DavidRoyHunter.pdf

dlyislbl~ Into twO 5p~cl~5 ,assoc!nlons. Ooe relate" w~ll "'Ith $.,,11-
..~nt.. of the pToposed ~trlcted ~ovlro"!",,n" and the other relatea well •
wHh sedl...,n",. of a more ~en ....rine envlronment. On a finer scale,
there aHear" to be a
Telatl';ns!>lp between "ub"tratum characted"tlCs
and cenaln conodont ",peeleS. Because of this ..pp.. r~nt ~cOloglc..1 eo"­
trol on ....ny
of t".. conodont spec1es, the conodont 10nesand subzonesof
tile Middle Ordovlclan wet.. dHflclllt to accurately apply
Conodonts are found lnrelatlve abundance Inth" Cde~odus varicos~atuS (S"e"t and Be~gst~o")' and rygodu$ 5.. ~r"s
(Iladding) constitutes more than 1~ percent of the lot..l nu..t>er of recn"ered
conodont elements. Other lmporunt conodont speca. include'
prevsrlsb111s- B
.
B3ltoniodus
Dn.panoistodus n. 51'. A, Eoplaco!~athuS IlndlOtroe..i (l1""",r). E. robustus
Bergstro,", ~elldu" cavus (llaber..), Strachano!nathus parvu.. Rhode",
walll""rodu~'ethingtoni(Fahraeus), ~'allt"erodys nakhollllensis (ll"",ar) and
. _h .
lIalllserodu.. n.
varlab1l1' transit ton, DistacodusvenuSluS (Stauffer),