Results 41 to 50 of about 814 (192)
Ammonites and stratigraphy of a Lower Bajocian (Middle Jurassic) section in Sierra Chacaico (Neuquén Basin, Argentina) [PDF]
A Lower Bajocian section from southern Neuquén Basin (Argentina), with 3 faunal horizons (sphaeroceroides, submicrostoma and giebeli horizons) in the Singularis and Giebeli zones, is described.
Dietze, Volker +5 more
core +1 more source
Fig. 11. Ponticeras materni sp. nov. A. Holotype MB.C.22159 (Koch Coll.) from Oberscheld (Volpertseiche Mine). B. Paratype MB.C.22175 (Zimmermann 1936 Coll.) from Oberscheld (Prinzkessel Mine). C. Paratype MB.C.22178 (Kauth Coll.) from Dillenburg.
Korn, Dieter, Bockwinkel, Jürgen
core +1 more source
El Aaleniense en el área de Talveila (Soria). Bioestratigrafía y evolución sedimentaria
En el área de Talveila, en el tramo litológico correspondiente al intervalo de tiempo que va desde el Toarciense superior hasta el Bajociense inferior, se han distinguido una serie de secuencias sedimentarias separadas por discontinuidades más O menos ...
S. Ureta, A. Goy
doaj +1 more source
Exploring the limits of morphospace: Ontogeny and ecology of late Viséan ammonoids from the Tafilalt, Morocco [PDF]
Early late Viséan ammonoid assemblages in Morocco are composed of diverse and well-preserved specimens. The material was found in a plain in the Tafilalt (eastern Anti-Atlas).
Christian Klug +2 more
doaj +1 more source
New findings of rhyncholites in the Middle and Upper Jurassic of Crimea
Until now thefindingsof rhyncholites from the Jurassic marine sediments of Crimea were very scarce. In both the Oxfordian and Kimmeridgian of Crimea, rhyncholites were never found despite the fact that in Western and Central Europe they are very numerous
A. A. Mironenko, V. N. Komarov
doaj +1 more source
Fig. 18. Pharciceras kayseri Wedekind, 1918. A. Specimen MB.C.3630 (Ahlburg Coll.) from Oberscheld (Königszug Mine). B. Specimen MB.C.30235.1, probably from Oberscheld. C. Specimen MB.C.30235.2, probably from Oberscheld. D.
Korn, Dieter, Bockwinkel, Jürgen
core +1 more source
The pharciceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)
The ammonoids of the suborder Pharciceratina from the Red Ironstone Formation of the area around Dillenburg (eastern Rhenish Mountains) are revised, mainly based on historical collections stored in the Museum für Naturkunde, Berlin.
Dieter Korn, Jürgen Bockwinkel
doaj +1 more source
A Middle Norian (Alaunian 2) ammonoid assemblage from north of Esfahan (Central Iran) is described and chronostratigraphically evaluated. Formerly known as Distichites fauna, it represents a geographically widely distributed and stratigraphically ...
LEOPOLD KRYSTYN +3 more
doaj +1 more source
The tornoceratid ammonoids from the Roteisenstein Formation of Dillenburg (Cephalopoda, Ammonoidea)
The ammonoids of the suborder Tornoceratina from the Middle to Late Devonian Red Ironstone Formation of the area around Dillenburg (eastern Rhenish Mountains) are revised, mainly based on historical collections stored in the Museum für Naturkunde ...
Dieter Korn, Jürgen Bockwinkel
doaj +1 more source
Fig. 12. Ponticeras maternisp. nov. A. Cross section of paratype MB.C.22158, probably from Oberscheld. B. Suture line of paratype MB.C.22175 (Zimmermann 1936 Coll.) from Oberscheld (Prinzkessel Mine), at dm = 29.0 mm, ww = 7.4 mm, wh = 11.1 mm.
Korn, Dieter, Bockwinkel, Jürgen
core +1 more source

