Contribucion al conocimiento sobre algunos Ammonites del Peru /

Late Bajocian ammonites from southern Alaska /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1982)

Early Jurassic ammonites from Alaska /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1981)

Campanian and Maastrichtian ammonites from Northern Aquitaine, France /
by: Kennedy, W. J. (William James), 1943-
Published: (1986)

Middle Jurassic (Bathonian) ammonites from southern Alaska /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1980)

Early and middle Bajocian (middle Jurassic) ammonites from southern Alaska /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1985)

Some Jurassic ammonites from central Saudi Arabia /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1970)

Jurassic (Bathonian and Callovian) ammonites in eastern Oregon and western Idaho /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1980)

Type Ammonites /
by: Buckman, S. S. (Sydney Savory), 1860-1929
Published: (1909)

Early Triassic (Smithian) ammonites of paleoequatorial affinity from the Chulitna terrane, south-central Alaska /
by: Nichols, K. M. (Kathryn Marion), 1946-
Published: (1979)

Ammonites /
by: Thomel, Gérard
Published: (1980)

Jurassic (Oxfordian and Late Callovian) ammonites from the western interior region of the United States /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1982)

The ammonites : their life and their world /
by: Lehmann, Ulrich, 1916-
Published: (1981)

Type Ammonites /
by: Buckman, S. S. (Sydney Savory), 1860-1929
Published: (1972)

Texas Cretaceous ammonites and nautiloids /
Published: (1994)

Middle Jurassic (Bajocian) ammonites from eastern Oregon /
by: Imlay, Ralph W. (Ralph Willard), 1908-1989
Published: (1973)

New and little-known ammonites from the Upper Cretaceous (Cenomanian and Turonian) of the western interior of the United States /
by: Cobban, William A., 1916-2015
Published: (1971)

Mid-Cretaceous (Turonian) ammonite fauna from Fence Lake area of west-central New Mexico /
by: Cobban, William A., 1916-2015
Published: (1983)

Ammonites from the Navesink Formation at Atlantic Highlands, New Jersey /
by: Cobban, William A., 1916-2015
Published: (1974)

Synopsis des ammonites neocomiennes : (Infraualangien (Berriasien)--Aptien (incl.)) /
by: Simionescu, Ion
Published: (1900)

Upper Cretaceous rocks and ammonite faunas of southwestern New Mexico /
by: Cobban, William A., 1916-2015
Published: (1989)

Die degenerierten perisphinctiden des kimmeridge von Le Havre /
by: Tornquist, Alexander Johannes Heinrich, 1868-
Published: (1896)

Stratigraphy and ammonite fauna of the graneros shale and greenhorn limestone near Pueblo, Colorado /
by: Cobban, William A., 1916-2015
Published: (1972)

Ammonites and the other cephalopods of the Pierre Seaway : identification guide /
Published: (1997)

A monograph of the Ammonites of the "Inferior oolite series," : (Stages-Toarcian, pars; Aalenian; Bajocian; Bathonian, pars) /
by: Buckman, S. S. (Sydney Savory), 1860-1929

Texas Mojsisovicziinae (Ammonoidea) and the zonation of the Fredericksburg.
by: Young, Keith, 1918-2004
Published: (1966)

Heteromorph ammonoids from the Albian and Cenomanian of Texas and adjacent areas /
by: Clark, David L. (David Leigh), 1931-
Published: (1965)

Aspects of ammonite biology, biogeography, and biostratigraphy /
by: Kennedy, W. J. (William James)
Published: (1976)

Upper Mississippian ammonoids from Arkansas and Oklahoma /
by: Saunders, W. Bruce
Published: (1973)

Lower Pennsylvanian ammonoids from the Bloyd formation of Arkansas and Oklahoma /
by: McCaleb, James A.
Published: (1968)

Ammoneae Devonicae /
by: Korn, Dieter
Published: (2002)

Permian ammonoids of the Guadalupe mountain region and adjacent areas /
by: Miller, A. K. (Arthur K.), 1902-1963
Published: (1940)

Dienerian (early Triassic) ammonoids from the Northern Indian Margin /
by: Ware, David (Paleontologist)
Published: (2018)

Devonian ammonoids from the Appalachians and their bearing on international zonation and correlation /
by: House, M. R. (Michael Robert)
Published: (1978)

Triasovye ammonoidei Severo-Vostoka SSSR : paleontologicheskoe obosnovanie stratifikat︠s︡ii triasovykh otlozheniĭ Severo-Vostoka SSSR /
by: Popov, I͡U. N.
Published: (1961)

Uber den fund eines ceratites nodosus aut. in der vicentinischen trias und uber die stratigraphische bedeutung desselben /
by: Tornquist, Alexander Johannes Heinrich, 1868-
Published: (1896)

Uber die einbettung der ammoniten in die Solnhofener schichten /
by: Rothpletz, August, 1853-1918
Published: (1909)