353
ovulated , 2, 9, 18, 21, 31, 45, 48, 50, 54, 59, 62, 75, 78, 82, 85,
233, 234, 237, 238, 240, 257, 258, 260, 268, 288, 289, 292,
298, 299, 301, 305
plasmalecithal , 44
previtellogenic , 17, 20–22, 37, 47, 60–62, 76–78, 81, 84, 86, 87,
96, 97, 100, 104, 310, 311
primary , 17, 18, 39, 40, 49, 52, 53, 59, 62, 240, 244, 298
size , 45, 50, 64, 72, 231, 233, 236, 240, 241, 243, 252, 256,
261–263, 268, 269, 271
telolecithal , 39, 82, 309
vegetal pole , 39, 54
vitellogenic , 17, 20–22, 25, 27, 29, 37–41, 47, 52, 54, 60, 61,
76–79, 81, 83–87, 93, 96, 97, 102–104, 244, 245, 300, 304,
309–311
Oocyte doublet
previtellogenic , 20, 21, 37, 62, 76, 104
vitellogenic , 29, 41, 96, 97
Ooecial
base , 119, 133, 139, 141, 147, 155, 156, 164–165, 199
calcifi cation , 135, 139, 140, 156–158, 272
cavity , 136, 140, 141
coelom , 90, 96, 98–101, 105, 119–122, 125, 126, 128, 131, 133,
134, 136–141, 147, 156, 173, 174, 180–182, 184–186, 188,
190, 192, 195, 197, 198, 200, 201, 314
communication pore , xx, 157, 164, 174, 180, 182, 197, 201
fold , 119–123, 125–127, 130–135, 137–141, 147, 150, 155, 156,
160, 164, 165, 176, 178, 196, 220
kenozooid , 127
lobe(s) , 123, 132, 133, 136, 138, 146, 147, 155, 165,
181, 204, 205
medial suture , 136, 155
outfold , 125–127, 155
valve(s) , 146, 165, 166
walls , 119, 120, 125, 131, 133–135, 137, 138, 148, 158, 180
Ooecial rudiment
paired , 150
unpaired , 150
Ooecial vesicle
cuticle , 42, 134, 139, 306
depressor muscle , xx, 122
innervation , 63, 309
muscle bundle(s) , 90–92, 134, 136
musculature , 42, 63, 134, 163, 164, 309
retractor muscle , xx, xxi, 105, 122
sclerite , 89, 91, 99, 100, 105, 121, 173, 174, 180–182, 185, 186,
188, 192, 195, 202
Ooeciopore , 68
Ooeciostome , 258
Ooecium(a)
bilobate , 128, 133, 135, 153, 155, 168
bivalved , 150, 153
calloporiform , 137–138, 155–157, 220, 221
costate , 132, 138, 153, 155, 183, 212, 329
escharelliform , 138–139, 141, 155–157, 220
kenozooidal , 94, 99, 101, 118, 126–128, 130, 136–138, 144, 146,
150–160, 182, 185
lepralielliform , 139, 140, 155–157, 164, 165, 220
microporelliform , 141, 157, 158, 165, 221
reduced , 36, 162
two-lobed , 153
unitary (complete) , 153–155, 163
vestigial , 136–138, 160, 182
Oogenesis
alimentary , 48
follicular , 21, 48, 51, 295, 297, 310
nutrimentary , 48, 55
ovulatory phase , 53
polygenic , 48
previtellogenic phase , 22, 52
vitellogenic phase , 21, 22, 52
Oogonium(ia)
division , 52, 76, 244
doublet , 20, 21
growing , 20, 21l
premitotic , 20
primary , 73
Oolemma , 18, 19, 37, 44, 61, 244, 309, 310
Oophagy , 251
Opercular muscle(s) , xx
Operculum , xx, xxi, 41, 57, 62–65, 75, 78, 79, 82, 87, 89–92, 94–101,
105, 118, 119, 121, 125, 130, 131, 135–137, 139, 145–149,
153, 163, 164, 172–174, 176, 178, 180–182, 184–188,
190–203, 205, 208, 213, 214, 258, 290, 296, 298–300, 307
Opesia , 64, 151, 152, 329
Opesiules , 329
Ordovician , xviii, 262, 270, 271
Ovarian cells
columnar , 41, 42, 47, 51, 309, 313
prismatic , 54
Ovary
cells , 20, 37, 44, 48, 49, 51, 52, 74, 292, 309
germinal zone , 17, 18, 75, 310
growth zone , 52, 75
ovulatory zone , 75
position , 3, 311
