Page numbers in italics indicate illustrations.
A
_Acanthoceras_: 77
_Actinomma_: 49
Africa: 87
Agnatha: 87
Alaska: 7
_Alectryonia lugubris_: 68
algae: 44, 46, 47
“algal biscuits”: 44
alligators: 95
_Allorisma_: 67
_Allosaurus_: 90, 97, 98
Allotheria: 100
allotherians: 100
Amarillo College: 27
amber: 7
amblypods: 102
_Ambocoelia_: 57
_Amelanchier_: 48
American Museum of Natural History: 2, 15, 96
ammonites: 11, 75, 76, 77, 78
Ammonoidea: 66
ammonoids: 75, 76, 77, 78
Amphibia: 89
amphibians: 87, 92
Amphineura: 56
_Amphiscapha_: 61
_Ancilla_: 64
_Angulotreta_: 55, 56
ankylosaurs: 90, 97, 99
Annelida: 78
annelids: 78
_Anomia_: 74
anteaters: 100
Anthozoa: 49, 51
_Apsotreta_: 55, 56
aragonite: 11
_Archelon_: 91
_Archetectonica_: 64
_Archaeopteryx_: 100
Archeozoic, derivation and pronunciation: 33
Archer County: 89
_Archimedes_: 54
_arietina, Exogyra_: 70
Aristotle: 3
Arizona: 7
Arkansas: 37
Arlington State College: 1, 27
armadillos: 100, 102
Aronow, Saul: 1
Arthropoda: 78, 79, 80
arthropods: 10, 78, 79, 80
crustaceans: 79, 80
insects: 7, 79
ostracodes: 79, 80
trilobites: 78, 80
Articulata: 56
Artiodactyla: 106
artiodactyls: 106
camels: 106
entelodonts: 101, 106
ash, volcanic: 5
_Astacodes_: 79
_Astartella_: 67
Asteroidea: 82
asteroids: 82, 83
Asterozoa: 82
_Astraeospongium_: 50
_Astrhelia_: 53
_Astylospongia_: 50
_Aulosteges tuberculatus_: 12, 13
Austin: 14, 17, 19, 87
Austin College: 27
Australia: 87
author, of a fossil: 22
autopores: 51
Aves: 89, 100
_Avonia_: 12, 13
_signata_: 12, 13
_subhorrida_: 12, 13
B
bacteria: 47
_Baculites_: 77
bags, collecting: 17, 18
Balcones fault zone: 36, 37
baluchitheres: 104, 106
_Baluchitherium_: 106
_Barbatia_: 74
Baylor County: 89
Baylor University: 1, 2, 27, 90, 91, 95
Beaumont: 1, 34
clay: 34
Beaver, Harold: 1
_Belemnites_: 77, 78
Belemnoidea: 78
belemnoids: 77, 78
_Bellerophon_: 61
Big Bend area: 35, 36
National Park: 35, 97, 102
Big Spring: 89
binomial nomenclature: 21-22
Bird, R. T.: 2, 15, 96
birds, fossil: 5, 100
Blastoidea: 81
blastoids: 26, 28, 81
Blinn College: 27
bone, permineralized: 9
Books About Fossils: 108-110
Boon, Jack: 1
Brachiopoda: 54, 55, 56
brachiopods: 26, 29, 54, 55, 56
articulate: 54, 55, 56, 57, 58
Cambrian: 55
Cretaceous: 56
inarticulate: 55, 56
Mississippian: 55
Pennsylvanian: 57, 58
Permian: 12, 13
Recent: 56
silicified: 12, 13
symmetry: 24, 26, 29
_Brachiosaurus_: 90
Brewster County: 11, 12, 35, 41
brittle stars: 82
Bronaugh, Richmond L.: 1
Brontosaurus: 90, 97, 98
_Brontotherium_: 104, 105, 106
Brown, L. F., Jr.: 1
Bryophyta: 44
Bryozoa: 51, 54, 55
bryozoans: 26, 27, 28, 30, 51, 54, 55, 84
Mississippian: 54
Pennsylvanian: 55
_bulla, Venericardia_: 72
Bureau of Economic Geology: 2, 19
burrows: 14
“button corals”: 49, 53
C
_Calamites_: 48
calcite: 10, 11
callus: 59
_Calyptraphorus_: 64
_Camarotoechia_: 55
Cambrian—
derivation and pronunciation: 34
fossils: 40
brachiopods: 55
graptolites: 86
of Franklin Mountains, Llano, Marathon, and Solitario uplifts:
40
camels: 106
_cameratus, Neospirifer_: 58
_Caninia_: 51, 52
_Canis diris_: 102, 103
