Chesterian (Upper Mississippian) Gastropoda of the Illinois basin
By: [by] Myint Lwein Thein -- and Matthew H. Nitecki --.
Contributors: Nitecki, Matthew H., joint author.
Series: Fieldiana -- v. 34; Field Museum of Natural History. Publication -- 1179; Publication (Field Museum of Natural History) -- 1179.
Publisher: Field Museum of Natural History
Published: 1974
Place of publication: Chicago
Subjects: Gastropoda, Fossil -- Illinois.; Gastropoda, Fossil -- Kentucky.; Paleontology -- Mississippian.; Paleontology -- Illinois.; Paleontology -- Kentucky.
Other titles: Chesterian Gastropoda
Description: Chester gastropods from southern Illinois, eastern Missouri, and north-western Kentucky are described. The method used in discriminating the immature from adult individuals is explained. Fifty-three named species, 20 indetermined species and four variants are described. Four new genera are as follows: Yochelsonospira, Wellergyi, Kinkaidia, Globozyga. -- Thirty-eight new species are as follows: Bellerophon (Bellerophon) claxtonensis -- B. (B.) menardensis -- Knightites (Cymatospira) welleri -- Patellilabia chesterensis -- Straparollus (Euomphalus) illinoisensis -- Trepospira (Trepospira) chesterensis -- T. (Angyomphalus) kentuckiensis -- Balyea okawensis -- Euconospira sturgeoni -- Neilsonia welleri -- Wellergyi chesterensis -- Yochelsonospira pagoda -- Gosseletina johnsoni -- Porcellia chesterensis -- Glyptotomaria (Dictyotomaria) yochelsoni -- Phymatopleura nyi -- Kinkaidia cancellata -- Strophostylus chesterensis -- Naticopsis (Naticopsis) mariona -- Aclisina golconda -- A. marvinwelleri -- Stegocoelia (Stegocoelia) kentuckiensis -- S. (Stegocoelia) okawensis -- S. (Hypergonia) baldwinensis -- Platyzona americana -- Eotrochus marigoldensis -- Paleozygopleura venusta -- P. welleri -- Bulimorpha minor -- Leptoptygma golconda -- Globozyga tenuistriata -- Meekospira bambooformis -- M. batteni -- M. evansvillensis -- M. mississippiensis -- Donaldina marigoldensis -- D. americana -- D. zadoe.