structure , 3, 17–20, 22, 41, 43–45, 49, 51–52, 74, 236, 243, 289,
292
wall , 2, 3, 19–21, 37, 45, 47, 48, 51, 52, 54, 61, 74, 77–79, 81–88,
93, 96, 98, 102–104, 244, 286–289, 291, 292, 294, 295, 297,
299, 301, 310, 311, 313
Ovicell
acleithral , 130, 141, 163, 173, 174, 181, 186, 188, 191, 192
bilobate , 149, 165, 204, 329
cleithral , 147, 163, 181, 182, 185, 186, 205, 213
closure , 118, 125, 130–131, 137, 163–164, 272
costate , 124, 129, 151, 154
endotoichal , 42, 45, 91, 92, 99, 118, 128, 130, 139, 144, 156, 159,
194, 195
endozooidal , 42, 45, 46, 89, 96, 117–120, 122, 125, 128–130, 138,
139, 142–144, 160–162, 187, 285
entrance , 63, 125, 134, 258
fl oor , 89, 91, 95, 96, 98–100, 102, 105, 125–127, 129, 131–133,
135, 136, 138–141, 150, 153–157, 159, 160, 164, 165,
167–169, 171–176, 178–182, 184–186, 188–193, 195–201,
211–214, 220, 329
formation , 63, 118, 122, 123, 162, 187, 196, 299, 308
hyperstomial , 42, 45, 46, 90, 115, 116, 118–120, 122, 131–135,
147, 159–162, 171–173, 180, 199, 200, 284, 329
immersed , 43, 95, 125, 128–131, 135, 136, 138, 142–144,
159–162
non-cleithral , 163, 198
opening , 118, 125, 128, 130, 133, 134, 137, 139, 146, 152, 153,
163, 194, 298
prominent , 128, 138, 142–144, 161, 184
pseudocleithral , 163
semicleithral , 99, 130, 163, 185
spinose , 151, 153
subcleithral , 163, 201
subimmersed , 95, 128, 135–136
terminal , 64, 96, 100, 126, 127, 129, 133, 146, 158, 159,
165, 181
Ovicellogenesis , 63, 117–120, 123, 124, 131, 132, 134, 135, 137,
138, 140, 141, 147, 153, 157, 160, 164, 165, 169, 176, 178,
187, 191
Subject Index
ovulated , 2, 9, 18, 21, 31, 45, 48, 50, 54, 59, 62, 75, 78, 82, 85,
233, 234, 237, 238, 240, 257, 258, 260, 268, 288, 289, 292,
298, 299, 301, 305
plasmalecithal , 44
previtellogenic , 17, 20–22, 37, 47, 60–62, 76–78, 81, 84, 86, 87,
96, 97, 100, 104, 310, 311
primary , 17, 18, 39, 40, 49, 52, 53, 59, 62, 240, 244, 298
size , 45, 50, 64, 72, 231, 233, 236, 240, 241, 243, 252, 256,
261–263, 268, 269, 271
telolecithal , 39, 82, 309
vegetal pole , 39, 54
vitellogenic , 17, 20–22, 25, 27, 29, 37–41, 47, 52, 54, 60, 61,
76–79, 81, 83–87, 93, 96, 97, 102–104, 244, 245, 300, 304,
309–311
Oocyte doublet
previtellogenic , 20, 21, 37, 62, 76, 104
vitellogenic , 29, 41, 96, 97
Ooecial
base , 119, 133, 139, 141, 147, 155, 156, 164–165, 199
calcifi cation , 135, 139, 140, 156–158, 272
cavity , 136, 140, 141
coelom , 90, 96, 98–101, 105, 119–122, 125, 126, 128, 131, 133,
134, 136–141, 147, 156, 173, 174, 180–182, 184–186, 188,
190, 192, 195, 197, 198, 200, 201, 314
communication pore , xx, 157, 164, 174, 180, 182, 197, 201
fold , 119–123, 125–127, 130–135, 137–141, 147, 150, 155, 156,
160, 164, 165, 176, 178, 196, 220
kenozooid , 127
lobe(s) , 123, 132, 133, 136, 138, 146, 147, 155, 165,
181, 204, 205
medial suture , 136, 155
outfold , 125–127, 155
valve(s) , 146, 165, 166
walls , 119, 120, 125, 131, 133–135, 137, 138, 148, 158, 180
Ooecial rudiment
paired , 150
unpaired , 150
Ooecial vesicle
cuticle , 42, 134, 139, 306
depressor muscle , xx, 122
innervation , 63, 309
muscle bundle(s) , 90–92, 134, 136
musculature , 42, 63, 134, 163, 164, 309
