Mollusca from the Lingle and St. Laurent Limestones (Middle Devonian) of Southern Illinois and Southeastern Missouri |
Contents
Mesoamerican Studies | 1 |
PREVIOUS WORK | 7 |
University Museum Studies | 20 |
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Common terms and phrases
abapertural Adams aperture appressus Aviculopecten fasciculatus bank Barynema bear Bellerophon Bembexia body body chamber boydi Branson Carbondale chamber collections Conocardium Conrad consists CREEK Cyclonema Cypricardella Description differs dorsal east Ellison Family fauna figs figure Flower Genus Grand Tower gray Hall lateral Hall Plate height Holotype Hypotype Illinois University Museum incomplete Knight lateral exterior view lateral view Laurent Limestone laxus left valve X2 Limoptera macroptera Lingle and St Lingle Limestone listed LOCALITIES maximum diameter measures Meek Middle Devonian mile Miller missing Missouri molluscan Mourlonia Newell Order Paleontology Paracyclas Perry County Phragmosphaera Platyceras Platyceras present princeps Pseudaviculopecten Quadrangle Remarks Savage shales shell Shimer similar slightly smaller Southern Illinois University species species of mollusks specimen spiral stratigraphic strong Subclass Subfamily Suborder Superfamily Synonymy to date Tentaculites bellulus tenuistriata Hall threads Tornoceras Tropidodiscus Type Union County Upper Wenz whorl