On the occurrence of Parabrograptus and Sinagraptus from the Middle Ordovician of Western Canada

Jackson, D.E.

Geol Mag 103(3): 263-268

1966


Accession: 025166445

Download citation:  
Text
  |  
BibTeX
  |  
RIS

Article/Abstract emailed within 1 workday
Payments are secure & encrypted
Powered by Stripe
Powered by PayPal

Abstract
Specimens of Parabrograptus and Sinograptus from western Canada are described for the first time. An amended diagnosis of Parabrograptus is given. One pyritized fragment of a sinograptid stipe exhibits characters intermediate between Holmograptus and Sinograptus.