Eosyngastrioceras
inexpectans
Titus, 2000 †
(FOSSIL)

Fayettevillea
orientalis
Ruzhentsev & Bogoslovskaya, 1971 †
(FOSSIL)

Fayettevillea
planorbis
W.J. Gordon, 1960 †
(FOSSIL)

Fayettevillea
prior
Kullmann, 1962 †
(FOSSIL)

Fayettevillea
densistriata
Kuzina & Yatskov, 1990 †
(FOSSIL)

Fayettevillea
minuscula
Kuzina & Yatskov, 1990 †
(FOSSIL)

Glaphyrites
angulatus
(Girty, 1911 †)
(FOSSIL)

Glaphyrites
anguloumbilicatus
Plummer & P.H. Scott, 1937 †
(FOSSIL)

Glaphyrites
angustilobatus
Ruzhentsev, 1951 †
(FOSSIL)

Glaphyrites
bakeri
(Miller, 1932 †)
(FOSSIL)

Glaphyrites
darwenensis
Moore, 1945 †
(FOSSIL)

Glaphyrites
deciensis
(Plummer & P.H. Scott, 1937 †)
(FOSSIL)

Glaphyrites
depressus
W.J. Gordon, 1964 †
(FOSSIL)

Glaphyrites
drakei
(Miller, 1932 †)
(FOSSIL)

Glaphyrites
embolicus
Ruzhentsev & Bogoslovskaya, 1971 †
(FOSSIL)

Glaphyrites
europaeus
Kullmann, 1962 †
(FOSSIL)

Glaphyrites
excelsus
(F.B. Meek, 1876 †)
(FOSSIL)

Glaphyrites
fayettevillae
(W.J. Gordon, 1964 †)
(FOSSIL)

Glaphyrites
fornicatus
Ruzhencev & Bogoslovskaya, 1978 †
(FOSSIL)

Glaphyrites
holmesi
(Bisat, 1932 †)
(FOSSIL)

Glaphyrites
hyattianus
(Girty, 1911 †)
(FOSSIL)

Glaphyrites
inyoensis
W.J. Gordon, 1964 †
(FOSSIL)

Glaphyrites
kansasensis
(Miller & Gurley, 1896 †)
(FOSSIL)

Glaphyrites
kettlesingensis
(Bisat, 1932 †)
(FOSSIL)

Glaphyrites
latus
Ruzhentsev & Bogoslovskaya, 1971 †
(FOSSIL)

Glaphyrites
lineatus
Ruzhentsev, 1950 †
(FOSSIL)

Glaphyrites
millsi
(Miller & Cline, 1934 †)
(FOSSIL)

Glaphyrites
modestus
(Böse, 1919 †)
(FOSSIL)

Glaphyrites
moorei
Miller & Owen, 1939 †
(FOSSIL)

Glaphyrites
morrowensis
Miller & Moore, 1938 †
(FOSSIL)

Glaphyrites
multicavus
Ruzhentsev, 1950 †
(FOSSIL)

Glaphyrites
nevadensis
Miller & Furnish, 1940 †
(FOSSIL)

Glaphyrites
nolinensis
(Cox, 1857 †)
(FOSSIL)

Glaphyrites
oklahomensis
Elias, 1952 †
(FOSSIL)

Glaphyrites
pararhymnus
Ruzhentsev, 1950 †
(FOSSIL)

Glaphyrites
pericycloides
Kullmann, 1962 †
(FOSSIL)

Glaphyrites
postremus
Ruzhentsev, 1978 †
(FOSSIL)

Glaphyrites
postsolidus
Ruzhencev & Bogoslovskaya, 1978 †
(FOSSIL)

Glaphyrites
rarus
Maximova, 1948 †
(FOSSIL)

Glaphyrites
raymondi
Plummer & P.H. Scott, 1937 †
(FOSSIL)

Glaphyrites
rhymnus
Ruzhentsev, 1950 †
(FOSSIL)

Glaphyrites
roemeri
(A. Schmidt, 1929 †)
(FOSSIL)

Glaphyrites
ruzencevi
(Miller & Furnish, 1940 †)
(FOSSIL)

Glaphyrites
saharensis
Termier & Termier, 1952 †
(FOSSIL)

