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8.2 Hultlllielloent Ta.ono,"y. ord.,r5·ODONTOI' RID,\Uch.,nbo!rg, 19JO $uperfa,". DIST O[)()NT,\CE,\ (Bnsler, 1925) ~·a..1 ly D T aOONTJl)AE Banler, 1925 Di~cussiun. Llndstroll ([971), pI8ced the co::,on.. nt~ of this falilly Int"t"otnformaigrouP",~.theDrepanod,,,,groupconststingOf~ ..nOdUSPand.,r,16S6, ..ndther~grOUPConSI":ln!lOf~ Pander,18S6,Dr.,p"nOl"todusLindStro.. ,19~'~P,,",~.,r,1856an "how a curvature transition and rhus ""'y have evolved fro", an earlier Simple cone stock. exh1bhlng Atmilar
-61- chacacl",risticS, g. OlI"otod"'" If so, at would ~ppe;H th"t ~~ ~,Dr"P"nOdusandPr"top"nd""OdtlS"VOIV"dS"pa ...teIYfto.. SelllacOnll ~"lnc" ~arly loclIIS of this latter genus'flcst ~ppear ln rhe Mldcont- l"entProvlnce and do not seellltO b'" found In the North At.tantlc Prov ince until Dr".,anodus and Urepanolslodus a,,' w.,11 establls hed . Fru. compadsoflS of Figur..s 21 and 2~, of thh "tud,. It would """lIappaccnt that Dr"panoll1tt>dUS;).ndDrepanodusare ch,s.,lycehc"cI.lhiS is tn agr.,ement ..hh 1.1ndstrulll (1970,1971). I'rol' co",padsons uf Flg.- ure" 24 and 27, it "outrl \.ille"l"e """", apl'arent that Drelanodua and pro-, ~~areCl5elyr,,\at"d.Llndslro"'(1911),ail,reeSlhat~ 'p:"8nderuous,and Dr",panodus ..enderl'led from a similar ancestor, but he polntS Out that PrOlOpanderodushaS Un" surf~r" strlatl0ns"herea.. £E.!£-~ ~ does not. Thl.s .".6 31"0 dll>co\'"red i~ thiS study, t ... · Pla[e I~ f1.il,'" I, la, but thi" authOr 1s not co""illced that the pres"n
Page 3 and 4:
The quehly 01 Itl,smitfohcheis heav
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FRONTISPIECE View south-west over C
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dlyislbl~ Into twO 5p~cl~5 ,assoc!n
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Page. l.ithostratigraphy CottlU Isl
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· ~----~_. Suped;l!l,ily Panderodo
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. -'~-'_-.:~~.;,.. ·, I Page Perio
Page 15 and 16:
__ 14. Scanning electron .,icros"op
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Pag~ 29. ~na S~nUa (D,l\:;), B·~lO
Page 19:
I. I Acl
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underBtandlng of the gttuctur~l com
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'2.1 Collecttonof Sam.ple". The ort
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J ,- GEOLOC'CAI.SETTING Th... field
Page 28 and 29: ..v"rY"herebYt"eUPI'"roroJ"vib~~lan
Page 30 and 31: hy "bout )00 "",t n3 uf t,,,,.ic la
Page 32 and 33: th~, roughly l,aralld til" oril\iru
Page 34 and 35: -16- Figure 3. View eastward of the
Page 36 and 37: 4.2.2Squ!dCov.. S"nion. On th.. sou
Page 38 and 39: WJfI -,"- ~ --. ~._- ~'.':.':'::'''
Page 40 and 41: 1111(11 ",~v" kln~flc ",wrllY rele~
Page 42 and 43: ~. Sedillento\ngy of tn"CobbsAnlsec
Page 44 and 45: ~~,.- ~.=- ~ .•.- ~_D' ~~'O ~:::'
Page 46 and 47: 4.3 Sedl,.''',tology of the ColJbs
Page 48 and 49: Quarry Cove section. but contains A
Page 50 and 51: -32- ....aterneH_shorevolcanlcsands
Page 52 and 53: PALf.ONTOLOCYAND PALEOr.COLOGYOj'TH
Page 54 and 55: to b~ h.rgeLy restrlCfprl to .,qu~t
Page 56 and 57: Ii i I; America, it is not surprisi
Page 60 and 61: OfIlO!'lOSTlUTICRAPIlY OF TlIE COBB
Page 62 and 63: ~------~ previously thought. The se
Page 64 and 65: 7.1 Composltionand Growth. Conodont
Page 66 and 67: continuous syrr:netrlcal-asyremctrl
Page 68 and 69: 1914), to a ..ell founded dl~,"{sul
Page 70 and 71: -Or FI,~ , \A,,~j "1,, ~
Page 72 and 73: Plate 16 ~I"es " part tal vle'o' of
Page 74 and 75: Ta"onoalcal clli"slflcatlon of the:
Page 76 and 77: I.'~ll{~er (19M), not"d the pr~s>
Page 78: or th" r"pon"d IIp,,cie~ of interes
Page 83 and 84: ,'. !J..~"J..£..1l. A-T, lh,.tacod
Page 85 and 86: ! i. · t;!:;::~~::g~~1~m::l~~:;;:i
Page 87 and 88: i. I spedes 1s very llillllhr. One
Page 89 and 90: DZIK1916,p. 435,F1g. 184-f. Descrtp
Page 91 and 92: latest Tremadocian. Previously (Lin
Page 93 and 94: , _1 _ Th"r" 1s a slngle posterior
Page 95 and 96: • Ftgllre 25. A~H. Drepanodlls sp
Page 97 and 98: ~. Connd01Hs ~f .,thh 'p"cies have
Page 99 and 100: a furrow. Asy""",nlcal fonns have a
Page 101 and 102: -83- ./ ~I~ ----- ------J~"
Page 103 and 104: tlp of th.. ~u~p. The oul'H lateral
Page 105 and 106: !.!.Fcv...££.1..!!. A, Rhodesogna
Page 107 and 108: Th" apparatus shows a simple sy=etr
Page 109 and 110: ." appa~at"s represent non-dellt.lc
Page 111 and 112: -9)- ETIII~GTO~ 1959. p. 284. p\. 3
Page 113 and 114: -95- ,\... r,~.]))'! ~! ~ ~ . ...;
Page 115 and 116: I The nearly sY1ll!lletricai gr"cli
Page 117 and 118: -99- / 4((Lf~~O~~, ~"''''{(A))~~~ "
Page 119 and 120: conodont "ith a rouod"d anterior m>
Page 121 and 122: J,I, ~~'1~~,-J;; A-f., :k", l;cl1"~
Page 123: allterlor ll'.arll.ins and deep [r[
Page 126 and 127: - •• ]...."'H ,wilr th~ "nf~rl,
