One group, the multituberculates, were highly successful gnawing herbivores, and they outlasted the Mesozoic, surviving until the Oligocene. |
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These creatures were direct descendants of the great dinosaurs of the long past Mesozoic Aeon. |
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The region east of the gravity lineament has witnessed intensive magmatism and basin development since Mesozoic time. |
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The Mesozoic era lasted from about 251 to 66 million years ago and includes the Triassic, Jurassic, and Cretaceous periods. |
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A variety of Mesozoic and Cenozoic conifers, including Pagiophyllum, Sequoia, and Metasequoia are available for you to study. |
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The offshore stratigraphy contains several westward-prograding units of Cenozoic age that drape across the buried Mesozoic rift shoulder faults. |
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This requires the removal of 80-100 km of Archaean lithosphere since Mesozoic time. |
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A similar inter-relationship between strikeslip faulting and plutonism was suggested for the Mesozoic batholith of California. |
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The date assigned to the strata was, of course, Mesozoic, namely Cretaceous. |
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Thus with the water drained from the land, the subsequent volcanic activity in the Mesozoic and Cainozoic would be sub-aerial. |
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These are accompanied by much smaller sets of petrographic thin sections from Mesozoic and Cenozoic carbonate strata. |
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In later Palaeozoic, Mesozoic, and Cenozoic sequences they can be extremely abundant. |
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We believe that many Mesozoic and Cenozoic obducted ophiolite belts of SE Asia are fragments of fore-arc or back-arc lithosphere. |
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Fossiliferous, shallow-marine, Mesozoic and Cenozoic deposits are abundant in Japan. |
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In contrast to the Mesozoic examples, Cenozoic fossil beds usually contain common to abundant shell fragments. |
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Changes in Mesozoic and Cenozoic thicknesses and facies across the northsouth faults indicate their pre-collisional origins. |
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Mafic dike suites within Mesozoic igneous provinces of New England and Atlantic Canada. |
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The record of Mesozoic metatherians remains negligible or non-existent for southern landmasses, though the Tertiary record has greatly improved. |
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Keith Young published over 100 papers and contributed to numerous symposia and field guides dealing with Mesozoic biostratigraphy. |
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The adaptations of gastropods for drilling molluscan prey also increased during the Mesozoic and Cenozoic. |
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In the Mesozoic top predators included the biggest theropod dinosaurs on land, and pliosaurs and mosasaurs in the seas. |
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These data indicate that euxinic conditions were common in the water column during Mesozoic oceanic anoxic events. |
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The restriction of dense ophiuroid populations in coastal waters during the Mesozoic is an aspect of the onshore-offshore trend. |
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The strongly developed stratification of many of the Mesozoic and Cenozoic rocks is clearly shown. |
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The study area contains two regions with different Mesozoic stratigraphic successions and structures of different dimensions. |
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But unless you have already mastered vertebrate anatomy, Mesozoic stratigraphy, and phylogenetic analysis, it's probably not the place to begin. |
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For details of reflection characteristics, especially in the Mesozoic stratigraphy, the reader is referred to the literature cited above. |
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All the wells penetrate Mesozoic strata, and 40 wells penetrate Palaeozoic strata. |
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All of the known Mesozoic centipedes, including C. oberlii, are morphologically indistinguishable from extant centipedes. |
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Ancyloceratina, which contains all other Mesozoic heteromorphs, evolved from Perisphictidae during the Tithonian. |
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In western Thailand and eastern Myanmar, Mesozoic rocks are scattered and discontinuous, and outcrops of Palaeogene rocks are very rare. |
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Deposits of their skeletons produced much of the Mesozoic chalk and limestone. |
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The coccolithophorids range in age from Triassic to Recent, and form a major constituent of Mesozoic and Tertiary chalks. |
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The Plesiosauria were an important order of Mesozoic marine reptiles, members of the superorder Sauropterygia. |
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In addition to the dominant Precambrian and Paleozoic rocks, there are small deposits of Mesozoic rocks on the island as well. |
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To the west of Siberia is the very large early Mesozoic and later Western Siberian Basin, which covers the Palaeozoic rocks and their sutures. |
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Pre-Aptian structure reflects both Palaeozoic rifting and Mesozoic modification. |
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However, Mesozoic examples of insect wood boring occur in petrifactions, many of which were deposited in drier, more riparian habitats. |
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We interpret this pattern as a Mesozoic normal fault zone whose inversion gave rise, along strike to the NW, to the south Cameros thrust. |
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The Mesozoic layers, probably SW-tilted after the Mesozoic extension, were also folded. |