Glaphyrites
sakmarensis
Ruzhentsev, 1950 †
(FOSSIL)

Glaphyrites
solidus
Ruzhentsev & Bogoslovskaya, 1971 †
(FOSSIL)

Glaphyrites
stenomphalus
Delepine, 1941 †
(FOSSIL)

Glaphyrites
striatus
Ruzhentsev, 1950 †
(FOSSIL)

Glaphyrites
subangulatus
Kullmann, 1962 †
(FOSSIL)

Glaphyrites
subcavus
(Miller & Gurley, 1896 †)
(FOSSIL)

Glaphyrites
submodestus
Ruzhentsev, 1950 †
(FOSSIL)

Glaphyrites
subplicatus
(Bisat, 1932 †)
(FOSSIL)

Glaphyrites
subtilicostatus
(Bose, 1920 †)
(FOSSIL)

Glaphyrites
sultanaevi
Ruzhencev & Bogoslovskaya, 1978 †
(FOSSIL)

Glaphyrites
uralensis
Ruzhentsev & Bogoslovskaya, 1971 †
(FOSSIL)

Glaphyrites
warei
(Miller & Owen, 1937 †)
(FOSSIL)

Glaphyrites
welleri
(Smith, 1903 †)
(FOSSIL)

Glaphyrites
wilsoni
Miller, 1949 †
(FOSSIL)

Glaphyrites
millardensis
Titus, 2000 †
(FOSSIL)

Glaphyrites
micromphalus
Wagner-Gentis, 1971 †
(FOSSIL)

Glaphyrites
globosum
Ruzhencev 1936 †
(FOSSIL)

Paracravenoceras
ozarkense
W.J. Gordon, 1960 †
(FOSSIL)

Richardsonites
richardsonianus
(Girty, 1909 †)
(FOSSIL)

Syngastrioceras
cadiconiforme
Wagner-Gentis, 1963 †
(FOSSIL)

Syngastrioceras
clinei
(Miller & Owen, 1937 †)
(FOSSIL)

Syngastrioceras
constrictum
Nassichuk, 1975 †
(FOSSIL)

Syngastrioceras
dronovi
Ruzhencev & Bogoslovskaya, 1978 †
(FOSSIL)

Syngastrioceras
glaphyritoides
Ruzhencev & Bogoslovskaya, 1978 †
(FOSSIL)

Syngastrioceras
globosum
Easton, 1943 †
(FOSSIL)

Syngastrioceras
globulosum
(F.B. Meek & A.H. Worthen, 1860 †)
(FOSSIL)

Syngastrioceras
laxumbilicale
Ruzhentsev & Bogoslovskaya, 1971 †
(FOSSIL)

Syngastrioceras
oblatum
Miller & Moore, 1938 †
(FOSSIL)

Syngastrioceras
orientale
(Yin, 1935 †)
(FOSSIL)

Syngastrioceras
parasupinum
Ruzhencev & Bogoslovskaya, 1978 †
(FOSSIL)

Syngastrioceras
pseudomalhamense
Kullmann, 1962 †
(FOSSIL)

Syngastrioceras
scotti
(Miller & Youngquist, 1948 †)
(FOSSIL)

Syngastrioceras
sholakensis
Ruzhentsev & Bogoslovskaya, 1971 †
(FOSSIL)

Syngastrioceras
suborientale
(Yin, 1935 †)
(FOSSIL)

Syngastrioceras
supinum
Ruzhencev & Bogoslovskaya, 1978 †
(FOSSIL)

Syngastrioceras
ukrainicus
Librovitch, 1939 †
(FOSSIL)

Syngastrioceras
arcticum
Nassichuk 1975 †
(FOSSIL)

Syngastrioceras
kueichowensis
(Yin, 1935 †)
(FOSSIL)

Syngastrioceras
websteri
Titus, 2000 †
(FOSSIL)

Zephyroceras
kiaense
Ruzhentsev & Bogoslovskaya, 1971 †
(FOSSIL)

Zephyroceras
promodestum
Kullmann, 1962 †
(FOSSIL)

Zephyroceras
rauserae
Kullmann, 1962 †
(FOSSIL)

Zephyroceras
friscoense
(Miller & Owen, 1944 †)
(FOSSIL)