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Ordovician sponges (Porifera) and other silicifications from Baltica in Neogene and Pleistocene fluvial deposits of the Netherlands and northern Germany
Baltica Eridanos River erratics Ordovician Porifera silicifications
2009/10/21
Fluvial deposits of Miocene to Early Pleistocene age in Germany and the Netherlands were laid down in the delta of the Eridanos River System, but the exact provenance of this material continues to be ...
Distribution of the order Proetida (Trilobita) in Baltoscandian Ordovician strata
Ordovician Baltoscandia geschiebe Trilobita Proetida distribution
2009/10/21
The trilobite order Proetida forms a minor but important faunal element within the Ordovician strata of Baltoscandia.This review follows the current systematic, taxonomic, and stratigraphical usage an...
Advances in the Ordovician graptolite biostratigraphy of the St Petersburg area,Russia
Ordovician graptolites biostratigraphy St Petersburg area
2009/10/21
The Ordovician shallow-water shelf deposits rich in benthic fauna are exposed along the Russian part of the Baltic– Ladoga Klint. Graptolites occur only at some stratigraphic levels, being compar...
The ultrastructure of calcareous cirratulid (Polychaeta,Annelida) tubes
Cirratulidae ultrastructure biomineralization Oligocene Recent
2009/10/21
The entire tube wall of Dodecaceria caulleryi and D. coralii is composed of thin calcareous lamellae with a spherulitic prismatic ultrastructure. In Diplochaetetes mexicanus the tube ultrastructure is...
The worm endosymbionts in tabulate corals from the Silurian of Podolia,Ukraine
tabulate corals Chaetosalpinx endosymbiosis Silurian Podolia
2009/10/21
Two endosymbionts, Chaetosalpinx sibiriensis and Coralloconchus bragensis, occur in Silurian tabulate corals of Podolia. The endosymbiotic worms responsible for C. sibiriensis bioclaustrations in tabu...
Paleoecology of the Permian (Wolfcampian) Phylloid Alga Calcipatera from an In Situ Occurrence in Kansas,U.S.A.
Paleoecology Permian Phylloid Alga Calcipatera
2009/10/20
In situ occurrences of the calcareous marine phylloid alga Calcipatera cottonwoodensis in the Permian Cottonwood Limestone Member (Beattie Limestone) occur in Greenwood County, Kansas, in association ...
Eco-taphonomy of mass-aggregated giant balanids Concavus (Concavus) concavus (DARWIN, 1854) from the Lower Pliocene (Zanclean) of Rafina near Pikermi (Attica,Greece)
Eco-taphonomy Cirripedes Balanids Concavus Pliocene (Zanclean)
2009/10/20
The large- to giant-sized balanids, mass-aggregated in a tempestite of the Lower Pliocene (Zanclean) section at Rafina near Pikermi,Greece, represent a single species, Concavus (Concavus) concavus (DA...
Shell colour pattern in two fossil helicid snails,Tropidomphalus incrassatus (KLEIN, 1853) and Cepaea sylvestrina gottschicki WENZ,1919,from the Middle Miocene of Poland
Shell pattern UV-light Helicidae Tropidomphalus Cepaea Miocene Poland
2009/10/20
Two fossil helicid snails, Tropidomphalus incrassatus (KLEIN, 1853) and Cepaea sylvestrina gottschicki WENZ,1919, from the “detrital Sarmatian” (Middle Miocene) of the northernmost part of the Fore-Ca...
Contribution of Eocene sharks and rays from southern France to the history of deep-sea selachians
SW France Eocene Deep-sea selachians Fossil record
2009/10/20
Fossil deep-sea selachians are rare and their diversity underestimated as a consequence of the scarcity of available outcrops of sediments containing them. Here we report a new fossil locality from th...
When the "primitive" shark Tribodus(Hybodontiformes) meets the "modern" ray Pseudohypolophus (Rajiformes): the unique co-occurrence of these two durophagous Cretaceous selachians in Charentes(SWFrance)
Hybodontiformes Tribodus Rajiformes Pseudohypolophus Palaeoecology Palaeobiogeography
2009/10/20
The palaeoecology and palaeobiogeography of two Cretaceous selachian genera, Tribodus BRITO & FERREIRA,1989 and Pseudohypolophus CAPPETTA & CASE, 1975, are briefly discussed. These two similar-sized t...
A revision of the chimaeroid fishes (Holocephali,Chimaeroidei) from the British Cretaceous
Holocephali Chimaeroidei Cretaceous British collections Revision
2009/10/20
The preliminary results of a revision of the British Cretaceous chimaeroid fishes (Holocephali, Chimaeroidei) based on a study of museum collections are presented. The taxonomic composition (2 familie...
Anew species of extinct bullhead sharks,Paracestracion viohli sp. nov.(Neoselachii, Heterodontiformes),from the Upper Jurassic of South Germany
Heterodontidae Late Jurassic Schamhaupten Diversity
2009/10/20
The early history of heterodontid sharks is documented mainly by isolated teeth. So far, three different heterodontid genera have been recorded from the Jurassic: Proheterodontus from theMiddle Jurass...
The Late Jurassic neoselachian Macrourogaleus FOWLER,1947 is a palaeospinacid shark(Elasmobranchii;Synechodontiformes)
Neoselachii Palaeospinacidae Macrourogaleus Late Jurassic
2009/10/20
The taxonomy of palaeospinacid sharks (Chondrichthyes, Neoselachii) is reviewed. New skeletal material from the famous Late Jurassic lithographic limestones of southern Germany (Solnhofen area and Nus...
Jaws and dentition in an Early Triassic,3-dimensionally preserved eugeneodontid skull(Chondrichthyes)
Neutron scan Oral dentition Skull Jaws Eugeneodontid Early Triassic
2009/10/20
Neutron scans of a concretion with a 3-dimensionally preserved partial skull from the Lower Triassic Vega Phroso Siltstone Member of the Sulphur Mountain Formation (western Canada), previously assigne...
Interrelationships of Mesozoic hybodont sharks as indicated by dental morphology preliminary results
Hybodont sharks Tooth morphology Dentition Mesozoic Phylogeny
2009/10/20
As many hybodont sharks are known solely from their teeth, this investigation approaches the phylogeny of the group with an emphasis on tooth morphology and dentitional patterns. The preliminary resul...