_domestica_: 22
caprinid: 27, 30
caprock, of High Plains: 35
carbon residues: 10, 86
Carboniferous: 34
_carinata, Ostrea_: 71
Carnivora: 102
carnivores: 102, 103
_Caryocorbula_: 74
_Caryocrinites_: 81
Casey, Josephine: 2
casts: 11
catalog, fossil; number: 31
cement, portland: 19
Cenozoic—
derivation and pronunciation: 33
periods of: 34
rocks in Texas: 43
central Asia: 106
central Texas: 11, 42
Cephalopoda: 56, 66, 75, 78
cephalopods: 24, 26, 27, 28, 29, 30, 66, 75, 76, 77, 78
ammonites: 75, 76, 77, 78
ammonoids: 75, 76, 77, 78
belemnoids: 77, 78
ceratites: 75, 78
coleoids: 77, 78
cuttlefish: 78
goniatites: 75, 76
nautiloids: 66, 75, 76
octopus: 66, 78
squid: 66, 78
sutures: 66, 75, 78
ceratites: 75, 78
ceratopsians: 90, 99, 100
_Ceratosaurus_: 90
_Cerithium_: 62
chalicotheres: 104, 106
Chelonia. _See_ turtles.
chisels: 17
chitin: 10
chitons: 56
Chondrichthyes: 87
_Chonetes_: 57
Chordata: 84-102
chordates: 84
amphibians: 89, 92
birds: 100
fishes: 87, 88, 89
graptolites: 40, 84, 86
mammals: 100-107
reptiles: 89-100
_Cladochonus_: 51, 52
_Cladophyllia_: 53
clams: 11, 56, 59. _See also_ pelecypods.
class, taxonomic: 22
classification, binomial nomenclature: 21-22
units of: 22
club mosses: 47
coal: 20, 47
mines: 20, 47
plants: 16, 46, 47, 48
_Cochlespiropsis_: 63
Coelenterata: 49, 51, 84
coelenterates: 49, 51-_53_
Coleoidea: 66
coleoids: 77, 78
collecting bags: 17, 18
columella, corals: 51
gastropods: 59, 60
columnal, crinoid: 81, 82, 83
Comanchean series of Cretaceous: 34. _See also_ Lower Cretaceous.
compass: 19
_Composita subtilita_: 57
compound corals. _See_ corals, colonial.
concretions: 16
coniferous trees: 7
conodonts: 41, 88, 89
_Conus_: 63
Cooper, G. A.: 2, 12
coprolites: 14
corallite: 49, 51
corallum: 51
corals: 11, 24, 26, 27, 49, 51, 52, 53
“button”: 49, 53
colonial: 24, 27, 30, 51, 52, 53
Cretaceous: 53
“horn”: 49, 51, 52
morphology: 51
Pennsylvanian: 52
polyp: 49
solitary: 24, 28, 29, 30, 49, 51, 52, 53
symmetry: 24, 26, 27, 28, 29, 30
Tertiary: 53
_Cordaites_: 48
correlation: 32
_Corythosaurus_: 90
cotylosaurs: 89, 92
crabs: 78, 79
_Crassatella_: 72
crayfish: 78
creodonts: 102
Cretaceous—
_See also_ Comanchean and Gulf series.
derivation and pronunciation: 34
fossils: 42-43
arthropods: 79
brachiopods: 56
cephalopods: 66, 67, 76, 77
corals: 53
crocodiles: 95, 96
dinosaurs: 90, 91, 93, 94, 95, 97, 99
echinoderms: 83, 84, 85
foraminifers: 49
gastropods: 59, 62
nautiloids: 76
pelecypods: 59, 66, 68-_71_
shark teeth: 88
worms: 78
tubes: 9
of central Texas, Edwards Plateau, Gulf Coastal Plain, High
Plains, north Texas, and Trans-Pecos Texas: 42
“Pyrite Fossil Zone” of: 11
crinoidal limestone: 41, 82, 83
Crinoidea: 81
crinoids: 26, 28, 41, 81, 82, 83
calyx: 81, 82, 83
morphology: 81
stems: 26, 28, 81, 82, 83
Crockett County: 42
Crockett formation: 43
crocodiles: 95, 96
crossopterygians: 87
crustaceans: 79, 80
Culberson County: 35
cuttlefish: 78
cycads: 47, 48
_Cymatoceras_: 75, 76
Cystoidea: 81
cystoids: 81, 82, 83
D
“Dark Ages”: 3
da Vinci, Leonardo: 3
Davis, Darrell: 1
Decapoda. _See_ Coleoidea.
