ammonites
Goniostropha extenuata Hall 1860 (snail)

Gastropoda - Murchisoniina - Murchisoniidae

Alternative combinations: Lophospira extenuata, Murchisonia extenuata

Full reference: J. Hall. 1860. Notes and observations upon the fossils of the Goniatite Limestone, in the Marcellus shale of the Hamilton group, and those of the Goniatite beds of Rockford, Indiana, with some analogous forms from the Hamilton Group proper. Annual report of the Regents of the University of the State of New York on the State Cabinet of Natural History and the Historical and Antiquarian collection annexed thereto 13:95-112

Belongs to Goniostropha according to H. S. Williams and C. L. Breger 1916

Sister taxa: Murchisonia (Cheilotoma), Murchisonia (Goniospira), Murchisonia (Murchisonia), Murchisonia (Ostioma), Murchisonia (Sinuspira), Murchisonia aciculata, Murchisonia akidota, Murchisonia allevata, Murchisonia anderdoniae, Murchisonia anglica, Murchisonia angulata, Murchisonia angustetaeniata, Murchisonia archiaci, Murchisonia arctica, Murchisonia auctor, Murchisonia basalestriata, Murchisonia bassensis, Murchisonia bilineata, Murchisonia brevis, Murchisonia cambria, Murchisonia cicela, Murchisonia concava, Murchisonia conradi, Murchisonia convexa, Murchisonia declivisdiot, Murchisonia deflexa, Murchisonia defrancei, Murchisonia delagei, Murchisonia deludisubzona, Murchisonia dornapica, Murchisonia dowlingii, Murchisonia dublinensis, Murchisonia dudleyensis, Murchisonia eichwaldi, Murchisonia elegans, Murchisonia fornicata, Murchisonia fusiformis, Murchisonia gourvenneci, Murchisonia gracilicrista, Murchisonia gracilis, Murchisonia gubleri, Murchisonia hebe, Murchisonia hercynica, Murchisonia holynensis, Murchisonia infrequens, Murchisonia intercedens, Murchisonia intermedia, Murchisonia jackjelli, Murchisonia kanekoi, Murchisonia kirchnera, Murchisonia laphami, Murchisonia lawlessi, Murchisonia leda, Murchisonia liufengshanensis, Murchisonia lochkoviensis, Murchisonia lohrheimi, Murchisonia margaritata, Murchisonia megathanae, Murchisonia micula, Murchisonia minuta, Murchisonia mylitta, Murchisonia nerinea, Murchisonia obesa, Murchisonia obtusangula, Murchisonia oegensis, Murchisonia oehlerti, Murchisonia ordovicia, Murchisonia padangensis, Murchisonia paeckelmanni, Murchisonia pagodeformis, Murchisonia petila, Murchisonia placida, Murchisonia plumleyi, Murchisonia pragensis, Murchisonia pritchardi, Murchisonia pygmaea, Murchisonia reverdyi, Murchisonia sandbergeri, Murchisonia sandbergi, Murchisonia selenalta, Murchisonia sera, Murchisonia sibleyensis, Murchisonia similis, Murchisonia sosiensis, Murchisonia sphaerulata, Murchisonia steltenbergensis, Murchisonia subangulata, Murchisonia subcarinata, Murchisonia subornata, Murchisonia taltiensis, Murchisonia tenuissima, Murchisonia tillesae, Murchisonia tricincta, Murchisonia trilineata, Murchisonia turbinata, Murchisonia turriformis, Murchisonia turris, Murchisonia vicariana, Murchisonia vincta, Murchisonia wandovalensis, Murchisonia xanthippe, Murchisonia zimmermanni, Pseudomurchisonia kokeni, Goniostropha bachelieri, Goniostropha chapmani, Murchisonia (Goniostropha) turriculata

Ecology: epifaunal suspension feeder