Gastropoda - Bellerophontida - Bellerophontidae
Alternative combinations: Bellerophon (Bucania) lyelli, Bellerophon lyelli, Knightites (Retispira) lyelli
Synonyms: Bellerophon (Bucania) sosiensis Gemmellaro 1889, Bellerophon sosiensis Gemmellaro 1889, Knightites (Retispira) girtyi Yochelson 1960, Retispira girtyi Yochelson 1960, Retispira sosiensis Gemmellaro 1889
Full reference: G. G. Gemmellaro. 1889. La Fauna dei Calcari Con Fusulina della Valle del Fiume Sosio nella Provincia di Palermo, Fasc 2. Nautiloidea e Gastropoda. Giornale di Scienze Naturali e Economiche 20:97-182
Belongs to Retispira according to P. J. Wagner 2011
Sister taxa: Knightites (Retispira) striata, Knightites (Retispira) warthi, Retispira albapinensis, Retispira angustifasciata, Retispira asiatica, Retispira bellireticulata, Retispira bilabiatus, Retispira bimorpha, Retispira bittneri, Retispira carinatus, Retispira chenmazijingensis, Retispira christinae, Retispira cincta, Retispira clarkei, Retispira culleni, Retispira decussatus, Retispira deflectus, Retispira devonica, Retispira elegans, Retispira elevata, Retispira emerii, Retispira exilis, Retispira fascireticulatus, Retispira fragilis, Retispira guizhouensis, Retispira hibernicus, Retispira hohenlimburgensis, Retispira integra, Retispira irwinensis, Retispira kattaensis, Retispira keyniana, Retispira leda, Retispira matanensis, Retispira meekiana, Retispira modesta, Retispira monronensis, Retispira multicancellata, Retispira multilirata, Retispira multiscalpta, Retispira ningxiaensis, Retispira nodocostata, Retispira nodulifera, Retispira nolani, Retispira ordinata, Retispira ornatissima, Retispira ornatus, Retispira otsego, Retispira perelegans, Retispira puchenpraensis, Retispira qingshuiheensis, Retispira qingshuihensis, Retispira repertus, Retispira reticulata, Retispira reticulatus, Retispira retifera, Retispira schwelmensis, Retispira sinensis, Retispira solignaci, Retispira strictocanalicula, Retispira strictura, Retispira subtilistriata, Retispira sullivani, Retispira tasselli, Retispira temnonema, Retispira tenuilineata, Retispira tenuilirata, Retispira texana, Retispira textiliformis, Retispira textilis, Retispira triangularis, Retispira tumidus, Retispira undata, Retispira undulata, Retispira waverliensis, Retispira yochelsoni
Type specimens:
- Retispira lyelli: Its type locality is Rupe del Passo di Burgio, calcare compatto, Sosio, which is in a Wordian carbonate limestone in Italy
- Bellerophon (Bucania) sosiensis: Its type locality is Pietra di Salomone, calcare grossolano, Sosio, which is in a Wordian carbonate limestone in Italy.
- Retispira girtyi: USNM 119965, a shell. Its type locality is USNM703b, Old Word Ranch, Glass Mountains, which is in a Kungurian reef, buildup or bioherm limestone in the Cathedral Mountain Formation of Texas.
- Retispira sosiensis:
Ecology: slow-moving low-level epifaunal detritivore
Average measurements (in mm): shell 8.91 x 7.93