Chapter 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