deer: 106
Del Mar College: 27
dendrites: 14
_Dendrograptus_: 86
Denver, Colorado: 19
_Derbya_: 57
Devonian—
derivation and pronunciation: 34
fossils: 41
placoderms: 87, 88
_Psilophyton_: 48
of El Paso and Van Horn regions, Llano and Marathon uplifts:
41
Diablo Mountains: 41
diatoms: 44, 46, 47
Dibranchiata. _See_ Coleoidea.
_Dictyoclostus_: 55
_Dimetrodon_: 92
_Dinobastis_: 102, 103
Dinocerata: 102
dinocerates: 102, 105
dinosaurs: 89, 90-_94_, 95, 96, 97, 98, 99, 100
armored: 90, 97, 99, 100
duck-billed: 90, 97, 99
flying: 91, 94, 95
horned: 90, 99, 100
plate-bearing: 90, 97, 99
swimming: 91, 93, 95
_Diplodocus_: 90
_Diplograptus_: 86
dire wolf: 102, 103
_diris, Canis_: 102, 103
distillation: 10
_Distorsio_: 63
division, plant: 44
Dixon, J. W., Jr.: 2, 90, 91
dolomite: 11
dolphins: 95
_domestica, Canis_: 22
DuBar, Jules: 1
_Dufrenoyia_: 77
E
Eastland County: 20
East Texas State College: 27
Echinodermata: 80-84
echinoderms: 80-84
asteroids: 82, 83
blastoids: 81
crinoids: 81, 82, 83
cystoids: 81, 82, 83
echinoids: 82, 84, 85
holothuroids: 84
sclerites: 83
Echinoidea: 82
echinoids: 26, 28, 29, 82, 84, 85
Cretaceous: 84, 85
plates: 84, 85
spines: 84, 85
Echinozoa: 82
Edentata: 100
edentates: 100, 101, 102
Edwards Plateau: 19, 36, 37, 42, 43
Egyptian desert: 3
_Elasmosaurus_: 91
elephants: 102
Eleutherozoa: 82
Ellison, Samuel P.: 1
El Paso region—
Devonian of: 41
Ordovician of: 40
Precambrian of: 40
Silurian of: 40
_Endopachys_: 53
_Enoploclytia_: 79
entelodont: 101, 106
_Eohippus._ _See_ _Hyracotherium_.
epoch, geologic: 33
era, geologic: 33-34
Erath County: 20
_Eryops_: 92
_Euomphalus_: 61
_Euphemites_: 62
Europe: 89
_Exogyra arietina_: 70
_laeviscula_: 70
_ponderosa_: 70
_texana_: 70
F
“false fossils”: 14
family, taxonomic: 22
“feather stars”: 82
ferns: 47, 48
fish: 87, 88, 89
armored: 41, 88
carbon residue: 9
scales: 10
teeth: 10
vertebrae: 10
_Fistulipora_: 55
_Flabellum_: 53
foramen, pedicle: 54, 56
Foraminifera: 47, 49
Cretaceous: 49
fusulinids: 26, 29, 49
orbitoid: 26, 28
Pennsylvanian: 49
forams: 26, 28, 29, 47, 49
formation, geologic: 34
fossil—
birds: 5, 100
burrows: 14
cataloging: 31
collecting: 17
equipment: 17
ethics: 20
how to collect: 20
where to look: 19
definition: 3
dung: 14
footprints: 14
gizzard stone: 14
identification: 21, 23-30
keys: 26-30
preservation—
altered hard parts: 10-11
carbonization: 9, 10
mineralization: 10
permineralization: 10
petrifaction: 10
replacement, calcareous, iron, siliceous: 10, 11, 13
kinds of: 7
original hard and soft parts: 7
record, missing pages in: 5
wood: 47
fossilization, requirements of: 5
fossils—
animal: 47-107
Cambrian: 40
carbonized: 10
classification of: 21-22
cleaning: 21
etching in acid: 21
frozen: 5, 7, 104
guide and/or index: 32
in amber: 7
in oil saturated soil: 7
in quicksand: 5
in tar: 5
in volcanic ash: 5
