acuticosta, Cyrtolites acuticosta Trueman & Williams † (FOSSIL)
acutilira, Sinuitopsis acutilira Hall, 1859 † - syn of: Sinuitina acutilira (Hall, 1859) † (FOSSIL)
advena, Neocyrtolites advena Perner, 1903 † (FOSSIL)
atavus, Sinuitopsis atavus Perner, 1903 † (FOSSIL)
bicarinatus, Sinuitopsis bicarinatus Perner, 1903 † - syn of: Sinuitopsis neglecta transgrediens Perner, 1903 † (FOSSIL)
brevilineatus, Sinuitopsis brevilineatus Conrad, 1842 † - syn of: Sinuitina brevilineatus (Conrad, 1842) † (FOSSIL)
budleighensis, Cyrtolites budleighensis Cowper Reed, 1921 † (FOSSIL)
buttsi, Cloudia buttsi Knight, 1947 † (FOSSIL)
cambriensis, Telamocornu cambriensis (Belt, 1868) † (FOSSIL)
carinatus, Paracyrtolites carinatus (Miller, 1874) † (FOSSIL)
claysferryensis, Cyrtolites claysferryensis Wahlman, 1992 † (FOSSIL)
clemvillensis, Cyrtolites clemvillensis Northrop, 1939 † - syn of: Zonidiscus clemvillensis (Northrop, 1939) † (FOSSIL)
congruens, Sinuitopsis congruens Cowper Reed, 1921 † (FOSSIL)
consobrinus, Sinuitopsis consobrinus Troedsson, 1919 † (FOSSIL)
corniculum, Cyrtolithes corniculum Eichwald, 1860 † - syn of: Pollicina corniculum (Eichwald, 1860) † (FOSSIL)
craigensis, Cyrtolites craigensis Cowper Reed, 1921 † (FOSSIL)
cristatus, Cyrtolites cristatus Perner, 1903 † - syn of: Pharetrolites cristatus (Perner, 1903) † (FOSSIL)
cristatus, Cyrtolites cristatus Safford, 1869 † - syn of: Alaskodiscus cristatus (Safford, 1869) † (FOSSIL)
decorus, Yochelsonellis decorus (Perner, 1903) † (FOSSIL)
dilatatus, Cyrtolites dilatatus Ulrich & Scofield, 1897 † - syn of: Cyrtolites dilatus Ulrich & Scofield, 1897 † (FOSSIL)
dilatus, Cyrtolites dilatus Ulrich & Scofield, 1897 † (FOSSIL)
discus, Cyrtolites discus Lindström, 1884 † - syn of: Zonidiscus discus (Lindström, 1884) † (FOSSIL)
disjunctus, Cyrtolites disjunctus Ulrich & Scofield, 1897 † (FOSSIL)
elevata, Cyrtonellopsis elevata Perner, 1903 † - syn of: Barrandicellopsis elevata (Perner, 1903) † (FOSSIL)
eremita, Cyclocyrtonella eremita (Perner, 1903) † (FOSSIL)
euryomphalus, Cyrtolites euryomphalus Lindström, 1884 † - syn of: Temnodiscus euryomphalus (Lindström, 1884) † (FOSSIL)
expansus, Cyrtonella expansus Hall, 1860 † (FOSSIL)
fallax, Yochelsonellis fallax (Perner, 1903) † (FOSSIL)
fasciculatus, Yochelsonellis fasciculatus (Perner, 1903) † (FOSSIL)
ferrigena, Sinuitopsis ferrigena Perner, 1903 † - syn of: Sinuitopsis neglecta transgrediens Perner, 1903 † (FOSSIL)
fillmorensis, Cyrtolites fillmorensis Ulrich & Scofield, 1897 † - syn of: Cyrtolites retrorsus Ulrich & Scofield, 1897 † (FOSSIL)
grandis, Cyrtolites grandis Koken, 1897 † (FOSSIL)
hornyi, Sinuitopsis hornyi Marek, 1963 † (FOSSIL)
hornyi, Cyrtolites hornyi Wahlman, 1992 † (FOSSIL)
huzzahensis, Cyrtonellopsis huzzahensis Yochelson, 1958 † (FOSSIL)
incertus, Sinuitopsis incertus Perner, 1903 † - syn of: Sinuitopsis neglecta transgrediens Perner, 1903 † (FOSSIL)
inornatum, Cyrtolites inornatum (Hall, 1845) † (FOSSIL)
inornatum, Microceras inornatum Hall, 1845 † - syn of: Cyrtolites inornatum (Hall, 1845) † (FOSSIL)
inprobus, Cyrtolites inprobus Perner, 1903 † (FOSSIL)
insculptus, Cyrtolites insculptus Northrop, 1939 † (FOSSIL)
karlikensis, Kolihadiscus karlikensis (Horný, 2005) † (FOSSIL)
