Alpinites and other Posttornoceratidae (Goniatitida, Famennian) [PDF]
The rediscovery of the supposedly lost type allows a revision of Alpinites Bogoslovskiy, 1971, the most advanced genus of the Posttornoceratidae. The type-species, Alp. kayseri Schindewolf, 1923, is so far only known from the Carnic Alps. Alp.
R. T. Becker
doaj +3 more sources
Ontogenetic development of the European basal aquatic turtle Pleurosternon bullockii (Paracryptodira, Pleurosternidae) [PDF]
Several British specimens of relatively complete and partial shells of small pleurosternid turtles, found in the Purbeck Limestone Group (Berriasian, Lower Cretaceous), are analysed in detail here.
A. Guerrero, A. Pérez-García
doaj +1 more source
Life history of Tendaguru sauropods as inferred from long bone histology [PDF]
Sauropod dinosaurs present exceptional challenges in understanding their biology because of their exceptional body size. One of these, life history, can be inferred from the histology of their bones.
P. M. Sander
doaj +3 more sources
Selachians and actinopterygians from the Upper Jurassic of Tendaguru, Tanzania [PDF]
The first Late Jurassic selachian and actinopterygian fishes of Tendaguru in Tanzania were collected by the German-Tendaguru expedition in 1909–1913. They are represented mainly by occasional teeth of a neoselachian (Sphenodus) and several specimens of a
G. Arratia, J. Kriwet, W.-D. Heinrich
doaj +3 more sources
First record of Ephemeropsis, Coptoclava, Coleoptera inc. sed. and Turfanograpta from Lower Cretaceous paper-shales of the western-most site of Mongolia [PDF]
Nymph-fragments (and detached cerci) of the may-fly Ephemeropsis trisetalis Eichwald and the water-beetle Coptoclava longipoda Ping, a coleopteran and a shell-fragment of the conchostracan Turfanograpta sp.
H. Jähnichen, E. Kahlert
doaj +3 more sources
Neue Pflanzenfunde aus dem Tertiär der Rhön. – Teil 1: Miozäne Fundstellen [PDF]
Aus dem Tertiär der Rhön werden 47 Pflanzenarten aus 32 Familien nach Früchten und Samen beschrieben. Sie entstammen den braunkohlenführenden Kaltennordheimer Schichten vom Bauersberg bei Bischofsheim, Hochrain bei Gerstengrund und Kaltennordheim.
S. F. Gümbel, D. H. Mai
doaj +3 more sources
Die Beziehungen zwischen E. F. v. Schlotheim und D. L. G. Karsten (nach den Briefen von Karsten an Schlotheim) [PDF]
Ein anonymes Angebot zum Mineraltausch von 1790 und anschließende, bisher unbekannte Briefe leiteten die Beziehungen von D. L. G. Karsten zu E. F. v. Schlotheim ein.
G. Hoppe
doaj +3 more sources
A new Late Jurassic halecomorph fish from the marine Vaca Muerta Formation, Argentina, southwestern Gondwana [PDF]
The knowledge of Mesozoic fish faunas of the Southern Hemisphere is still inadequate; the diversity and evolution of the Late Jurassic marine ichthyofaunas of Argentina remain unclear.
S. Gouiric-Cavalli, S. Gouiric-Cavalli
doaj +1 more source
Zur Geschichte der Geowissenschaften im Museum für Naturkunde zu Berlin Teil 1: Aus der Vorgeschichte bis zur Gründung der Berliner Bergakademie im Jahre 1770 [PDF]
Die Geschichte der beiden Institute für Mineralogie und für Paläontologie des Berliner Museums für Naturkunde mit ihren sehr großen Sammlungen beginnt mit ihrer direkten Vorgängerin, der Berliner Bergakademie, die 1770 gegründet worden ist.
G. Hoppe
doaj +1 more source
Mosasaurs, Limpets or Diagenesis: How Placenticeras Shells Got Punctured [PDF]
Claimed mosasaur bites in Upper Cretaceous Placenticeras shells from the Western United States are reinterpreted as limpetmade pits that became punctured by compactional pressure and beveled during diagenesis.
A. Seilacher
doaj +1 more source