main types of: 44
natural mummies: 7
permineralized or petrified: 10
plant: 4, 10, 20, 32, 44-48
Pleistocene: 101, 102, 103, 104
Precambrian: 40
preparation of: 21
Quaternary: 43, 101, 102, 103, 104
replaced or mineralized: 10
silicified: 21
Cretaceous: 11
Permian: 11
etching: 21
Silurian: 40, 81
Tertiary: 43
Triassic: 42
uses of: 31-32
France: 106
Franklin Mountains, Cambrian of: 40
frogs: 89
_Frondicularia_: 49
fungi: 44
Fusselman limestone: 40
_Fusulina_: 49
fusulinids: 26, 29, 47, 49
_Fusus_: 63
G
Gaptank formation: 35, 41
gastroliths: 14
Gastropoda: 56, 59
gastropods: 26, 27, 29, 30, 56, 59, 60
Cretaceous: 59, 62
morphology: 60
ornamentation: 59
Pennsylvanian: 61, 62
Tertiary: 59, 63, 64
generic name: 21-22
genus: 21-22
geologic—
column: 33
history: 33
map, definition: 40
map of Texas: 38-39
time: 34
time scale: frontispiece, 33
geology of Texas: 37-43
Germany: 5, 100
_Gingko_: 47, 48
_Girtyocoelia_: 50
Glasscock County: 42
Glass Mountains: 11, 12, 35, 41, 42
glauconite: 11
_Globigerina_: 49
Glossary: 111-114
_Glycymeris_: 74
_Glyptodon_: 101, 102
glyptodont: 101, 102
goats: 106
goniatites: 75, 76
Grand Prairie: 36, 37
Graptolithina: 84, 86
graptolites: 27, 30, 40, 84, 86
of Marathon uplift: 40, 86
Graptozoa. _See_ graptolites.
_graysonana, Gryphaea_: 69
Great Flood: 3
ground sloths: 7, 101, 102
_Gryphaea graysonana_: 69
_washitaensis_: 69
Guadalupe Mountains, Peak: 35
Gulf Coast: 32
Gulf Coastal Plain of Texas: 35, 36, 37, 42, 43, 106
Gulf of Mexico: 37
Gulf series of Cretaceous: 34. _See also_ Upper Cretaceous.
_Gyrodes_: 62
H
hagfish: 87
hammer, geologist’s: 17, 18
_Hamulus_: 78
hand lens: 17, 18
hard parts, animal—calcareous, chitinous, phosphatic, siliceous
remains: 10
Hardin-Simmons University: 27
heart urchins: 82, 83
_Heliospongia_: 50
hematite: 11
_Hemiaster_: 85
Hemichordata: 84
Henderson County Junior College: 27
Herodotus: 3
_Heterostegina_: 32
_Heteralosia hystricula_: 12, 13
“het” zone: 32
Hexacoralla: 51
High Plains: 35, 36, 37, 42, 43, 89, 95, 106
hippopotamuses: 106
_Holaster_: 85
_Holectypus_: 85
Holothuroidea: 82
holothuroids: 84
sclerites: 83
_Homo sapiens_: 22
“horn corals”: 49, 51, 52
horses: 103, 104
teeth: 104
Howard County Junior College: 27
Hudspeth County: 35, 41, 42
Hueco Mountains: 41
Hughes, Jack T.: 1
hydroids: 49
Hydrozoa: 49, 84
_Hyracotherium_: 103, 104
_hystricula, Heteralosia_: 12, 13
I
ichthyosaurs: 91, 93, 95
_Ichthyosaurus_: 91, 93
identification keys, fossil: 26-30
use of: 23-27
igneous rocks: 5, 19
Inarticulata: 54, 56
_Inoceramus_: 69
insects: 7, 78, 79
in amber: 7
iron, replacement by: 11
Italy: 3
J
Jack County: 20
jellyfish: 5, 49
Jurassic—
derivation and pronunciation: 34
fossils: 42
birds: 100
dinosaurs: 90, 91, 95, 97, 98, 99
_Gingko_: 48
of Hudspeth County and/or Malone Mountain: 41
_Juresania_: 58
K
keys. _See_ identification keys.
