Middle Jurassic (Bajocian) Eastern Oregon

98
Page
Dorsetemia 2, 14, 22, 32, 35, 54, 71, 72
adnata --------------------------- 32, 73
complanata ---------------- 72, 73; pl. 29
diversistriata --------------- 71, 73; pl. 29
edO'Uardiana ---------------- 24, 72; pl. 30
hyalina --------------------------- 73
liostraca -------------------------- 73
oregonemis ------------- 24, 25, 72; pl. 29
pulchra -------------------- 71, 72; pl. 30
subtezta ------------ 24, 25, 71; pls. 28, 29
sp ---------------------------- 72; pl. 30
E
edouardiana, Dorsetemia ------- 24, 72; pl. 30
WitcheUia ------------------------ 72
Emigrant Creek area, ammonite
correlations --------------- 30
ammonite distribution ------------ 42
Emileia ---------------------- 8, 22, 24, 32, 80
brocchii -------------------------- 80
buddenhageni -------------- 22, 80; pl. 39
contractus ------------------------ 81
multifida ------------------------- 80, 81
sp ---------------------------- 80; pl. 39
Epalzites ----------------------------- 85
Erycitoides howeUi -------------------- 31
espinazitensis, Sonninia
(Papilliceras) ------ 20, 69; pl. 27
Euaptetoceras ------------------------- 60
( Euaptetoceras) amaltheiforme,
Eudmetoceras ----------- 60; pl. 6
Eudmetoceras ----------------- 20, 31, 68
hauthali, Eudntetoceras --------- 60; pl. 6
klimakomphalum,
Eudmetoceras ------- 60, 61; pl. 6
nucleospinosum, Eudmetoceras ----- 61
Eudmetoceras ---------------- 4, 16, 18, 32, 60
amplectens ----------------------- 32, 60
klimakomphalum discoidale -------- 60
obtectum ------------------------- 60
(Euaptetoceras) -------------- 20, 31, 68
amaltheijorme -------------- 60; pl. 6
hauthali -------------------- 60; pl. 6
klimakomphalum ------- 60, 61'; pl. 6
nucleospinosum -------------- 61
sp --------------------------- 30
Euhoploceras ------------------- 4, 54, 62, 65
(Euhoploceras) adicra, Sonninia ___ 4, 16, 20,
65; pis. 13, 14, 15, 16, 17
bifurcata, Sonninia --------------- 32, 35
crassispinata, Sonninia -------- 5, 16, 20,
67, 68; pls. 22, 23, 24, 25
dominam, Sonninia ___ 5, 16, 63; pis. 11, 12
modesta, Sonninia ----------- 5, 16, 20, 34
62; pis. 7, 8, 9, 10
polyacantha, Sonninia ---------- 5, 20, 61,;
pls. 18,.,19, 20, 21
Sonninia ----------------------- 4, 65, 78
Europe, comparison Oregon Bajocian
ammonites with other faunas 35, 52
marine Jurassic connections with
Oregon ------------------ 54
evoluta, Fontannesia ---------------- 59; pl. 5
Witchellia (Latiwitchellia) __ 16, 18, 70;
pls. 31, 32, 33
evolutus, Leptosphinctes --------------- 91
(Ezpalzites) anceps, Normannites __ 84; pl. 41
ezplanata, Fontannesia --------------- 59
F
jairbridgei, Fontannesia --------------- 59
faunule, Parabiogotites crassicostatus _ 34
Fissilobiceras ------------------------- 4
Fitz Creek Siltstone ------------------ 30, 32
F'at Creek --------------------------- 14, 28
INDEX
Page
Fontannesia --------------------- 3, 16, 57, 68
carinata -------------------- 18, 58; pl. 5
clarkei --------------------------- 57,58
costula ---------------------- 18, 57; pl. 4
evoluta ------------------------- 59; pl. 5
ezplanata ------------------------- 59
fairbridgei ------------------------ 59
grammoceroides ------------------- 59
intermedia ---------------------- 57; pl. 4
luculenta ----------------- 30, 57, 58; pl. 5
whitehO'Usei ----------------------- 57
jormosus, Normannites (Itimaites) _ 81,; pl. 41
Freeman Creek ----------------------- 13
Gaikema Sandstone
Gelasinites ______ ----------------------
Genera, Oregon Bajocian -------------­
Geographic distribution, Oregon Bajocian
ammonites
gracilis, Normannites
G
32
70
54
(ltimaites) -------- 25, 84; pl. 41
Grammoceras ------------------------- 3, 15
grammoceroides, Fontannesia ---------- 59
Grant County --------------------- 11, 13, 14
Graphoceras concavum zone --------- 4, 20, 22
crickmayi ------------------------ 34, 75
sp ------------------------------- 64
Guhsania belle ------------------------ 33
H ammatoceras hosO'Ureme
planimigne ---------------------tuberculatum
---------------------
H
37
61
61
61
Hammatoceratidae -------------------- 2, 60
hamoni, Sonninites ------------------- 34
Haploceratidae ----------------------- 2, 77
Harney County ----------------------- 13, 15
Harpoceras --------------------------- 15
hauthali, Eudmetoceras