Page 128 and 129: -110- ./ t~{;~l.t..· Wall1serodus
Page 130 and 131:
I ,. ~s a~YL'"""trieal m"ltiCo~tale
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....~y""""'trical blcostate drepana
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symm... try transition compf!slng f
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"itionlo~'!i!.,butappearstohav"d~sc
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- allledorlyon al least OlLe of the
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I The latter [OTlIlis similar to [o
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a.e c~~uct"rh:"d by asyll\ll>Ctrlca
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Genus EOPLACOGNAfHUS HOIII
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1. . procen develops from the cusp
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to fO TIIl the dent;c"l.oted proces
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pcri.~,eter 0' the anrerlr proce99
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----- 1"-.-~- . ,-.,:ir4~~~.... ,.
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ut sh"llowly ncavated. The roof of
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paralleillith thelnncr-DIIrglnaLrld
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-------- a 81Ibg"n"s of Pdoniodu!I.
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-142- ~ b·J ~ ~~~~ ffi? Q ~& jJ)]
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~.48speci_ns. Genus BALroNIOOUS LIn
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-146- setatanangleof60to!lOdegrees.
Page 166 and 167:
B,t,LTONIOOOS VARIAllILIS (!!ergstr
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llgonodlnifom-prlonlodlnlfo... serl
Page 170 and 171:
-152 / b~. ~~ ~ Figure 41. A-E,G,
Page 172 and 173:
·10n&,th....nt... rior ...&In of
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falOdlfortn6: l1gonodinUur1llS ~nd
Page 176 and 177:
] lINDSTIlOM 19nb. p. 109. p1. 22,
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- -160- of[h"-baSe,andfo~lhlsrea90n
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~. HAMAR 1964, ~. 2b3, 1'1. I, OK"
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ore ouu,ard. 'I ) M.¥tedal. 18pec1
Page 184 and 185:
Bassler, R.S., ln~. Classlfication
Page 186 and 187:
Bryant, W.L., 1921. The Genesee con
Page 188 and 189:
-170:' . H....r, C., 1964. The Kldd
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Lane, F.W., 1960. KingdOOl of the O
Page 192 and 193:
Morrill, S.C., .976. A ne" Cambrian
Page 194 and 195:
" SChlllldt, 11.,1933. Cephlllopode
Page 196 and 197:
T>I"nhofel, IoI,H:: 1947. nw Siluri
Page 198 and 199:
Wolska, t .• 1961. ~onodontY 1. O
Page 200 and 201:
All sped,.."" X4~. SalOp Ie nu..ber
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I All sped;"en" X:iO. Sample numlj,
Page 204 and 205:
.. All 8p~
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~._'- "'" specimens x52. Sample num
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PLATE 4
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PLATE 5
Page 212 and 213:
13
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p,!ven in pa~enthes,-s. ) 2. 1'"He~
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PLATE 7
Page 218 and 219:
PLATE 8
Page 220 and 221:
PLATE 9
Page 222 and 223:
PLATE lO
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PLATE II
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vt~~ WU~~ ~ ~ --,'• ., #:.. =' PL
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l~, lateral .... 1c.... "f ~YIf\lTl
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~"'''l' l~ numb.. ". f rofll ",h I
Page 232 and 233:
PLATE 14
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1 I'" OUl"~ Ia"'~al vie... 01 hadJl
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.-.~, given in parentheses. Figur..
Page 238 and 239:
PLATE 16
Page 240 and 241:
~n
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, Figure A!. A limestone lense (out
Page 244 and 245:
Photo..tc~ographs of so"", ()f the
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Figure B3. Sediment deposited in an
Page 250 and 251:
ILLINGATE ISLANDS l USHES BIGHT . R
Page 252 and 253:
FIGURE 2 CONODONT SAMPLE LOCALITIES
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OoJQrr~ Co~e S~ChO" CobbS Arm Sect,
Page 256 and 257:
TABLE Ib r C;nQ~i"" frnm ·thQ C':n
Page 258 and 259:
, r _. .--=- E SECTION COBBS A:~ ~E
Page 260 and 261:
Pseudobelodlna n.•p. A b.lodellif
Page 262 and 263:
I • 2 , I • 2 6 5 2 " .. " I I
Page 264 and 265:
TABLE 10 Con'odont Snlldll~ from. t
Page 266 and 267:
I-'__...,...~ I;~ DVE SECTION ~OBBS
Page 268 and 269:
It,a.·~~it ombolodif ,m' Stlodtlla
Page 270 and 271:
4 4 I I 12 • I 2 , I I 10 • I \
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