Kilgore College: 27
_Kingena wacoensis_: 56
L
labels, paper: 19
_laeviscula, Exogyra_: 70
Lamar State College of Technology: 1, 2, 27
lampreys: 87
_Latirus_: 63
Lee College: 27
_Lepidodendron_: 46
_Levifusus_: 64
_Lima_: 72
limonite: 11
_Lingula_: 55, 56
Linnaeus: 21
Linné: 21
_Linoproductus_: 57
_lisbonensis, Ostrea_: 72
liverworts: 44
lizards: 89
Llano uplift: 36, 37, 40, 41
Lonsdale, John T.: 1
lophophore, brachiopod: 54
_Lophophyllidium_: 49, 51, 52
_proliferum_: 52
_radicosum_: 52
Los Angeles, California: 5
Louisiana: 37
Lower Cretaceous: 34, 42, 56, 97. _See also_ Comanchean.
_lugubris, Alectryonia_: 68
_Lunatia_: 62
lungfishes: 87
M
Macon, J. W.: 2
magnifying glass: 17, 18
Malone Mountain: 42
Mammalia: 89, 100-107
mammoths: 102, 104, 107
frozen: 7, 102
tooth: 104
woolly: 102, 104, 107
mantle, brachiopod: 54
pelecypod: 59
maps—
county: 17
geologic: 19
of Texas: 38-39
physiographic of Texas: 36
topographic: 19, 20
Marathon uplift: 35, 36, 40, 41
marcasite: 11
_Marginifera_: 57
_opima_: 12, 13
mastodon, tooth: 104
_Meandrostia_: 50
Mediterranean Sea: 3
_mercenaria, Venus_: 22
_Mesalia_: 63
_Mesolobus_: 57
Mesozoic—
derivation and pronunciation: 33
periods of: 34
rocks in Texas: 42-43
metamorphic rocks: 5, 19
_Metoicoceras_: 76
_Michelinia_: 52
_Micrabacia_: 49, 52
microfossils: 4, 10, 32, 47, 49, 50, 78
micropaleontological slides: 32
micropaleontologist: 32, 47, 80
micropaleontology: 4, 89
Midwestern University: 27
mine dumps: 20, 47
Mississippian—
derivation and pronunciation: 34
fossils: 41
blastoid: 81
brachiopods: 55
bryozoan: 54
of Hueco Mountains: 41
of Llano region: 41
mold, external: 9, 11, 59, 66
internal: 9, 11, 59, 62, 66
Mollusca: 56-78
mollusks: 7, 56, 59-78. _See also_ Mollusca.
_Moropus_: 106
mosasaur: 91, 93, 95
“moss animals”: 54
mosses: 44
_Muirwoodia multistriatus_: 12, 13
multituberculates: 100
_multistriatus, Muirwoodia_: 12, 13
mussels: 56, 59
museums, as aid in identification: 23
American, Natural History: 2, 15, 96
Strecker: 95
Texas Memorial: 14, 87, 95, 97, 100, 102
_Myalina_: 67
_Mylodon_: 100, 101
N
Nautiloidea: 66
nautiloids: 66
Cretaceous: 76
morphology: 75
Pennsylvanian: 76
sutures: 75
_Nautilus_: 66
morphology: 75
_Neithea_: 70
_Neospirifer_: 57
_cameratus_: 58
_Nerinea_: 62
_Neuropteris_: 48
_Neverita_: 64
New Mexico: 7
New York City: 14
North-Central Plains: 35, 36, 37, 40, 41, 42, 43
north Texas: 42
North Texas State College: 27
notebook, field: 17
_Notopocorystes_: 79, 80
_Nucula_: 73
_Nuculana_: 67
_Nuculopsis_: 67
O
octopus: 66, 78
Odessa College: 27
operculum: 59
_Ophiuroidea_: 82
ophiuroids: 82
_opima, “Marginifera”_: 12, 13
order, taxonomic: 22
Ordovician—
derivation and pronunciation: 34
fossils: 40
graptolites: 86
of El Paso region, Llano, Marathon, Solitario, and Van Horn
uplifts: 40
ornamentation, brachiopod: 54
gastropod: 59
pelecypod: 66
Ornithischia: 97
ornithischians: 90, 97, 98, 100
Ornithopoda: 97
ornithopods: 90, 97, 99
_Orthoceras_: 66, 76
_Orthoyoldia_: 73
ossicles. _See_ sclerites.