(Euaptetoceras) ------- 60; pl. 6
hebes, Hebetozyites ------------- 18, 76; pl. 36
Hebetozyites -------------------------- 31, 76
clypeus --------------------------- 77
hebes ---------------------- 18, 76; pl. 36
helenae, Bradjordia ------------------- 77
Hildoceratidae ---------------------- 2, 54, 55
HolcophyUoceras ---------------------- 54
sp ----------------------- 22, 51,; pis. 1, 2
hosQ'Ureme, Hammatoceras. ------------ 61
howeUi, Erycitoides ------------------- 81
Hudson Bay Mountain ---------------- 33
humphriesianum, Stephanoceras ------- 85
Huntington area, ammonite correlations 31
unnamed beds -------------------- 16
Huntington quadrangle ------------ 16, 28, 31
hyalina, Dorsetemia ------------------- 73
Hyde Formation ---------------------- 14
hydei, Lissoceras ------------ 22, 25, 77; pl. 40
Hyperlioceras discites ----------------- 67
discites subzone ---------------- 7, 20,22
I
inaequa, Sonninia --------------------- 63
inclusa, Bradfordia -------------------- 77
Inferior Oolite ----------------------- 4
Inoceramus ----------------------- 13, 14, 15
intermedia, Fontannesia ------------- 57; pl. 4
itimae, N ormannites
(ltimaites) -------- 33, 84; pl. 41
Teloceras ---------------- 30, 33, 90; pl. 46
(I timaites) crickmayi,
Normannites _ 24, 32, 33, 83; pl. 41
formosus, Normannites -------- 84; pl. 41
gracilis, Normannites ------ 25, 81,; pl. 41
itinsae, Normannites ------- 33, 84; pl. 41
Page
Introduction -------------------------- 1
Ironside ------------------------------ 1, 16
Ironside quadrangle ------------------- 2
Ironside Mountain quadrangle -------- 16, 30
Isognomon ---------------------------- 16
Itinsaites ----------------------------- 83, 85
Izee --------------------------------- 2, 9, 15
Izee area, ammonite correlations -----­ 25
ammonite distribution ------------- 41
J
John Day River ---------------------- 14
iuhlei, Sonninia ----------------------- 35
Stephanoceras ----------------- 24, 25, 28
Stephanoceras
(Skirroceras) ___ 25, 33, 88; pl. 43
Juniper Mountains ----------- 2, 28, 29, 33, 52
Juniper Mountain area, unnamed beds__ 16
·ammonite correlations ------------- 25
iuramontana, Sonninia
(Papilliceras) ------ 34, 69; pl. 27
K
Kialagvik Formation ------------------ 33
kialagvikensis, Normannites -- 32, 85, 92; pl. 40
kirschneri, Stephanoceras ---------- 14, 25, 28
Stephanoceras (Skirroceras) ------ 24, 28
32, 33, 87; pis. 30, 42
klimakomphalum, Eudmetoceras
(Euaptetoceras) ---- 60, 61; pl. 6
discoidale, Eudmetoceras -------------kunthi,
Phylloceras -------------------
L
60
54
Lake Minnewanka -------------------- 34
Lamellaptychus ----------------------- 8, 14
languidum, Strigoceras --------- 18, 76; 1)1. 36
Latiwitchellia --------.,.--------------- 4, 70
(Latiwitchellia), Witchellia -------- 5, 20, 54
evoluta, WitcheUia ----------- 16, 18, 70;
pls. 31, 32, 33
Lava flows, submarine ---------------
Leptogyrale, Stephanoceras
36
(Skirroceras) --------- 88; pl. 46
Leptoshinctes ------------ 11, 15, 16, 25, 29, 91
delicatus -------------------------- 91
evolutus -------------------------- 91
leptus -------------------- 8, 91, 92; pl. 47
(Prorsisphinctes) ----------------meseres
__________________ .;____
31
92
phanerus --------------------- 92
pseudomartimi --------------- 91
stomphus --------------------- 92
spp ----------------------- 92; pl. 47
sp ------------------,--.-------- 91; pl. 47
leptus, Leptosphinctes -------- 8, 91, 92; pl. 47
Lewis Creek -------------------------- 15
liebi, Docidoceras ------------------ 79; pl. 37
Lilloettia stantoni --------------------- 9
liostraca, Dorsetensia ---------------- 73
(Lirozyites), Oppelia ---------------- 54
Lissoceras ------------------------- 8, 54, 77
hydei ------------------ 22, 25, 77; pl. 4,0
psilodiscus ----------------------- 8, 77
semicostulatum ------------------- 8, 77
sp ---------------------------- 77; pl. 36
Logdell quadrangle ------------------- 28
Lonesome Formation ----------------- 13, 15
longalvum, Docidoceras --------------- 78
luculenta, Fontannesia -------- 30, 57, 58; pl. 5
Ludwigia murchisonae zone _____ 3, 20, 25, 30
Lupher, Ralph, acknowledgment of aid__ 2
lupheri, Docidoceras --------- 16, 20, 78; pl. 38
Lupherites ·--------------- 8, 29, 30, 31, 54, 90
senecaemis -------------------- 90; pl. 47