kochiriensis, Sinuitopsis kochiriensis Kobayashi, 1930 † - syn of: Modestospira kochiriensis (Kobayashi, 1930) † (FOSSIL)
kokeni, Yochelsonellis kokeni (Perner, 1903) † (FOSSIL)
lamellifer, Cyrtolites lamellifer Lindström, 1884 † - syn of: Temnodiscus lamellifer (Lindström, 1884) † (FOSSIL)
llandoveriana, Cyrtolites nodosus llandoveriana Cowper Reed (FOSSIL)
minor, Cyrtolites minor Ulrich & Scofield, 1897 † (FOSSIL)
minuta, Sinuella minuta Knight, 1947 † (FOSSIL)
mitella, Cyrtonella mitella Hall, 1859 † (FOSSIL)
neglecta, Sinuitopsis neglecta Perner, 1903 † (FOSSIL)
neglecta transgrediens, Sinuitopsis neglecta transgrediens Perner, 1903 † (FOSSIL)
nodosa, Sinuitopsis nodosa Perner, 1903 † (FOSSIL)
nodosus, Cyrtolites nodosus Salter & Aveline, 1854 † (FOSSIL)
nodosus llandoveriana, Cyrtolites nodosus llandoveriana Cowper Reed, 1921 † (FOSSIL)
obliquus, Cyrtolites obliquus Lindström, 1884 † - syn of: Temnodiscus obliquus (Lindström, 1884) † (FOSSIL)
occultus, Cyrtolites occultus Perner, 1903 † (FOSSIL)
ornatus, Cyrtolites ornatus Conrad, 1838 † (FOSSIL)
orphanus, Yochelsonellis orphanus (Perner, 1903) † (FOSSIL)
pachygaster, Cyrtolites pachygaster Koken & Perner, 1925 † - syn of: Cymbularia bullata Koken & Perner, 1925 † (FOSSIL)
parvus, Paracyrtolites parvus (Ulrich & Scofield, 1897) † (FOSSIL)
pileolus, Cyrtonella pileolus Hall, 1859 † (FOSSIL)
planicosta, Yochelsonellis planicosta (Perner, 1903) † (FOSSIL)
plasi, Sinuitopsina plasi Horný, 1997 † (FOSSIL)
platynotus, Sinuitopsis platynotus Perner, 1903 † - syn of: Sinuitopsis neglecta transgrediens Perner, 1903 † (FOSSIL)
rapax, Quasisinuites rapax Horný, 1997 † (FOSSIL)
reclinatum, Cyrtolites reclinatum Trueman & Williams † (FOSSIL)
retrorsus, Cyrtolites retrorsus Ulrich & Scofield, 1897 † (FOSSIL)
rugosus, Cyrtolites rugosus Perner, 1903 † (FOSSIL)
seminulum, Cyrtolites seminulum Perner, 1903 † (FOSSIL)
serpentinum, Cyrtolites serpentinum Trueman & Williams † (FOSSIL)
sinuosus, Cyrtolites sinuosus Hall, 1879 † (FOSSIL)
somerseti, Kolihadiscus somerseti (Williams & Breger, 1916) † (FOSSIL)
subplanus, Paracyrtolites subplanus (Ulrich & Scofield, 1897) † (FOSSIL)
subquadrata, Sinuitopsis subquadrata Pitcher, 1939 † (FOSSIL)
subtrilobatus, Sinuitopsis subtrilobatus Perner, 1903 † (FOSSIL)
tenuis, Kolihadiscus tureki tenuis Frýda (FOSSIL)
thraivensis, Cyrtolites thraivensis Cowper Reed, 1921 † (FOSSIL)
transgrediens, Sinuitopsis neglecta transgrediens Perner (FOSSIL)
transgrediens, Sinuitopsis transgrediens Perner, 1903 † - syn of: Sinuitopsis neglecta transgrediens Perner, 1903 † (FOSSIL)
trentonensis, Cyrtolites trentonensis Conrad, 1842 † (FOSSIL)
tuboides, Cyrtolites tuboides Perner, 1903 † (FOSSIL)
tureki, Kolihadiscus tureki Horný, 1992 † (FOSSIL)
tureki tenuis, Kolihadiscus tureki tenuis Frýda, 1999 † (FOSSIL)
undulatus, Cyrtolites undulatus Perner, 1903 † (FOSSIL)
vetulum, Cyrtonellopsis vetulum (Sardeson, 1896) † (FOSSIL)
wykoffensis, Cyrtolites wykoffensis Ulrich & Scofield, 1897 † - syn of: Cyrtospira wykoffensis (Ulrich & Scofield, 1897) † (FOSSIL)
youngi, Cyrtolites youngi Foerste, 1889 † - syn of: Zonidiscus youngi (Foerste, 1889) † (FOSSIL)
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