, and regarded Paranacaste as a subjective synonym of Bainella Rennie, 1930.

New specimens that clearly represent Paranacaste pontagrossensis demonstrate that the species is distinct from the Bainella described and figured by Carvalho and Edgecombe (1991). Furthermore, the generic distinctness of Paranacaste can be upheld. The genus may be diagnosed based upon the cephalic margin being rounded medially, having a dense sculpture of mixed small tubercles and coarse granules (Fig. 1.1), the . . . [Full Text of this Article]






JOURNAL HOME HELP CONTACT PUBLISHER SUBSCRIBE ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 2009 by Paleontological Society