_Osteichthyes_: 87
Ostracoda: 80
ostracoderms: 87
ostracodes: 78, 79, 80
_Ostrea carinata_: 71
_lisbonensis_: 72
_quadriplicata_: 71
_sellaeformis_: 72
_Oxytropidoceras_: 77
oysters: 56, 59
P
_Pachecoa_: 72
_Pachymya_: 71
paleobotany: 4
paleobotanists: 44
paleontology—
definition: 4
divisions of: 4
history of: 3
invertebrate: 4
vertebrate: 4
_Paleoscincus_: 90, 97, 99, 100
Paleozoic—
derivation and pronunciation: 33
periods of: 34
rocks of Texas: 40-42
Palo Pinto County: 20
Paluxy Creek: 14, 15
Pan American College: 27
Pantodonta: 102
pantodonts: 102
_Parasaurolophus_: 90
_Parasmilia_: 53
Parker County: 20
Pawpaw formation: 11
pearly nautilus: 66
morphology: 75
Pecos County: 42
Pecos River valley: 35
_Pecten_: 59, 68, 74
pedicle: 54, 56
foramen: 54, 56
valve, brachiopod: 54
Pelycosaurs: 89, 92
Pelecypoda: 56, 59, 65-66
pelecypods: 26, 29, 30, 56, 59, 60, 66
Cretaceous: 59, 66, 68-_71_
dentition: 66
morphology: 59, 60, 65, 66
ornamentation: 66
Pennsylvanian: 66, 67
teeth: 60, 65, 66
Tertiary: 72, 73, 74
Pelmatozoa: 80, 81
Pennsylvanian—
derivation and pronunciation: 34
fossils: 41
brachiopods: 57, 58
bryozoans: 55
cephalopods: 66, 76
corals: 52
crinoids: 41, 82, 83
fusulinids: 47, 49
gastropods: 61, 62
nautiloids: 76
pelecypods: 66, 67
plants: 46, 47, 48
shark teeth: 87
sponges: 50
of Diablo and Hueco Mountains, Llano and Marathon uplifts, and
north-central Texas: 41
_Pentaceros_: 83
_Pentagonaster_: 83
_Pentremites_: 81
period, geologic: 33
periostracum: 60
Perissodactyla: 104
perissodactyls: 103, 104, 105
Permian—
derivation and pronunciation: 34
fossils: 41
amphibian: 89, 92
brachiopods: 12, 13
cotylosaurs: 89, 92
pelycosaurs: 89, 92
of Glass Mountains: 11, 12, 35
_permiana, Prorichthofenia_: 12, 13
permineralized bone: 9
petroleum geologist: 4
_Phaneroceras_: 76
_Phobosuchus_: 95, 96
_Pholadomya_: 71, 72
phyla: 22
_Phyllograptus_: 86
phylum: 22
physiographic provinces, of Texas: 35-37
physiography, definition: 35
of Texas: 35-37
phytosaurs: 42, 91, 94, 95
pick, mineralogist’s or prospector’s: 17, 18
pigs: 106
_Pinna_: 67
Pisces: 86-89
_Pitar_: 72
Placodermi: 87
placoderms: 87, 88
plant kingdom: 44
plants, classification: 44
Pennsylvanian: 46, 47, 48
_Platyceras_: 62
Pleistocene: 43. _See also_ Quaternary.
