Proceedings of The Academy of Natural Sciences (Vol. 135, 1983)

A.II A.IV A.VI A.VIII Abdomen length absent Academy of Natural Afrogryllopsis ANSP antenna aperture apex apical band Basin body whorl BOLIVIA bollingi Calyptraea chaetotaxy of thorax Characidae characters Chironomidae Chopard collected Corynoneura Crepidula Cricotopus d'Orbigny dark brown Davis dorsal view dorsum epiphallus exuviae fauna female femora femur Fenouilia Fish House Forewings fossil Gastropoda genera genetic genus HABITAT head Heleobia hind femur length Holotype Kenya Lacunopsis Larva lateral teeth Lectotype legs long as hind male genitalia male GS median Munidopsis Museum Natural Sciences Neogryllopsis northern Atlantic Slope Notulae Naturae Otte outer pale Paracladius Parametriocnemus paratype Pequegnat PERU Pomatiopsidae posterior margin pronotum Pupa pupal exuviae rows Sciences of Philadelphia segments setae shagreen shagreen and armature shell snails song species SPECIMENS EXAMINED spines spinules sterna subfamily syntypes Table Tanzania taxa Teleogryllus terga titicacae tooth Tricula Triculinae unionid VENEZUELA ventral whorl number width