《Triassic Life of the Connecticut Valley》

Introduction17

Historical Sketch17

Part Ⅰ. The Triassic Formation19

The Connecticut Valley19

Extent of Triassic Trough19

Age and Geological History19

Theories regarding Deposition of Sediments21

Theory of Tidal Estuary21

Theory of Continental Deposition26

The Physical Environment29

Climatic Indications29

Evidence of Sediments29

Evidence of Physical Phenomena31

Evidence of Organic Life33

Vegetal Life35

The Plant-bearing Shales38

Résumé39

Part Ⅱ. The Triassic Life45

The Flora45

The Fauna48

The Invertebrates48

Actual Fossils48

Invertebrate Trails55

The Aquatic Vertebrates71

The Terrestrial Vertebrates75

General Description75

Skeletal Remains75

Footprints80

Geographical Distribution82

Massachusetts82

Connecticut90

Stratigraphical Distribution94

Correlation of Distribution in Connecticut Valley and New Jersey Areas94

Technical Description97

The Skeletons97

Class Reptilia98

Order Parasuchia98

Suborder A?tosauria99

Suborder Phytosauria109

Order Dinosauria117

Suborder Theropoda117

Superfamily Megalosauria118

Superfamily Compsognatha155

The Footprints169

Class Reptilia174

Order Parasuchia174

Suborder A?tosauria174

Order Dinosauria180

Suborder Theropoda180

Suborder Orthopoda207

Class ?Reptilia226

Incert? Sedis226

Forms habitually Bipedal226

Forms occasionally Quadrupedal243

Forms habitually Quadrupedal246

Class Amphibia252

Vertebrata of doubtful Class261

Bibliography265