retractor muscle , xx, xxi, 105, 122
sclerite , 89, 91, 99, 100, 105, 121, 173, 174, 180–182, 185, 186,
188, 192, 195, 202
Ooeciopore , 68
Ooeciostome , 258
Ooecium(a)
bilobate , 128, 133, 135, 153, 155, 168
bivalved , 150, 153
calloporiform , 137–138, 155–157, 220, 221
costate , 132, 138, 153, 155, 183, 212, 329
escharelliform , 138–139, 141, 155–157, 220
kenozooidal , 94, 99, 101, 118, 126–128, 130, 136–138, 144, 146,
150–160, 182, 185
lepralielliform , 139, 140, 155–157, 164, 165, 220
microporelliform , 141, 157, 158, 165, 221
reduced , 36, 162
two-lobed , 153
unitary (complete) , 153–155, 163
vestigial , 136–138, 160, 182
Oogenesis
alimentary , 48
follicular , 21, 48, 51, 295, 297, 310
nutrimentary , 48, 55
ovulatory phase , 53
polygenic , 48
previtellogenic phase , 22, 52
vitellogenic phase , 21, 22, 52
Oogonium(ia)
division , 52, 76, 244
doublet , 20, 21
growing , 20, 21l
premitotic , 20
primary , 73
Oolemma , 18, 19, 37, 44, 61, 244, 309, 310
Oophagy , 251
Opercular muscle(s) , xx
Operculum , xx, xxi, 41, 57, 62–65, 75, 78, 79, 82, 87, 89–92, 94–101,
105, 118, 119, 121, 125, 130, 131, 135–137, 139, 145–149,
153, 163, 164, 172–174, 176, 178, 180–182, 184–188,
190–203, 205, 208, 213, 214, 258, 290, 296, 298–300, 307
Opesia , 64, 151, 152, 329
Opesiules , 329
Ordovician , xviii, 262, 270, 271
Ovarian cells
columnar , 41, 42, 47, 51, 309, 313
prismatic , 54
Ovary
cells , 20, 37, 44, 48, 49, 51, 52, 74, 292, 309
germinal zone , 17, 18, 75, 310
growth zone , 52, 75
ovulatory zone , 75
position , 3, 311
structure , 3, 17–20, 22, 41, 43–45, 49, 51–52, 74, 236, 243, 289,
292
wall , 2, 3, 19–21, 37, 45, 47, 48, 51, 52, 54, 61, 74, 77–79, 81–88,
93, 96, 98, 102–104, 244, 286–289, 291, 292, 294, 295, 297,
299, 301, 310, 311, 313
Ovicell
acleithral , 130, 141, 163, 173, 174, 181, 186, 188, 191, 192
bilobate , 149, 165, 204, 329
cleithral , 147, 163, 181, 182, 185, 186, 205, 213
closure , 118, 125, 130–131, 137, 163–164, 272
costate , 124, 129, 151, 154
endotoichal , 42, 45, 91, 92, 99, 118, 128, 130, 139, 144, 156, 159,
194, 195
endozooidal , 42, 45, 46, 89, 96, 117–120, 122, 125, 128–130, 138,
139, 142–144, 160–162, 187, 285
entrance , 63, 125, 134, 258
fl oor , 89, 91, 95, 96, 98–100, 102, 105, 125–127, 129, 131–133,
135, 136, 138–141, 150, 153–157, 159, 160, 164, 165,
167–169, 171–176, 178–182, 184–186, 188–193, 195–201,
211–214, 220, 329
formation , 63, 118, 122, 123, 162, 187, 196, 299, 308
hyperstomial , 42, 45, 46, 90, 115, 116, 118–120, 122, 131–135,
147, 159–162, 171–173, 180, 199, 200, 284, 329
immersed , 43, 95, 125, 128–131, 135, 136, 138, 142–144,
159–162
non-cleithral , 163, 198
opening , 118, 125, 128, 130, 133, 134, 137, 139, 146, 152, 153,
163, 194, 298
prominent , 128, 138, 142–144, 161, 184
pseudocleithral , 163
semicleithral , 99, 130, 163, 185
spinose , 151, 153
subcleithral , 163, 201
subimmersed , 95, 128, 135–136
terminal , 64, 96, 100, 126, 127, 129, 133, 146, 158, 159,
165, 181
Ovicellogenesis , 63, 117–120, 123, 124, 131, 132, 134, 135, 137,
138, 140, 141, 147, 153, 157, 160, 164, 165, 169, 176, 178,
187, 191
Subject Index