|
Volumn 76, Issue 1, 2002, Pages 134-137
|
Graptolites from near the Ordovician-silurian boundary in Illinois and Iowa
a a a a a |
Author keywords
[No Author keywords available]
|
Indexed keywords
BIOSTRATIGRAPHY;
GRAPTOLITE;
ORDOVICIAN-SILURIAN BOUNDARY;
ILLINOIS;
IOWA;
UNITED STATES;
GRAPTOLITHINA;
NORMALOGRAPTUS PARVULUS;
NORMALOGRAPTUS PERSCULPTUS;
PARAKIDOGRAPTUS ACUMINATUS;
|
EID: 0036329024
PISSN: 00223360
EISSN: None
Source Type: Journal
DOI: 10.1017/s0022336000017418 Document Type: Article |
Times cited : (19)
|
References (22)
|