We describe a range of triconodont mammalian teeth from the Forest Marble (Middle Jurassic) of Kirtlington Quarry (Oxfordshire), Watton Cliff, and Swyre (both Dorset), and demonstrate the presence of a variety of morganucodontans, including Morganucodon tardus sp. n., Cherwellia leei gen. et sp. n., and Stylidens hookeri gen. et sp. n. “Amphilestidae” are represented by three species, Phascolot...

Microproblematica are microfossils whose suprageneric taxonomic status is unknown. Many microproblematica display an encrusting way of life and can therefore be included in the group of “micro-encrusters” that during the Upper Jurassic were conspicuous components of microbial carbonate crusts (e.g. LEINFELDER et al., 1993; SCHMID, 1996; DUPRAZ & STRASSER, 1999, 2002). These forms are widespread...

The discovery of the first definitively correlated earliest Jurassic (200 million years before present) tetrapod assemblage (Fundy basin, Newark Supergroup, Nova Scotia) allows reevaluation of the duration of the Triassic-Jurassic tetrapod extinction event. Present are tritheledont and mammal-like reptiles, prosauropod, theropod, and ornithischian dinosaurs, protosuchian and sphenosuchian croco...

S U M M A R Y The Upper Carboniferous-Lower Triassic Pyongan Supergroup is exposed in an E-W trending syncline comprising the Samcheok Coalfield in eastern South Korea; it borders the southern margin of a NE-SW trending (Okcheon) zone of Upper Jurassic-Lower Cretaceous deformation (Daebo Orogeny). Although a Recent field overprint widely recorded in Korean rocks is represented here, an ancient ...

Quantitative subsidence analysis of 26 wells in the Lusitanian basin provides new constraints on the western Iberian Mesozoic passive margin development. Backstripped tectonic subsidence curves show a three-fold subdivision of vertical motions from Late Triassic onward. Continental rifting was initiated during the Late Triassic and Early Jurassic. From Middle Jurassic onward a distinct differen...

Fossil chela of an erymid lobster from a single locality the upper Bajocian in Western Fore-Balkan Mts (NW Bulgaria) was studied. Two segments thoracic appendages, probably belonging to one individual, were described: 1) P1 propodus with partially preserved pollex and dactylus; 2) carpus merus attached. These elements first pair pereiopods identified as Eryma compressum (Eudes-Deslongchamps, 18...

Metriorhynchidae is an extinct group of Jurassic–Cretaceous crocodylomorphs that developed a fully pelagic lifestyle. Its Jurassic record outstanding (it includes around 40 nominal species), while the records can be restricted to Cretaceous are particularly sparse. Here we describe partial skull new species Cricosaurus, Cricosaurus puelchorum sp. nov., from lower Berriasian Vaca Muerta Formatio...

Different interpretations on the timing of early diversification and radiation of modern sharks and batoids (Neoselachii) in the Earth's history exist and are related to discrepancies in taxonomic and phylogenetic interpretations favouring a Late Triassic or earliest Jurassic diversification and subsequent radiation event, respectively. Sampling standardization based on pooled taxonomic occurre...

Our own research data as well numerous publications of recent years on modern problems oil potential in the West Siberian and gas province were used this study. Based Palyanovskaya, Talinskaya adjacent areas Krasnoleninsky arch, issues deposits structure confinement to certain regional levels section, unconventional reservoirs formation zones tectonic deformations hydrothermal-metasomatic chang...

A new specimen of the species Litholingia rhora Ren, 2002, from Middle-Upper Jurassic deposit Daohugou, is used to redescribe and precise its diagnosis. We also propose a series wing venation drawings highlighting main characteristics all species. Finally, we summarize current diversity lacewing family Grammolingiidae.