fossils: 101, 102, 103, 104
plesiosaurs: 91, 93, 95
_Pleurocora_: 53
_Plicatula_: 68, 74
_Pliohippus_: 103
Poland: 7, 106
pollen: 47
polyp, coral: 49
_Polypora_: 55
_ponderosa, Exogyra_: 70
Porifera: 49
_Porodiscus_: 49
portland cement: 19
Precambrian—
definition: 34
fossils: 40
of El Paso region: 40
of Llano uplift: 37, 40
of Van Horn uplift: 40
rocks of Texas: 40
Presidio County: 35
Proboscidea: 102
proboscideans: 102, 104, 107
teeth: 104
_proliferum, Lophophyllidium_: 52
_Prorichthofenia permiana_: 12, 13
Proterozoic, derivation and pronunciation: 33
Protista: 47
_Protocardia_: 68
_Protoceratops_: 90
Protozoa: 47, 49
protozoans: 47
pseudofossils: 14
_Pseudoliva_: 63
_Psilophyton_: 48
_Pteranodon_: 91, 94
Pterodactyloids: 91
pterosaurs: 91, 94, 95
_Punctospirifer_: 57
pyrite: 11
“Pyrite Fossil Zone” of Cretaceous: 11
Q
_quadriplicata, Ostrea_: 71
quarries: 19
Quaternary—
derivation and pronunciation: 34
fossils: 43, 101, 102, 103, 104
of Edwards Plateau, Gulf Coast, High Plains, North-Central
Plains, and Trans-Pecos Texas: 43
quicksand: 5
R
_radicosum, Lophophyllidium_: 53
Radiolaria: 47
radiolarians: 47, 49
Rancho La Brea tar pit: 5
rays: 87
Reagan County: 42
_Receptaculites_: 50
Renaissance: 3
Reptilia: 89-100
reptiles: 89-100
rhamphorhynchoids: 91
_Rhamphorhynchus_: 91, 94
rhinoceroses: 7, 104, 106, 107
woolly: 106, 107
_Rhipodomella_: 55
_Rhombopora_: 51, 55
Rice University: 27
Rio Grande valley, of Trans-Pecos: 35, 95
road metal: 19
_Robulus_: 49
Rock and Mineral Clubs: 23
rock units: 34
_rockymontanus, Spirifer_: 58
Rodda, Peter U.: 1
rudistids: 26, 27, 28, 29, 30
Rugosa: 51
S
saber-tooth cat: 102, 103
St. Mary’s University: 27
salamanders: 89
_Salenia_: 85
San Angelo College: 27
San Antonio College: 27
sand dollars: 82
_sapiens, Homo_: 22
Sarcodina: 47
Saurischia: 97
saurischians: 90, 97, 99
Sauropoda: 97
sauropods: 90, 97, 98
scale trees: 46, 47
scallops: 56, 59
Scaphopoda: 56
scaphopods: 26, 27, 28, 29, 56
_Schizodus_: 67
scientific names: 21-23
Scleractinia: 51
sclerites, holothurian: 83, 84
scolecodont: 78
scouring rushes: 47, 48
Scyphozoa: 49, 84
sea anemones: 49
sea cucumbers: 82
“sea lily”: 81, 82
“sea mats”: 51, 54
“sea-mice”: 56
sea urchins: 82
sedimentary rocks: 5, 19
_sellaeformis, Ostrea_: 72
septa, cephalopods: 66, 75
corals: 49, 51
serpent stars: 82
_Serpula_: 78
_Seymouria_: 92
sharks: 87
teeth: 10, 87, 88
sheep: 106
shrimp: 78
Siberia: 7, 106
_Sigillaria_: 46
_signata, Avonia_: 12, 13
silica: 10, 11
silicification: 11
Silurian—
derivation and pronunciation: 34
fossils: 40
cystoid: 81
of El Paso and Van Horn regions: 40
skates: 87
slickensides: 16
slugs: 56
Smith, Fred: 1
snails: 11, 56, 59. _See also_ gastropods.
snakes: 89
Solitario uplift: 40
Somervell County: 14, 15
South America: 87, 102
Southern Methodist University: 27
South Texas College: 27
Southwestern University: 27
species: 22
spicules, sponge: 49, 50
spiders: 78
spines, echinoid: 84, 85
_Spirifer rockymontanus_: 58
_Spirorbis_: 78
sponges: 10, 27, 30, 49, 50
spores: 47
_Squamularia_: 57
squid: 66, 78
starfish: 82, 83
_Stegosaurus_: 90, 97, 99
stegosaurs: 90, 97, 99
steinkern: 59, 62
stems, crinoid: 26, 28, 41, 81, 82, 83
Stephen F. Austin State College: 27
“stomach stones”: 14
stone, building: 19
Strabo: 3
_Straparolus_: 61
Strecker Museum: 95
_Striatopora_: 51, 52
_Strobeus_: 62
Styracosaurus: 90
_subhorrida, Avonia_: 12, 13