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The Mesozoic rocks crop out only in the Zhaigang and Zhainan areas in the southeastern part of the county. |
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The early Mesozoic was dominated by ferns, cycads, ginkgophytes, bennettitaleans, and other unusual plants. |
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The geology of the Karaburun Peninsula suggests that the nappes may have been thrust from north of the Mesozoic Karaburun carbonate platform. |
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Subsequently, between the Late Proterozoic and the Mesozoic, the rocks throughout the region suffered periodic episodes of deformation. |
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A pterosaur is a flying reptile from the Mesozoic period, the time of the dinosaurs. |
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To date, the only described mantle xenoliths from NW Namibia occur in an alnoite diatreme emplaced in the Mesozoic Okenyenya alkaline complex. |
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The dinosaurs of the Mesozoic era in a sense presaged the birds and mammals of the Cenozoic era. |
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These great birds were the last successors of the mighty theropod dinosaurs of the Mesozoic. |
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It includes the Palaeocene, Eocene, and Oligocene epochs, spanning the time from the end of the Mesozoic to the beginning of the Neogene. |
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Such phenomena are unusual, if not unique, in the extra-Alpine Mesozoic epicontinental seas, and calls for a rather special explanation. |
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The rising seas and humid, equable conditions of the Mesozoic strongly reduced the availability of marine iron. |
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There are two main groups of fossil stromatoporoids that lived in different eras, the Paleozoic and the Mesozoic. |
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The range was formed in the extensional environment associated with the Mesozoic and Cenozoic breakup of Gondwanaland. |
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In the Mesozoic section, a Triassic basin, up to 1800 m thick and roughly circular in map view, is centred SW of the present uplifted Bishri block. |
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The ore is associated with plagiogranite porphyry of Mesozoic age. |
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In general these rift basins are poorly exposed and form low-relief areas surrounded by rugged hills composed predominantly of Precambrian to Mesozoic rocks. |
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The provenance for the detrital material in the general region was to the east, in the continental arc, where magmatic and deformed lower Mesozoic rocks were exposed. |
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Haramiyids were originally considered ancestral to the multituberculates, an important group of rodent-like mammals of the Mesozoic and early Tertiary. |
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The tectonic superimpositions of Cretaceous back reef carbonate deposits on older Mesozoic back reef carbonate rock are visible from Monte Faito to Agerola. |
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Now we left Mankind behind and raced back to a time when the earth cracked open and molten lava welled out, at the end of the distant Mesozoic Age. |
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All of these Palaeozoic and early Mesozoic amphibians are called labyrinthodonts and lepospondyls, based on features of their teeth and vertebrae. |
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Thus uplift and exhumation of metamorphic basement rocks and ductile thrust fabrics in Karlik Tagh are a combination of Mesozoic and Cenozoic thrusting and erosion. |
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Most deposits are of Mesozoic or Cenozoic age, but some Palaeozoic examples are known, such as those in the Appalachian orogen of Canada and the United States. |
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Minimally, this specimen proves that the most featherlike structures in a non-avian Mesozoic vertebrate are found in a late Triassic basal archosaur, a thecodont. |
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The resulting hogbacks, composed of Mesozoic sediments, can readily be seen dipping away from the mountains by those approaching the beautiful isolated peaks. |
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The pre-Andean and Andean orogenies are separated by a Mesozoic transitional period, which is marked by a very different style of tectonism and magmatism. |
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Such giant cephalopods play or played a similar ecological role of top predator to that of Devonian arthrodire placoderms, Mesozoic pliosaurs and Cenozoic toothed whales. |
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Unlike the fusulinides, lagenides survived both the end-Guadalupian and end-Permian mass extinctions to become dominant elements of the Mesozoic calcareous benthic microfauna. |
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The Paleozoic comes after the Neoproterozoic era of the Proterozoic and is followed by the Mesozoic. |
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Both the Alps and the Apennines contain primarily sedimentary rock resulting from sedimentation of the ancient Tethys Sea in the Mesozoic. |
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Common in some Paleozoic and Mesozoic strata, black shales were deposited in anoxic, reducing environments, such as in stagnant water columns. |
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Its geological history belongs to Mesozoic era and the main soil type is Lithosol and Rendzina. |
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The Salamat and Doseo Basins formed during the break-up of the super continent of Gondwana in the Mesozoic Era. |
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The ecology of Mesozoic Gryphaea, Exogyra, and Ilymatogyra in a modern ocean. |
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For the early Mesozoic of South American, sphenodontian opisthodontians are known from northern Argentina and clevosaurs from south Brazil. |
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Several genera of crocodiles, gavialids, and turtles evolved from Mesozoic stock. |
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Coal mining takes place in the three mountainous regions at 45 distinct coal beds near Mesozoic basins. |
