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- Errachidia 〈Region〉 (1)
- Namib (1)
- Pertusaria (1)
- Plesiosaurier (1)
- Skelett (1)
- Staatliches Museum für Naturkunde Karlsruhe (1)
- Turonium (1)
The subcomplete skeleton of an elasmosaurid plesiosaur recently acquired by the Staatliches Museum für Naturkunde Karlsruhe (State Museum of Natural History in Karlsruhe) is described. The specimen comes from the early Turanian of the Goulmima region, Morocco, and represents one of the most complete elas- mosaurs known in the world. Owing to the present uncertainties about elasmosaurs systematics, it is referred mainly on stratigraphical grounds to a new species of the genus Libonectes. Some of the bones of the holotype (e.g. cervical vertebrae, ulna) show an unusual type of preservation that might indicate an old-age related pathology. Some aspects of elasmosaurs anatomy suggest non obligatory feeding upon sea floor invertebrates.
A new species of Pertusaria from the Namib desert is described. It is characterized by a smooth, minutely fissured brown thallus with scattered, verruciform apothecia with black ostioles, grey, K+ violet spores and the absence of lichen substances. The species is related to P. melanospora, which differs in having a yellowish thallus and in containing arthothelin and 2,4- dichloronorlichexanthone.