_subtilita, Composita_: 57
Sul Ross State College: 27
_Surcula_: 64
sutures, cephalopod: 66, 75, 78
nautiloid: 75
swine, giant: 106
_Sycostoma_: 64
symmetry: 23
bilateral: 24, 26, 29
radial: 24, 26, 28, 80
T
tabulae: 51
Tabulata: 51
tape, masking: 19
tapirs: 104
tar: 5
Tarleton State College: 27
Tarrant County: 11
taxonomy: 21-22
teeth, horse: 104
mammoth: 104
shark: 10, 87, 88
_Tellina_: 73
Tertiary—
derivation and pronunciation: 34
fossils: 43
corals: 53
gastropods: 59, 63, 64
mammals: 100-107, 103, 105
microfossils: 32
pelecypods: 72, 73, 74
radiolarians: 49
rocks of Gulf Coastal Plain, High Plains, North-Central
Plains, and Trans-Pecos region: 42
Tetracoralla: 51
Tetrapoda: 86, 89-107
_texana, Exogyra_: 70
_Texanites_: 77
Texas A. & M. College: 1, 27
Texas Christian University: 27
Texas College: 27
Texas College of Arts and Industries: 27
Texas Highway Department: 17
Texas Memorial Museum: 14, 87, 95, 97, 100, 102
Texas Technological College: 27
Texas, the geology of: 34, 37-43
Texas Western College: 27
Thallophyta: 43, 46
Theophrastus: 3
Therapsids: 89
Theria: 100
therians: 100-107
artiodactyls: 101, 106
carnivores: 102, 103
dinocerates: 102, 105
edentates: 100, 101, 102
pantodonts: 102
perissodactyls: 104
proboscideans: 102, 104, 107
Theropoda: 97
theropods: 90, 97, 98
The University of Texas: 1, 2, 27
time, geologic: 34
titanotheres: 104, 105, 106
toads: 89
tortoises: 89
traces of organisms: 14
burrows: 14
coprolites: 14
gastroliths: 14
tracks: 14, 15
trails: 14
Tracheophyta: 44, 46, 48
_Trachodon_: 90, 97, 99
tracks, dinosaur: 14, 15, 97
Trans-Pecos region: 35, 36, 40, 42, 43, 86, 95, 102, 106
tree sloths: 100, 102
trees, coniferous: 7
_Trepospira_: 61
Triassic—
derivation and pronunciation: 34
fossils: 42
dinosaurs: 95
phytosaurs: 91, 94, 95
of Crockett, Glasscock, Pecos, Reagan, and Upton counties;
Glass Mountains and High Plains: 42
_Triceratops_: 90, 99, 100
_Trigonia_: 69
Trilobita: 78
trilobites: 78, 80
morphology: 80
Trilobitomorpha: 78
_Trinacromerum_: 91
Trinity University: 27
trivial name: 21-22
_Trochosmilia_: 53
_Tuba_: 64
_tuberculatus, Aulosteges_: 12, 13
_Turrilites_: 77
_worthensis_: 22
_Turritella_: 62, 63
turtles: 89, 91
tusk-shells: 56
Tyler Junior College: 27
_Tylosaurus_: 91, 93
_Tylostoma_: 62
_Tyrannosaurus_: 90, 97
U
uintatheres: 102, 105
_Uintatherium_: 102, 105
umbilicus: 59, 60
United States Geological Survey: 19
United States National Museum: 2, 12
University of Corpus Christi: 27
University of Houston: 1, 27
University of Texas, The: 1, 2, 27
Upper Cretaceous: 34, 42, 78. _See also_ Gulf.
Upton County: 42
V
valves, brachiopod: 54, 56
pelecypod: 59, 65, 66
Van Horn uplift: 35, 36, 40, 41
_Venericardia_: 73
_bulla_: 72
ventral valve, brachiopod: 54
_Venus mercenaria_: 22
_Vertagus_: 63
Vertebrata: 84, 86-107
vertebrates: 86-107
amphibians: 89, 92
birds: 100
fish: 87, 88, 89
mammals: 100-107
reptiles: 89-100
_Vokesula_: 73
volcanic ash: 5
_Volutolithes_: 64
W
Waco: 91, 92, 95
_wacoensis, Kingena_: 56
Washington, D. C.: 19
_washitaensis, Gryphaea_: 69
Weches formation: 43
West Texas State College: 1, 27
Wilson, John A.: 2
Wilson, Sarah Louise: 2
Wise County: 20
wood, petrified: 19
Woodbine: 10, 37, 47
worms, annelid, fossil, segmented: 78
worm tubes, Cretaceous: 9
_Worthenia_: 61
_worthensis, Turrilites_: 22
Y
_Yoldia_: 67
Young County: 20
Young, Keith: 1
Z
Zoantharia: 51
zooecia: 51