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The effects of this catastrophe were so devastating that it took life on land 30 million years into the Mesozoic Era to recover. |
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Plains make up much of the eastern portion of the West, underlain with sedimentary rock from the Upper Paleozoic, Mesozoic, and Cenozoic eras. |
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The Mesozoic and Cenozoic deposits have revealed a most interesting vertebrate fauna. |
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The Paleozoic comes after the Neoproterozoic Era of the Proterozoic Eon and is followed by the Mesozoic Era. |
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The Parareptilia and synapsid amniotes were common during the late Paleozoic, while diapsids became dominant during the Mesozoic. |
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Reproductive features of modern conifers had evolved by the end of the Mesozoic era. |
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Other classes and orders, now long extinct, also occur as fossils, particularly from the late Paleozoic and Mesozoic eras. |
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With their immediate ancestors, dinosaurs were the only terrestrial nonplantigrades during the Mesozoic. |
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At the beginning of the Mesozoic Era, Africa was joined with Earth's other continents in Pangaea. |
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Surviving plants that went on to dominate the Mesozoic world included modern conifers and cycadeoids. |
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A new ocean was growing on its southern end, the Tethys Ocean, an ocean that would dominate much of the Mesozoic era. |
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The Jurassic constituted the middle period of the Mesozoic Era, also known as the Age of Reptiles. |
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In contrast, the North American Jurassic record is the poorest of the Mesozoic, with few outcrops at the surface. |
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The extinct Mesozoic conifer family Cheirolepidiaceae dominated low latitude vegetation, as did the shrubby Bennettitales. |
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The high sea level in the Mesozoic era flooded most of these continental domains, forming shallow seas. |
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Le Havre belongs to the Paris Basin which was formed in the Mesozoic period. |
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The Wealden dome is a Mesozoic structure lying on a Palaeozoic foundation, which can often create the right conditions for coal formation. |
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The Antarctic Peninsula was formed by uplift and metamorphism of sea bed sediments during the late Paleozoic and the early Mesozoic eras. |
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Dinosaurs were the dominant terrestrial vertebrates of the Mesozoic, especially the Jurassic and Cretaceous periods. |
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The mode of Mesozoic dinosaur body masses is between one and ten metric tonnes. |
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This coast documents the entire Mesozoic era, from Triassic to Cretaceous and is noted for its geological landforms. |
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The majority of the mammal species that existed in the Mesozoic Era were multituberculates, eutriconodonts and spalacotheriids. |
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The Adriatic Sea sits on the Apulian or Adriatic Microplate, which separated from the African Plate in the Mesozoic era. |
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To the east and west of the peninsula ridge lie the Carpentaria and Laura Basins, themselves made up of ancient Mesozoic sediments. |
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East and south of the Urals much of the orogen is buried beneath later Mesozoic and Cenozoic sediments. |
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While many fossil psychopsids were recorded from the Mesozoic, few representatives have been described from the Tertiary. |
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As will be repeatedly seen in many Neuroptera families, psychopsids had a wider distribution during the Mesozoic and Tertiary. |
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Much of the Mesozoic Era is represented by exposed outcrops in the many arid regions of the continent. |
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The basement of the region is composed of Paleozoic metamorphosed rocks and Mesozoic ophiolites. |
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The Jurassic Coast consists of Triassic, Jurassic and Cretaceous cliffs, spanning the Mesozoic, documenting 185 million years of geological history. |
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During the Mesozoic and Cenozoic eras, the echinoids flourished. |
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The Mesozoic Lepidosteidae, again, have, at most, biconcave vertebrae, while the existing Lepidosteus has Salamandroid, opisthocoelous, vertebrae. |
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Burchfiel and Chen focus on the evolution of the 14 tectonic units in the region from middle Paleozoic to Recent, with a major emphasis on Mesozoic and Cenozoic time. |
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All of the principal rock types can be seen on the Jurassic Coast of Dorset and East Devon, where they document the entire Mesozoic era from west to east. |
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Wrangel Island consists of folded, faulted, and metamorphosed volcanic, intrusive, and sedimentary rocks ranging in age from Upper Precambrian to Lower Mesozoic. |
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Ultrasound is inaudible to birds and reptiles, which might have been important during the Mesozoic, when birds and reptiles were the dominant predators. |
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The geological substrate of the caatinga is severely eroded crystalline bedrock of the Precambrian Brazilian Shield and Paleozoic and Mesozoic sedimentary basins. |
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One archosaur group, the dinosaurs, were the dominant land vertebrates for the rest of the Mesozoic, and birds evolved from one group of dinosaurs. |
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