RT Journal Article
SR Electronic
T1 Note on the genus Archeocyathus of Billings
JF American Journal of Science
JO Am J Sci
FD American Journal of Science
SP 145
OP 146
DO 10.2475/ajs.s3-34.200.145
VO s3-34
IS 200
A1 Charles Doolittle Walcott
YR 1887
UL http://www.ajsonline.org/content/s3-34/200/145.abstract
AB