Browsing Paläontologie, Geobiologie by Contributor "Reitner, Joachim"
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Die Embryonalentwicklung von Hibolithes (Belemnitida, Cephalopoda)
Bandel, Klaus; Engeser, Theo; Reitner, Joachim(Neues Jahrbuch für Geologie und Paläontologie, 1984)
A study of unaltered minera·l shell la yers, the reconstruction of the organic layers and a comparison with the embryonic shells of other shell-bearing cephalopods indicate that the young Hibolithes hatching from the egg ... -
Early paleozoic diversification of sponges ; new data and evidences
Sponges are primitive metazoan organisms which occur since the late Proterozoic. The oldest sponge remains (hexactinellids) are from a shallow marine carbonate facies of the late Sinian Shibantan Member (China). From the ... -
Echte Weichteilbelemniten aus dem Untertoarcium (Posidonienschiefer) Südwestdeutschlands
From the Lower Toarcian near Holzmaden (Southwest Germany) belemnites, Acrocoelites (Toarcibelus) raui und Passaloteuthis paxillosa, with softpart preservation are described. The specimens show ten arms with double ...