- GeoRef, Copyright 2004, American Geological Institute. Reference includes data from Bibliography and Index of Geology Exclusive of North America, Geological Society of America, Boulder, CO, United States
The problematic Ordovician graptolite genus Corynoides is reexamined, and its development summarized. Its systematic position among the graptolites is still obscure. Four species are described: C. calicularis, C. curtus, C. incurvus, and C. serpeus n.sp.