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Long bone histology indicates sympatric species of Dimetrodon (Lower Permian, Sphenacodontidae)
ABSTRACT The Briar Creek Bonebed (Artinskian, Nocona Formation) in Archer County is one of the richest sources of Dimetrodon bones in the Lower Permian of Texas, USA. Based on size, a small (D.Expand
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Postcranial morphology of a basal Pistosauroidea (Sauropterygia) from the Lower Muschelkalk of Winterswijk, The Netherlands
Two partial postcranial skeletons from the Lower Muschelkalk (early Anisian) of Winterswijk, The Netherlands, are described in detail. The specimens were assigned to basal Pistosauroidea, presumablyExpand
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A new species of Saurichthys (Actinopterygii: Saurichthyidae) from the Middle Triassic of Winterswijk, The Netherlands
The Lower Muschelkalk Vossenveld Formation has yielded a diverse and abundant vertebrate fauna. In this contribution, we describe a small saurichthyid fish, Saurichthys dianneae sp. nov., from theExpand
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Probable remains of jellyfish (Cnidaria, Scyphozoa) from the lower Middle Triassic (Anisian) of Winterswijk, eastern Netherlands
Abstract During recent years, regular round structures have been collected from the top of Bed 12 of the Vossenveld Formation (Lower Muschelkalk, lower Middle Triassic, Anisian) in the WinterswijkExpand
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New fossil insects from the Anisian (Lower to Middle Muschelkalk) from the Central European Basin (Germany and The Netherlands)
The Palaeozoic–Mesozoic transition is characterized not only by the most massive Phanerozoic mass extinction at the end of the Permian period, but also its extensive aftermath and a prolonged periodExpand
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Geo (Im) pulse A subrosion pipe fill in the Lower Muschelkalk, Winterswijk Quarry, Eastern Netherlands
Abstract In the ‘Winterswijksche Steen- en Kalkgroeve’, situated in the eastern Netherlands, Lower Muschelkalk limestones are quarried. A ca. 30 m wide area in the quarry face showing fragmented rockExpand
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A tetrapod swimming traceway from the Triassic of Winterswijk, the Netherlands
Abstract We describe a tetrapod swimming traceway from the Middle Triassic Vossenveld Formation of the Netherlands. Forty-five individual traces, each consisting of two parallel claw drag marks, wereExpand
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Triassic Isopoda – three new species from Central Europe shed light on the early diversity of the group
Despite its vernacular names (e.g. ‘woodlice’) Isopoda is a group with mostly aquatic species, with most species living in marine environments. The fossil record for isopods compared to other groupsExpand
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Effects of using preheated pellets in corotating twin-screw extruders
Experiments with a corotating twin-screw extruder show that a considerable throughput increase can be achieved by feeding the extruder with preheated pellets. The use of preheated pellets is alsoExpand
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The effect of using preheated pellets in co-rotating twin-screw extruders
Experiments with a co-rotating twin-screw extruder show that a considerable throughput increase can be achieved by feeding the extruder with preheated pellets. The use of preheated pellets is alsoExpand